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mojavjoe(at)comcast.net
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 Posted: Sun Dec 22, 2013 11:57 am Post subject: help with newly purchased firestar II |
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hi
I recently purchased the firestar II resurrected in 2011 by Daryl Miller. I have a few issues I hope you can help me with.
1. I can't park the 2 bladed prop in the horizontal position and fold the wings. With the wings folded the three inch prop extension puts the bottom of the blade two inches below the top of the aileron tube. I've been on the web and found a few blogs from the 90's that described raising the front and/or back of a 503 but when I tried to go back I couldn't find then. I've brought up pictures of Kolbs and in some of them the Rotex's were raised to what appears to be two to three inches on standoffs above the engine mounts. I don't want to go to the expense of a three bladed prop and moving the prop will lower the roof of the trailer/hanger I'm building twenty inches.
2. I'm planning to do a new weight an balance and the only information I can find is for the firestar in which the formula for % C.G. is h x 100/64, h being resultant distance. In figuring the w & b for the firestar II Daryl Miller apparently used a divisor of 61. Which is correct?
3. The designation is experimental exhibition, what is necessary to change it to experimental light sport.
4. The plane has no brakes. I'm looking at small motorcycle disk brakes, any suggestions.
5. Could someone give me a description, measurements, and possibly plans for the hoop just behind the nosecone I've seen on several kolbs. Are they made of aluminum or steel.
6. My aileron is attached to the wing with a piano hinge. I read in an aviation monthly that an aileron seal was recommended. Do I need them, if so what do they look like, how do I make them, and how do I attach them.
I appreciate any help and thank you in advance
mojavjoe
[quote][b]
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neilsenrm(at)gmail.com
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| Posted: Sun Dec 22, 2013 7:59 pm Post subject: help with newly purchased firestar II |
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mojavjoe
I have a Kolb MKIII so my knowledge is a bit limited on a firestar II.
1. Most Kolbs have a high thrust line that causes pitch changes with throttle changes. Our planes fly best with lowest possible thrust lines. I was the first to put a VW on a mkIII, the initial thrust line was so high that it was dangerous to fly. Raising the engine will reduce performance and increase pitch changes with changes of throttle. None of this is good so consider this change carefully.
5. Most Kolbs don't need the protective hoop. Just keep the stick back below 10MPH and don't go for full throttle until after you get moving.
6. Gap seals are in the plans for all Kolbs. The instructions call for fabric glued from the bottom of one tube to the top of the other tube ( don't remember which). Just don't restrict the aileron movement from stop to stop and when folding. Most people don't install the seals over the hinges. Some people have used book binding tape with great success. The worst performing Kolb I ever saw didn't have gap seals. The plane's builder doesn't think the seals are important. The lack of seals wasn't the only reason for the horrible performance but it was part of it.
How bad is horrible? The plane is a MKIIIC with a 582. They were at gross weight on a 80 degree day. the strip is at 850 asl. The plane took every inch of my 1400 foot grass strip to clear the ground that is with the last half of the strip descending 30'. Then a half mile off the end of my strip they had to turn to miss a line of 20 foot trees. Let me very clear here this VERY unkolb like.
As usual worth what you paid for it.
Rick Neilsen
Redrive VW powered MKIIIC
On Sun, Dec 22, 2013 at 2:56 PM, <mojavjoe(at)comcast.net (mojavjoe(at)comcast.net)> wrote:
[quote]
hi
I recently purchased the firestar II resurrected in 2011 by Daryl Miller. I have a few issues I hope you can help me with.
1. I can't park the 2 bladed prop in the horizontal position and fold the wings. With the wings folded the three inch prop extension puts the bottom of the blade two inches below the top of the aileron tube. I've been on the web and found a few blogs from the 90's that described raising the front and/or back of a 503 but when I tried to go back I couldn't find then. I've brought up pictures of Kolbs and in some of them the Rotex's were raised to what appears to be two to three inches on standoffs above the engine mounts. I don't want to go to the expense of a three bladed prop and moving the prop will lower the roof of the trailer/hanger I'm building twenty inches.
2. I'm planning to do a new weight an balance and the only information I can find is for the firestar in which the formula for % C.G. is h x 100/64, h being resultant distance. In figuring the w & b for the firestar II Daryl Miller apparently used a divisor of 61. Which is correct?
3. The designation is experimental exhibition, what is necessary to change it to experimental light sport.
4. The plane has no brakes. I'm looking at small motorcycle disk brakes, any suggestions.
5. Could someone give me a description, measurements, and possibly plans for the hoop just behind the nosecone I've seen on several kolbs. Are they made of aluminum or steel.
6. My aileron is attached to the wing with a piano hinge. I read in an aviation monthly that an aileron seal was recommended. Do I need them, if so what do they look like, how do I make them, and how do I attach them.
I appreciate any help and thank you in advance
mojavjoe
| Quote: |
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
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[b]
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http://www.matronics.com/Navigator?Kolb-List |
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mojavjoe(at)comcast.net
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| Posted: Mon Dec 23, 2013 5:44 am Post subject: help with newly purchased firestar II |
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From: "Rick Neilsen" <neilsenrm(at)gmail.com>
To: kolb-list(at)matronics.com
Sent: Sunday, December 22, 2013 10:59:22 PM
Subject: Re: help with newly purchased firestar II
mojavjoe
I have a Kolb MKIII so my knowledge is a bit limited on a firestar II.
1. Most Kolbs have a high thrust line that causes pitch changes with throttle changes. Our planes fly best with lowest possible thrust lines. I was the first to put a VW on a mkIII, the initial thrust line was so high that it was dangerous to fly. Raising the engine will reduce performance and increase pitch changes with changes of throttle. None of this is good so consider this change carefully.
5. Most Kolbs don't need the protective hoop. Just keep the stick back below 10MPH and don't go for full throttle until after you get moving.
6. Gap seals are in the plans for all Kolbs. The instructions call for fabric glued from the bottom of one tube to the top of the other tube ( don't remember which). Just don't restrict the aileron movement from stop to stop and when folding. Most people don't install the seals over the hinges. Some people have used book binding tape with great success. The worst performing Kolb I ever saw didn't have gap seals. The plane's builder doesn't think the seals are important. The lack of seals wasn't the only reason for the horrible performance but it was part of it.
How bad is horrible? The plane is a MKIIIC with a 582. They were at gross weight on a 80 degree day. the strip is at 850 asl. The plane took every inch of my 1400 foot grass strip to clear the ground that is with the last half of the strip descending 30'. Then a half mile off the end of my strip they had to turn to miss a line of 20 foot trees. Let me very clear here this VERY unkolb like.
As usual worth what you paid for it.
Rick Neilsen
Redrive VW powered MKIIIC
Thanks Rick
I now understand the gap seal but that method won't work in the area where I have piano hinge. The article I mentioned recommended gorrala tape,so I'll fill in the area between the aileron and the control arm
On Sun, Dec 22, 2013 at 2:56 PM, <mojavjoe(at)comcast.net (mojavjoe(at)comcast.net)> wrote:
| Quote: |
hi
I recently purchased the firestar II resurrected in 2011 by Daryl Miller. I have a few issues I hope you can help me with.
1. I can't park the 2 bladed prop in the horizontal position and fold the wings. With the wings folded the three inch prop extension puts the bottom of the blade two inches below the top of the aileron tube. I've been on the web and found a few blogs from the 90's that described raising the front and/or back of a 503 but when I tried to go back I couldn't find then. I've brought up pictures of Kolbs and in some of them the Rotex's were raised to what appears to be two to three inches on standoffs above the engine mounts. I don't want to go to the expense of a three bladed prop and moving the prop will lower the roof of the trailer/hanger I'm building twenty inches.
2. I'm planning to do a new weight an balance and the only information I can find is for the firestar in which the formula for % C.G. is h x 100/64, h being resultant distance. In figuring the w & b for the firestar II Daryl Miller apparently used a divisor of 61. Which is correct?
3. The designation is experimental exhibition, what is necessary to change it to experimental light sport.
4. The plane has no brakes. I'm looking at small motorcycle disk brakes, any suggestions.
5. Could someone give me a description, measurements, and possibly plans for the hoop just behind the nosecone I've seen on several kolbs. Are they made of aluminum or steel.
6. My aileron is attached to the wing with a piano hinge. I read in an aviation monthly that an aileron seal was recommended. Do I need them, if so what do they look like, how do I make them, and how do I attach them.
I appreciate any help and thank you in advance
mojavjoe
| Quote: |
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
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[quote][b]
| | - The Matronics Kolb-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Kolb-List |
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neilsenrm(at)gmail.com
Guest
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| Posted: Mon Dec 23, 2013 6:33 am Post subject: help with newly purchased firestar II |
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mojavjoe
The idea is to stop air flow in the area between the aileron and the control arm. Anything that safely does this is fine. I have seen the book binding tape installed and it looks great. The piano hinge reduces air flow so most people don't put it there. I didn't use the tape method but I'm told you install it in two layers sticky side to sticky side to keep dirt and other crap from sticking to the unused adhesive.
Rick Neilsen
Redrive VW Powered MKIIIC
On Mon, Dec 23, 2013 at 8:44 AM, <mojavjoe(at)comcast.net (mojavjoe(at)comcast.net)> wrote:
[quote]
From: "Rick Neilsen" <neilsenrm(at)gmail.com (neilsenrm(at)gmail.com)>
To: kolb-list(at)matronics.com (kolb-list(at)matronics.com)
Sent: Sunday, December 22, 2013 10:59:22 PM
Subject: Re: help with newly purchased firestar II
mojavjoe
I have a Kolb MKIII so my knowledge is a bit limited on a firestar II.
1. Most Kolbs have a high thrust line that causes pitch changes with throttle changes. Our planes fly best with lowest possible thrust lines. I was the first to put a VW on a mkIII, the initial thrust line was so high that it was dangerous to fly. Raising the engine will reduce performance and increase pitch changes with changes of throttle. None of this is good so consider this change carefully.
5. Most Kolbs don't need the protective hoop. Just keep the stick back below 10MPH and don't go for full throttle until after you get moving.
6. Gap seals are in the plans for all Kolbs. The instructions call for fabric glued from the bottom of one tube to the top of the other tube ( don't remember which). Just don't restrict the aileron movement from stop to stop and when folding. Most people don't install the seals over the hinges. Some people have used book binding tape with great success. The worst performing Kolb I ever saw didn't have gap seals. The plane's builder doesn't think the seals are important. The lack of seals wasn't the only reason for the horrible performance but it was part of it.
How bad is horrible? The plane is a MKIIIC with a 582. They were at gross weight on a 80 degree day. the strip is at 850 asl. The plane took every inch of my 1400 foot grass strip to clear the ground that is with the last half of the strip descending 30'. Then a half mile off the end of my strip they had to turn to miss a line of 20 foot trees. Let me very clear here this VERY unkolb like.
As usual worth what you paid for it.
Rick Neilsen
Redrive VW powered MKIIIC
Thanks Rick
I now understand the gap seal but that method won't work in the area where I have piano hinge. The article I mentioned recommended gorrala tape,so I'll fill in the area between the aileron and the control arm
On Sun, Dec 22, 2013 at 2:56 PM, <mojavjoe(at)comcast.net (mojavjoe(at)comcast.net)> wrote:
| Quote: |
hi
I recently purchased the firestar II resurrected in 2011 by Daryl Miller. I have a few issues I hope you can help me with.
1. I can't park the 2 bladed prop in the horizontal position and fold the wings. With the wings folded the three inch prop extension puts the bottom of the blade two inches below the top of the aileron tube. I've been on the web and found a few blogs from the 90's that described raising the front and/or back of a 503 but when I tried to go back I couldn't find then. I've brought up pictures of Kolbs and in some of them the Rotex's were raised to what appears to be two to three inches on standoffs above the engine mounts. I don't want to go to the expense of a three bladed prop and moving the prop will lower the roof of the trailer/hanger I'm building twenty inches.
2. I'm planning to do a new weight an balance and the only information I can find is for the firestar in which the formula for % C.G. is h x 100/64, h being resultant distance. In figuring the w & b for the firestar II Daryl Miller apparently used a divisor of 61. Which is correct?
3. The designation is experimental exhibition, what is necessary to change it to experimental light sport.
4. The plane has no brakes. I'm looking at small motorcycle disk brakes, any suggestions.
5. Could someone give me a description, measurements, and possibly plans for the hoop just behind the nosecone I've seen on several kolbs. Are they made of aluminum or steel.
6. My aileron is attached to the wing with a piano hinge. I read in an aviation monthly that an aileron seal was recommended. Do I need them, if so what do they look like, how do I make them, and how do I attach them.
I appreciate any help and thank you in advance
mojavjoe
| Quote: |
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
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| Quote: |
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
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[b]
| | - The Matronics Kolb-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Kolb-List |
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| Back to top |
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ceengland7(at)gmail.com
Guest
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| Posted: Mon Dec 23, 2013 7:55 am Post subject: help with newly purchased firestar II |
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The chances of getting it out of experimental exhibition in to any other cert. category are slim to none. Sounds like the owner missed the deadline on taking a 'fat' ultralite into exp.-light sport, & the FSDO gave him the only legal option left: exp. exhibition. The only big downside to exhibition category is needing an A&P to do your annual. There used to be big restrictions to cross-country flight: 300 mile radius for 'proficiency flying', with landings only at the base airport, and cross countries only for the purpose of exhibiting or demonstrating. I have a vague memory of those restrictions being lifted recently, but I've been unable to find anything in print to verify that.
Charlie
On 12/23/2013 8:32 AM, Rick Neilsen wrote:
[quote] mojavjoe
The idea is to stop air flow in the area between the aileron and the control arm. Anything that safely does this is fine. I have seen the book binding tape installed and it looks great. The piano hinge reduces air flow so most people don't put it there. I didn't use the tape method but I'm told you install it in two layers sticky side to sticky side to keep dirt and other crap from sticking to the unused adhesive.
Rick Neilsen
Redrive VW Powered MKIIIC
On Mon, Dec 23, 2013 at 8:44 AM, <mojavjoe(at)comcast.net (mojavjoe(at)comcast.net)> wrote:
| Quote: |
From: "Rick Neilsen" <neilsenrm(at)gmail.com (neilsenrm(at)gmail.com)>
To: kolb-list(at)matronics.com (kolb-list(at)matronics.com)
Sent: Sunday, December 22, 2013 10:59:22 PM
Subject: Re: help with newly purchased firestar II
mojavjoe
I have a Kolb MKIII so my knowledge is a bit limited on a firestar II.
1. Most Kolbs have a high thrust line that causes pitch changes with throttle changes. Our planes fly best with lowest possible thrust lines. I was the first to put a VW on a mkIII, the initial thrust line was so high that it was dangerous to fly. Raising the engine will reduce performance and increase pitch changes with changes of throttle. None of this is good so consider this change carefully.
5. Most Kolbs don't need the protective hoop. Just keep the stick back below 10MPH and don't go for full throttle until after you get moving.
6. Gap seals are in the plans for all Kolbs. The instructions call for fabric glued from the bottom of one tube to the top of the other tube ( don't remember which). Just don't restrict the aileron movement from stop to stop and when folding. Most people don't install the seals over the hinges. Some people have used book binding tape with great success. The worst performing Kolb I ever saw didn't have gap seals. The plane's builder doesn't think the seals are important. The lack of seals wasn't the only reason for the horrible performance but it was part of it.
How bad is horrible? The plane is a MKIIIC with a 582. They were at gross weight on a 80 degree day. the strip is at 850 asl. The plane took every inch of my 1400 foot grass strip to clear the ground that is with the last half of the strip descending 30'. Then a half mile off the end of my strip they had to turn to miss a line of 20 foot trees. Let me very clear here this VERY unkolb like.
As usual worth what you paid for it.
Rick Neilsen
Redrive VW powered MKIIIC
Thanks Rick
I now understand the gap seal but that method won't work in the area where I have piano hinge. The article I mentioned recommended gorrala tape,so I'll fill in the area between the aileron and the control arm
On Sun, Dec 22, 2013 at 2:56 PM, <mojavjoe(at)comcast.net (mojavjoe(at)comcast.net)> wrote:
| Quote: |
hi
I recently purchased the firestar II resurrected in 2011 by Daryl Miller. I have a few issues I hope you can help me with.
1. I can't park the 2 bladed prop in the horizontal position and fold the wings. With the wings folded the three inch prop extension puts the bottom of the blade two inches below the top of the aileron tube. I've been on the web and found a few blogs from the 90's that described raising the front and/or back of a 503 but when I tried to go back I couldn't find then. I've brought up pictures of Kolbs and in some of them the Rotex's were raised to what appears to be two to three inches on standoffs above the engine mounts. I don't want to go to the expense of a three bladed prop and moving the prop will lower the roof of the trailer/hanger I'm building twenty inches.
2. I'm planning to do a new weight an balance and the only information I can find is for the firestar in which the formula for % C.G. is h x 100/64, h being resultant distance. In figuring the w & b for the firestar II Daryl Miller apparently used a divisor of 61. Which is correct?
3. The designation is experimental exhibition, what is necessary to change it to experimental light sport.
4. The plane has no brakes. I'm looking at small motorcycle disk brakes, any suggestions.
5. Could someone give me a description, measurements, and possibly plans for the hoop just behind the nosecone I've seen on several kolbs. Are they made of aluminum or steel.
6. My aileron is attached to the wing with a piano hinge. I read in an aviation monthly that an aileron seal was recommended. Do I need them, if so what do they look like, how do I make them, and how do I attach them.
I appreciate any help and thank you in advance
mojavjoe
|
|
[b]
| | - The Matronics Kolb-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Kolb-List |
|
|
|
| Back to top |
|
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pcarillonsr(at)neo.rr.com
Guest
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| Posted: Mon Dec 23, 2013 8:34 am Post subject: help with newly purchased firestar II |
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|
On 12/22/2013 2:56 PM, mojavjoe(at)comcast.net (mojavjoe(at)comcast.net) wrote:
[quote] Â
 hi
Â
I recently purchased the firestar II resurrected in 2011 by Daryl Miller. I have a few issues I hope you can help me with.
Â
1. I can't park the 2 bladed prop in the horizontal position and fold the wings. With the wings folded the three inch prop extension puts the bottom of the blade two inches below the top of the aileron tube. I've been on the web and found a few blogs from the 90's that described raising the front and/or back of a 503 but when I tried to go back I couldn't find then. I've brought up pictures of Kolbs and in some of them the Rotex's were raised to what appears to be two to three inches on standoffs above the engine mounts. I don't want to go to the expense of a three bladed prop and moving the prop will lower the roof of the trailer/hanger I'm building twenty inches.
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 It would be helpful if you could post a couple of pics to get an idea of how the 503 is mounted .  Could be in the motor mounts. I have a FS II with a 503 B-BOX built to plans. I have a 3 blade prop and 3inch extension and I could run as a 2 blade and still clear. Has to be something with engine install to me. Never heard of this problem before on the list .Â
Jack Carillon " 94" Â FS IIÂ 503 DCDI B-box
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agramjak(at)gmail.com
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| Posted: Mon Dec 23, 2013 8:42 am Post subject: help with newly purchased firestar II |
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I have a firestar II with a 503, 2 blade prop and the prop rests on the aileron tubes when the wings are folded. Not my favorite thing, but the airplane is kept in a hangar without the wings folded, so it is not really an issue with me.
On Mon, Dec 23, 2013 at 10:34 AM, Jack <pcarillonsr(at)neo.rr.com (pcarillonsr(at)neo.rr.com)> wrote:
[quote] On 12/22/2013 2:56 PM, mojavjoe(at)comcast.net (mojavjoe(at)comcast.net) wrote:
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hi
I recently purchased the firestar II resurrected in 2011 by Daryl Miller. I have a few issues I hope you can help me with.
1. I can't park the 2 bladed prop in the horizontal position and fold the wings. With the wings folded the three inch prop extension puts the bottom of the blade two inches below the top of the aileron tube. I've been on the web and found a few blogs from the 90's that described raising the front and/or back of a 503 but when I tried to go back I couldn't find then. I've brought up pictures of Kolbs and in some of them the Rotex's were raised to what appears to be two to three inches on standoffs above the engine mounts. I don't want to go to the expense of a three bladed prop and moving the prop will lower the roof of the trailer/hanger I'm building twenty inches.
It would be helpful if you could post a couple of pics to get an idea of how the 503 is mounted . Could be in the motor mounts. I have a FS II with a 503 B-BOX built to plans. I have a 3 blade prop and 3inch extension and I could run as a 2 blade and still clear. Has to be something with engine install to me. Never heard of this problem before on the list .
Jack Carillon " 94" FS II 503 DCDI B-box
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racerjerry
Joined: 15 Dec 2009
Posts: 202
Location: Deer Park, NY
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| Posted: Mon Dec 23, 2013 9:00 am Post subject: Re: help with newly purchased firestar II |
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61 vs 64 Question:
This number represents the wing chord measurement including flaperon. Measure yours. Mine was closer to 63. At this step in the calculations, you are merely calculating the center of gravity distance as a percentage back from the leading edge of the wing.
Do you have the Kolb plans and Builders Manual? Don’t forget that weight measurements are made with pilot in cockpit (kinda’ hard to do by yourself). There will be a significant change in center of gravity point between pilots of different weight.
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