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Martin Pohl
Joined: 30 Jan 2006
Posts: 118
Location: CH-8645 Jona SG, Switzerland
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 Posted: Thu Aug 27, 2009 6:04 am Post subject: Choke cable and Rotax 912 |
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Hello everybody!
I just installed the choke bowden cables on my CH601XL with Rotax 912. Although the bowden cables seem to have very little friction and the minimum bend radius of the cables is more than 6 inches, it is very very hard to pull the choke control (in my opinion way to much force required).
Did anybody else experience the same problem?
I installed the choke cable according to plans.
Cheers Martin
XL QBK
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Martin Pohl
Zodiac XL QBK
8645 Jona, Switzerland
http://www.pohltec.ch/ZodiacXL/Main.html |
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Martin Pohl
Joined: 30 Jan 2006
Posts: 118
Location: CH-8645 Jona SG, Switzerland
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gfmjr_20(at)HOTMAIL.COM
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| Posted: Thu Aug 27, 2009 3:29 pm Post subject: Choke cable and Rotax 912 |
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Martin--
That was my question 3 years ago and the answer given then is still good. The choke pull will get a little lighter with time C but it will still take considerable effort to pull it fully open. After 280 hours I don't notice it as an issue. Just set the throttle to a full idle position C choke full open the the engine will start fine.
Good luck
George May
601XL 912s
>=====================
[quote]
With Windows Live C you can organize C edit C and share your photos. Click here.
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leo.gates
Joined: 29 Nov 2008
Posts: 35
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| Posted: Thu Aug 27, 2009 9:39 pm Post subject: Choke cable and Rotax 912 |
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To lubricate the cables I bought some graphite. I took the steel cable
out of the guides. I squirted a puddle of graphite on a piece of wax
paper and drew the cables through the graphite and used my fingers to
spread the graphite on the cables. The graphite wore off my fingers in
a couple of days, but is still on the cables after 5 years.
Leo Gates
N601Z
Martin Pohl wrote:
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Martin Pohl
Joined: 30 Jan 2006
Posts: 118
Location: CH-8645 Jona SG, Switzerland
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| Posted: Fri Aug 28, 2009 12:45 am Post subject: Re: Choke cable and Rotax 912 |
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George and Leo
Thank you for your input. I will keep the system as is and just lubricate it a little bit with graphite.
Cheers Martin
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Martin Pohl
Zodiac XL QBK
8645 Jona, Switzerland
http://www.pohltec.ch/ZodiacXL/Main.html |
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goodings(at)yorku.ca
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| Posted: Fri Aug 28, 2009 6:29 am Post subject: Choke cable and Rotax 912 |
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Six years ago when I was installing our Rotax 912S I was warned by an
experienced builder that the choke cable is notoriously hard to pull.
True! I was also told not to worry about it - it will work fine. Also
true! A couple of times a year, we shoot Rust Check (it is a very thin
oil in a spray can, sold at Canadian Tire in Canada, but there will be
counterparts everywhere) into each end of the cable sheath. It seems to
suck its way in along the cable by capillary action. The only problem we
once had was that the choke did not fully release when we pushed it in.
Another application of Rust Check took care of the problem.
John Goodings, C-FGPJ, CH601HD with R912S, Carp/Ottawa/Toronto.
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