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Matt Dralle
Site Admin
Joined: 08 Nov 2005
Posts: 26321
Location: Livermore CA USA
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 Posted: Fri Sep 18, 2009 7:58 pm Post subject: CB-1002-H Governor Bracket Installation Photos...? |
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Dear Listers,
Van's turned me on to a bracket for the RV-10 called the CB-1002-H which is a bracket for mounting the governor control cable on front mounted governors.
Does anyone have some good pictures of how this bracket is installed? Maybe even a scan of the baffling installation OP sheet where the RV-10 baffling is described?
Since the IO-390 has a front mounted governor similar to the IO-540 used on the RV-10, some of these baffling pieces seem to work.
Any docs you could provide would be most appreciated!
Matt Dralle
RV-8 #82880 N998RV
http://www.mattsrv8.com - Matt's RV-8 Construction Blog
Engine Baffling...
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wgill10(at)comcast.net
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| Posted: Fri Sep 18, 2009 9:26 pm Post subject: CB-1002-H Governor Bracket Installation Photos...? |
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Hello Matt,
I didn't use this bracket...made my own. If interested, Go to Marc's site (www.IO-390.com) and see what I did for the governor bracket and front baffles for the front mounted governor pad. Additionally, I could send some higher resolution pictures...just let me know. I have NEVER had any high temp issues...a very fast airplane as well.
FAB Air box: http://www.io-390.com/IO-390.com/AFP_Servo.html
Prop Gov Cable/bracket: http://www.io-390.com/IO-390.com/Prop_Gov.html
Baffles: http://www.io-390.com/IO-390.com/Baffles_2.html
Good luck,
Bill
RV-7 N151WP
BPE IO-390 w/AFP
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Matt Dralle
Site Admin
Joined: 08 Nov 2005
Posts: 26321
Location: Livermore CA USA
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| Posted: Sat Sep 19, 2009 9:24 am Post subject: Re: CB-1002-H Governor Bracket Installation Photos...? |
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Hi Bill,
Do you have a 3D drawing of the bracket you made? Why did you choose steel instead of aluminum?
Your governor looks a lot shorter than the McCauley. Do you have a 3D drawing of it, by chance? What is the exact model number? What's the height from the boss to the control arm? Where'd you get it from?
Thanks!
Matt Dralle
RV-8 #82880 N998RV
http://www.mattsrv8.com
| | - The Matronics RV7-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:
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Matt Dralle
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Matt Dralle
Site Admin
Joined: 08 Nov 2005
Posts: 26321
Location: Livermore CA USA
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| Posted: Sun Sep 20, 2009 8:53 am Post subject: CB-1002-H Governor Bracket Installation Photos...? |
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Thank you for the info, Bill.
Looks like the McCauley governor is over 1" taller than the PCU5000. That would explain why I've been having issues with interference with the intake. I came up with a bracket yesterday after 5 tries that seems to work pretty well. On the good side, I'm now getting full throw on the governor and there is no binding whatsoever. In fact, its so free that the spring always pulls it to High RPM setting if I don't have the drag-lock on the throttle quadrant at least a little tight. Both of these are improvements over the Van's bracket. On the downside, the pushrod is just barely clearing the intake's upper inboard corner. I haven't actually mounted the intake yet, so its still too soon to tell the full impact.
Speaking of the intake, when I push it into place, its bumping into the main mounting screw busing on the alternator. I've got the standard 60a internally regulated unit from Van's. I'm estimating that I'm going to have to put about a 1/4" deep "channel" into the top right side of the fiberglass intake to get it to fit up onto the throttle body. I wonder what impact that will have on the designed "airflow" of the intake...? There is also a strut that came with the alternator that goes from the front of the alternator bracket to a mounting ear on the starter. There's no way this will fit on with the fiberglass intake in place. I wonder if I can leave it off? I've got the Skytec Inline starter and I already had to cut one of the unused lower mounting ears off of it because it completely interfered with the intake.
Man, there sure are a lot of "issues" getting the front part of this IO-390 installed... Is it really that much different in the front than the IO-360? I've read a couple of places where the IO-390 is "a bolt in replacement for the IO-360". Well, yeah, it bolts on, but the front mounted governor and slightly different placement of the alternator and starter make for a lot of custom modifications. Buyer beware.
I'll post some pictures of my governor bracket later today if I decide its really going to work.
Matt Dralle
RV-8 #82880 N998RV
http://www.mattsrv8.com
FWF Baffling and Intake...
At 06:46 PM 9/19/2009 Saturday, you wrote:
[quote]Hello Matt,
The dimensions are indicated in the in the link below. It took three attempts to get the correct prop governor drive ratio and you can certainly use my name to get specs from the latest unit they shipped to me -- excellent folks to deal with. I purchased the governor from Aero Technoligies for $1235...will provide a scanned invoice detailing P/N & S/N, if interested. A friend with a recently first-light RV-7A (BPE 390) purchased a governor from same source (& price) -- no issues whatsoever using.
<http://www.pcu5000.com/pcu5000x_spec.pdf>http://www.pcu5000.com/pcu5000x_spec.pdf
As for using stainless steel bracket...it was the strongest with the least weight and no drawing was produced. It was trial & error method when it came to deciding where to drill the holes -- will explain further should you wish to discuss...913-271-0988.
I hope you found the info on Marc's site helpfull as he really hopes that the info will be helpful to other 390 owners. BTW, I really love this engine...very smooth, powerful and FAST. You will be very happy. Allen has several hours in my plane and hopefully provided his experience.
Have a great weekend,
Bill
---
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N81JG(at)aol.com
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| Posted: Sun Sep 20, 2009 4:10 pm Post subject: CB-1002-H Governor Bracket Installation Photos...? |
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Hi Matt,
I have an RV7A with an IO360, 200 hp, angle valve engine flying since Aug. 2008 with 160 hrs. We had to put slight indentations in the fiberglass intake to clear the alternator bracket and starter. It doesn't seem to restrict the intake. There is plenty of plenum space in that intake to convert some of the ram air into compress air and increase the manifold pressure slightly. I also used the 13 row oil cooler and that seems to cool the oil well though a steep climb at less than 100 kts. will send the OT to 225 or above in the summer here in Redding. Lowering the nose and climbing at 120-130 kts. cools it off. Cruise OT is 198 degrees F. at 60-70 degrees OAT. Winter it's closer to 175 degrees F.
I mounted my oil cooler on the firewall and engine mount, with angle al brackets held by Adel clamps on the engine mount behind left rear cylinder. The firewall end is held on al. angle supported by a beefed up area of firewall attached to the angled al. on the cockpit side. It is fed by two 2.5 " SCAT hoses from the R and L baffling into an al. plenum mounted on top of the cooler blowing downward. The cooler is close to horizontal. The location is about the only place I could fit it.
John Greaves
Redding, CA
RV7A and VariEze
In a message dated 9/20/2009 9:56:23 A.M. Pacific Daylight Time, dralle(at)matronics.com writes:
| Quote: | --> RV7-List message posted by: Matt Dralle <dralle(at)matronics.com>
Thank you for the info, Bill.
Looks like the McCauley governor is over 1" taller than the PCU5000. That would explain why I've been having issues with interference with the intake. I came up with a bracket yesterday after 5 tries that seems to work pretty well. On the good side, I'm now getting full throw on the governor and there is no binding whatsoever. In fact, its so free that the spring always pulls it to High RPM setting if I don't have the drag-lock on the throttle quadrant at least a little tight. Both of these are improvements over the Van's bracket. On the downside, the pushrod is just barely clearing the intake's upper inboard corner. I haven't actually mounted the intake yet, so its still too soon to tell the full impact.
Speaking of the intake, when I push it into place, its bumping into the main mounting screw busing on the alternator. I've got the standard 60a internally regulated unit from Van's. I'm estimating that I'm going to have to put about a 1/4" deep "channel" into the top right side of the fiberglass intake to get it to fit up onto the throttle body. I wonder what impact that will have on the designed "airflow" of the intake...? There is also a strut that came with the alternator that goes from the front of the alternator bracket to a mounting ear on the starter. There's no way this will fit on with the fiberglass intake in place. I wonder if I can leave it off? I've got the Skytec Inline starter and I already had to cut one of the unused lower mounting ears off of it because it completely interfered with the intake.
Man, there sure are a lot of "issues" getting the front part of this IO-390 installed... Is it really that much different in the front than the IO-360? I've read a couple of places where the IO-390 is "a bolt in replacement for the IO-360". Well, yeah, it bolts on, but the front mounted governor and slightly different placement of the alternator and starter make for a lot of custom modifications. Buyer beware.
I'll post some pictures of my governor bracket later today if I decide its really going to work.
Matt Dralle
RV-8 #82880 N998RV
http://www.mattsrv8.com
FWF Baffling and Intake...
At 06:46 PM 9/19/2009 Saturday, you wrote:
| Quote: | Hello Matt,
The dimensions are indicated in the in the link below. It took three attempts to get the correct prop governor drive ratio and you can certainly use my name to get specs from the latest unit they shipped to me -- excellent folks to deal with. I purchased the governor from Aero Technoligies for $1235...will provide a scanned invoice detailing P/N & S/N, if interested. A friend with a recently first-light RV-7A (BPE 390) purchased a governor from same source (& price) -- no issues whatsoever using.
<http://www.pcu5000.com/pcu5000x_spec.pdf>http://www.pcu5000.com/pcu5000x_spec.pdf
As for using stainless steel bracket...it was the strongest with the least weight and no drawing was produced. It was trial & error method when it came to deciding where to drill the holes -- will explain further should you wish to discuss...913-271-0988.
I hope you found the info on Marc's site helpfull as he really hopes that the info will be helpful to other 390 owners. BTW, I really love this engine...very smooth, powerful and FAST. You will be very happy. Allen has several hours in my plane and hopefully provided his experience.
Have a great weekend,
Bill
----- Original Message -----
From: "Matt Dralle" <dralle(at)matronics.com>
To: rv7-list(at)matronics.com
Sent: Saturday, September 19, 2009 12:24:29 PM GMT -06:00 US/Canada Central
Subject: Re: CB-1002-H Governor Bracket Installation Photos...?
--> RV7-List message posted by: "Matt Dralle" <dralle(at)matronics.com>
Hi Bill,
Do you have a 3D drawing of the bracket you made? Why did you choose steel instead of aluminum?
Your governor looks a lot shorter than the McCauley. Do you have a 3D drawing of it, by chance? What is the exact model number? What's the height from the boss to the control arm? Where'd you get it from?
Thanks!
Matt Dralle
RV-8 #82880 N998RV
http://www.mattsrv8.com
wgill10(at)comcast.net wrote:
> Hello Matt,
>
> I didn't use this bracket...made my own. If interested, Go to Marc's site (www.IO-390.com (http://www.IO-390.com)) and see what I did for the governor bracket and front baffles for the front mounted governor pad. Additionally, I could send some higher resolution pictures...just let me know. I have NEVER had any high temp issues...a very fast airplane as well.
>
> FAB Air box: http://www.io-390.com/IO-390.com/AFP_Servo.html (http://www.io-390.com/IO-390.com/AFP_Servo.html)
> Prop Gov Cable/bracket: http://www.io-390.com/IO-390.com/Prop_Gov.html (http://www.io-390.com/IO-390.com/Prop_Gov.html)
> Baffles: http://www.io-390.com/IO-390.com/Baffles_2.html (http://www.io-390.com/IO-390.com/Baffles_2.html)
>
> Good luck,
>
> Bill
> RV-7 N151WP
> BPE IO-390 w/AFP
>
>
> ======================== e ties Day ================================================ - MATRONICS WEB FORUMS ================================================ - List Contribution Web Site sp; ===================================================
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