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  #1  
Old 12-11-2017, 09:56 AM
dave4754's Avatar
dave4754 dave4754 is offline
 
Join Date: Oct 2009
Location: Edson, Alberta, Canada
Posts: 444
Unhappy Carb heat and Throttle controls

I am installing a throttle control in my RV 7 and mixture control.

I had made a good score on two cables from an auction, both Vernier, and locking mechanism.

The throttle is locking with a push button release, have any of you ever seen a throttle used like this? Normally it is the friction variety and I'm a little concerned that the "locking" aspect on the throttle could get in the way during a need for quick action on the throttle. Any ideas on this?

The mixture control cable routed great and right up to the point of attaching to the carb, there it is about 2 inches two short. Arg! Has anyone ever replaced the cable ONLY in a Vernier control? Can it be done? Should it be done.

Can Vernier systems be taken apart?

The fix to these problems is about 600 Canadian, shipping included so all opinions welcome. Thanks

Dave C
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  #2  
Old 12-11-2017, 11:41 AM
jrs14855 jrs14855 is offline
 
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Location: Lake Havasu City AZ
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Default Vernier

Vernier throttle is standard on most Bonanzas.
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  #3  
Old 12-11-2017, 02:20 PM
jliltd jliltd is offline
 
Join Date: Sep 2013
Location: Rancho San Lorenzo
Posts: 391
Default

Vernier throttles can be a problem for quick response situations like formation flying or instant go-arounds. I have one in a Piper Comanche and it has been fine but as a rule RVs seem to lend themselves to friction push-pull for the throttle circuit. I have heard of some formation check pilots who don't like to fly with newbies who have vernier throttles.
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  #4  
Old 12-11-2017, 06:17 PM
Scott Hersha Scott Hersha is offline
 
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Location: Cincinnati, OH
Posts: 922
Default

Vernier throttles are not permitted in most formation groups. It could be a good choice for your mixture (#1), or your prop control (#2).
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  #5  
Old 12-11-2017, 08:48 PM
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dave4754 dave4754 is offline
 
Join Date: Oct 2009
Location: Edson, Alberta, Canada
Posts: 444
Default Thanks guys

I searched around and found a few good threads on this. Thanks for the input I am going to buy the new Mcfarlane I think.

Still wondering how I could just get another wire into my mixture. Darn cables are expensive new.

Anyone looking for a couple Vernier cables?
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=VAF=2018 Donation - and a bit extra for great work!
Empennage RV 7 - Tipper
Wings complete

Fuse nearing completion, Canopy complete
AME reviewed and repaired O-320-Lyc installed
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  #6  
Old 12-12-2017, 06:00 AM
SR2500 SR2500 is offline
 
Join Date: Apr 2011
Location: Colorado
Posts: 119
Default Extension

McFarlane and Aircraft Spruce sell extensions that thread on the end.
Jerry
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