samhord2(at)gmail.com
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 Posted: Tue Jan 12, 2010 8:43 am Post subject: Zenith701801-List Digest: 8 Msgs - 01/11/10 |
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Thanks for all your thoughts on this subject. I will probably go with the tubing over the cable and keep a check for wear. The movement of the cables is only about 4.5 in. or so. It probably is not that big of an issue, and they don't have a lot of force against one another for wear. Thanks again to everybody.
Sam
On Mon, Jan 11, 2010 at 11:58 PM, Zenith701801-List Digest Server <zenith701801-list(at)matronics.com (zenith701801-list(at)matronics.com)> wrote:
[quote]*
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� � � � � � � � � � � � � Zenith701801-List Digest Archive
� � � � � � � � � � � � � � � � � � �---
� � � � � � � � � � Total Messages Posted Mon 01/11/10: 8
� � � � � ----------------------------------------------------------
Today's Message Index:
----------------------
� � 1. 06:04 AM - Chat �(George Race)
� � 2. 08:45 AM - Re: Zenith701801-List Digest: 4 Msgs - 01/10/10 �(sam hord)
� � 3. 12:21 PM - Re: Fork tube analysis and prospective stainless steel substitute �(Curt Thompson)
� � 4. 01:35 PM - Re: Re: Zenith701801-List Digest: 4 Msgs - 01/10/10 �(Mark Sherman)
� � 5. 03:52 PM - Re: Fork tube analysis and prospective stainless � � steel substitute �(JG)
� � 6. 04:55 PM - Bungee discussion �(dennkrumm(at)aol.com (dennkrumm(at)aol.com))
� � 7. 06:00 PM - Re: Bungee discussion �(Chris Blackmore)
� � 8. 07:27 PM - Re: Bungee discussion �(Art Gibeaut)
________________________________ �Message 1 �_____________________________________
Time: 06:04:51 AM PST US
From: "George Race" <mykitairplane(at)mrrace.com (mykitairplane(at)mrrace.com)>
Subject: Chat
Live Chat Room every Monday evening around 8:00 EDT
www.mykitairplane.com <blocked::http://www.mykitairplane.com/>
Click on the Chat Room link at the top of the page.
George
________________________________ �Message 2 �_____________________________________
Time: 08:45:11 AM PST US
Subject: Re: Zenith701801-List Digest: 4 Msgs - 01/10/10
From: sam hord <samhord2(at)gmail.com (samhord2(at)gmail.com)>
I have seen the bungee in the plans, but didn't like it. I am going with the
push rod. Thank you for your response. If anybody has gone this route please
let us hear about it.
Sam
On Sun, Jan 10, 2010 at 11:58 PM, Zenith701801-List Digest Server <
zenith701801-list(at)matronics.com (zenith701801-list(at)matronics.com)> wrote:
> *
>
> �========================
> � Online Versions of Today's List Digest Archive
> �========================
>
> Today's complete Zenith701801-List Digest can also be found in either of
> the
> two Web Links listed below. �The .html file includes the Digest formatted
> in HTML for viewing with a web browser and features Hyperlinked Indexes
> and Message Navigation. �The .txt file includes the plain ASCII version
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> editor
> such as Notepad or with a web browser.
>
> HTML Version:
>
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> http://www.matronics.com/digest/digestview.php?Style=82701&View=html&Chapter 10-01-10&Archive=Zenith701801
>
> Text Version:
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>
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> �======================
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> � � � � � ----------------------------------------------------------
> � � � � � � � � � � � � � Zenith701801-List Digest Archive
> � � � � � � � � � � � � � � � � � � �---
> � � � � � � � � � � Total Messages Posted Sun 01/10/10: 4
> � � � � � ----------------------------------------------------------
>
>
> Today's Message Index:
> ----------------------
>
> � � 1. 08:56 AM - Chat �(George Race)
> � � 2. 09:41 AM - Re: Zenith701801-List Digest: 1 Msgs - 01/08/10 �(sam
> hord)
> � � 3. 03:26 PM - Re: Re: Zenith701801-List Digest: 1 Msgs - 01/08/10 �(Art
> Gibeaut)
> � � 4. 09:03 PM - Fork tube analysis and prospective stainless steel
> substitute �(Curt Thompson)
>
>
> ________________________________ �Message 1
> �_____________________________________
>
>
> Time: 08:56:14 AM PST US
> From: "George Race" <mykitairplane(at)mrrace.com (mykitairplane(at)mrrace.com)>
> Subject: Chat
>
> Live Chat Room every Monday evening around 8:00 EDT
>
> www.mykitairplane.com <blocked::http://www.mykitairplane.com/>
>
> Click on the Chat Room link at the top of the page.
> George
>
> ________________________________ �Message 2
> �_____________________________________
>
>
> Time: 09:41:52 AM PST US
> Subject: Re: Zenith701801-List Digest: 1 Msgs - 01/08/10
> From: sam hord <samhord2(at)gmail.com (samhord2(at)gmail.com)>
>
> How are you keeping the elevater cables separated so they do not rub and
> wear?
> Sam
>
> On Fri, Jan 8, 2010 at 11:58 PM, Zenith701801-List Digest Server <
> zenith701801-list(at)matronics.com (zenith701801-list(at)matronics.com)> wrote:
>
> > *
> >
> > �=======================
> > � Online Versions of Today's List Digest Archive
> > �=======================
> >
> > Today's complete Zenith701801-List Digest can also be found in either of
> > the
> > two Web Links listed below. �The .html file includes the Digest formatted
> > in HTML for viewing with a web browser and features Hyperlinked Indexes
> > and Message Navigation. �The .txt file includes the plain ASCII version
> > of the Zenith701801-List Digest and can be viewed with a generic text
> > editor
> > such as Notepad or with a web browser.
> >
> > HTML Version:
> >
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> >
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> >
> > Text Version:
> >
> >
> >
> http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter10-01-08&Archive=Zenith701801
> >
> >
> > �=====================
> > � EMail Version of Today's List Digest Archive
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> >
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> > � � � � � � � � � � � � � Zenith701801-List Digest Archive
> > � � � � � � � � � � � � � � � � � � �---
> > � � � � � � � � � � Total Messages Posted Fri 01/08/10: 1
> > � � � � � ----------------------------------------------------------
> >
> >
> > Today's Message Index:
> > ----------------------
> >
> > � � 1. 07:57 AM - Re: elevator �(Keith Ashcraft)
> >
> >
> > ________________________________ �Message 1
> > �_____________________________________
> >
> >
> > Time: 07:57:53 AM PST US
> > From: Keith Ashcraft <ch701builder(at)yahoo.com (ch701builder(at)yahoo.com)>
> > Subject: Re: elevator
> >
> > Sam, I have seen and think I have a picture or two, but.... I don't know
> > how or
> > where.
> >
> > Keith
> > CH701 -- scratch
> >
> >
> > ________________________________
> > From: sam hord <samhord2(at)gmail.com (samhord2(at)gmail.com)>
> > Sent: Thu, January 7, 2010 5:24:49 PM
> > Subject: elevator
> >
> > Has anybody changed the elevator cables to push rods?
> >
> > Sam
> >
> >
>
> ________________________________ �Message 3
> �_____________________________________
>
>
> Time: 03:26:15 PM PST US
> From: Art Gibeaut <aagibeaut(at)yahoo.com (aagibeaut(at)yahoo.com)>
> Subject: Re: Re: Zenith701801-List Digest: 1 Msgs -
> 01/08/10
>
>
> Zenith uses a bungey on one of the cables attached to the passenger side.
> I'm at
> that stage right now, and several of the guys on this list pointed it out
> to
> me. A picture is in the instructions.
>
> --- On Sun, 1/10/10, sam hord <samhord2(at)gmail.com (samhord2(at)gmail.com)> wrote:
>
> > From: sam hord <samhord2(at)gmail.com (samhord2(at)gmail.com)>
> > Subject: Re: Zenith701801-List Digest: 1 Msgs -
> 01/08/10
> > To: zenith701801-list(at)matronics.com (zenith701801-list(at)matronics.com)
> > Date: Sunday, January 10, 2010, 11:22 AM
> > How are you keeping the elevater cables
> > separated so they do not rub and wear?
> > Sam
> >
> > On Fri, Jan 8, 2010 at 11:58 PM,
> > Zenith701801-List Digest Server <zenith701801-list(at)matronics.com (zenith701801-list(at)matronics.com)>
> > wrote:
> >
> > *
> >
> >
> >
> > =======================
> >
> > � Online Versions of Today's List Digest Archive
> >
> > =======================
> >
> >
> >
> > Today's complete Zenith701801-List Digest can also be
> > found in either of the
> >
> > two Web Links listed below. The .html file includes the
> > Digest formatted
> >
> > in HTML for viewing with a web browser and features
> > Hyperlinked Indexes
> >
> > and Message Navigation. The .txt file includes the plain
> > ASCII version
> >
> > of the Zenith701801-List Digest and can be viewed with a
> > generic text editor
> >
> > such as Notepad or with a web browser.
> >
> >
> >
> > HTML Version:
> >
> >
> >
> >
> http://www.matronics.com/digest/digestview.php?Style=82701&View=html&Chapter10-01-08&Archive=Zenith701801
> >
> >
> >
> >
> > Text Version:
> >
> >
> >
> >
> http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter10-01-08&Archive=Zenith701801
> >
> >
> >
> >
> >
> >
> > =====================
> >
> > � EMail Version of Today's List Digest Archive
> >
> > =====================
> >
> >
> >
> >
> >
> >
> > ----------------------------------------------------------
> >
> > � � � � � � � Zenith701801-List
> > Digest Archive
> >
> >
> > ---
> >
> > � � � � � �Total Messages Posted Fri
> > 01/08/10: 1
> >
> >
> > ----------------------------------------------------------
> >
> >
> >
> >
> >
> > Today's Message Index:
> >
> > ----------------------
> >
> >
> >
> > � �1. 07:57 AM - Re: elevator (Keith Ashcraft)
> >
> >
> >
> >
> >
> >
> >
> > ________________________________ Message 1
> > _____________________________________
> >
> >
> >
> >
> >
> > Time: 07:57:53 AM PST US
> >
> > From: Keith Ashcraft <ch701builder(at)yahoo.com (ch701builder(at)yahoo.com)>
> >
> > Subject: Re: elevator
> >
> >
> >
> > Sam, I have seen and think I have a picture or two, but....
> > I don't know how or
> >
> > where.
> >
> >
> >
> > Keith
> >
> > CH701 -- scratch
> >
> >
> >
> >
> >
> > ________________________________
> >
> > From: sam hord <samhord2(at)gmail.com (samhord2(at)gmail.com)>
> >
> > Sent: Thu, January 7, 2010 5:24:49 PM
> >
> > Subject: elevator
> >
> >
> >
> > Has anybody changed the elevator cables to push rods?
> >
> >
> >
> > Sam
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > =========
> >
> > -List"
> > target="_blank">http://www.matronics.com/Navigator?Zenith701801-List
> >
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> >
> > ="_blank">http://www.matronics.com/contribution
> >
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> >
> >
> >
>
>
> ________________________________ �Message 4
> �_____________________________________
>
>
> Time: 09:03:42 PM PST US
> From: "Curt Thompson" <Curt.Thompson(at)verizon.net (Curt.Thompson(at)verizon.net)>
> Subject: Fork tube analysis and prospective stainless
> steel
> substitute
>
> On my plans built CH701, I have been polishing a few of the parts like the
> landing gear and front fork. �I was wondering if I could replace the front
> fork tube with stainless steel parts and get a similar look. �I would need
> to make sure that the replacement had the same strength as the original.
> So, with the help of my son, we did a SolidWorks analysis of a 4130N tube,
> 2
> inch diameter, 21 inches long with a 0.065" wall. �The top is solidly
> anchored and a force is applied horizontally at the bottom. �Here is a link
> of the simulation video that SolidWorks made:
>
>
> http://www.youtube.com/watch?v=w8uamuysV_8
>
>
> The video ends when the fork tube fails. �It took a force of 540 lbs. �As
> you can see, the tube bent a lot before it failed. �If you make the fork
> tube stronger you are likely to move the loads elsewhere and it will break
> somewhere else.
>
>
> One thing comes to mind here, if you bend the front axle and lock up the
> wheel you are going to see a lot more than 540lbs. � �There was a picture
> on
> this list over a year ago that showed a bent fork tube after what was
> claimed to be a normal landing. �I don't know how common this problem
> actually is.
>
>
> We substituted the fork tube with T-316L stainless steel in the simulation.
> It took a wall thickness of 0.250" before we arrived at a similar result.
> Since that would make the fork tube about four times as heavy, I have
> decided to stay with the 4130N of the plans. �I may go up one notch in
> thickness of 4130N though. �I might also replace the front axle with a
> solid
> shaft. �On the shaft I have now, I machined bushings and welded them in
> place.
>
>
> Curt Thompson
>
> Redmond, WA, USA
>
>
________________________________ �Message 3 �_____________________________________
Time: 12:21:48 PM PST US
From: "Curt Thompson" <Curt.Thompson(at)verizon.net (Curt.Thompson(at)verizon.net)>
Subject: RE: Fork tube analysis and prospective stainless �steel
substitute
Here is a link to the previous thread that has pictures of how the fork tube
bent.
http://forums.matronics.com/viewtopic.php?t=56639
<http://forums.matronics.com/viewtopic.php?t=56639&highlight=weak+701+nose+g
ear> &highlight=weak+701+nose+gear
Curt
________________________________ �Message 4 �_____________________________________
Time: 01:35:16 PM PST US
From: "Mark Sherman" <n752ms(at)softcom.net (n752ms(at)softcom.net)>
Subject: Re: Re: Zenith701801-List Digest: 4 Msgs - 01/10/10
Sam.
I you are going to use pushrods you will need to change the geometry of
the elevator bell crank. �The cables get looser and tighter depending on
the aileron position. �That is the reason for the bungee cord, to take
up the slack.
Mark S.
701/912ULS
80 HRS
�---
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