REFLECTOR: Dual Throttle Quadrant Part 4

[Richard J. Gentil]

Jack,

I had looked at something like that in the Spruce Catalog but it was 
designed for ultralights and would not be heavy duty enough for a Velo.

Richard

Jack Prock wrote:
> Has anyone looked at or experimented with this:
>  
> http://triketek.com/linear_dualthrottle_main.html
>  
> It may not be hefty enough for our needs, but it would eliminate the
> dual cables back to the engine.
>  
> Jack
>
>     ----- Original Message -----
>     *From:* Richard J. Gentil <mailto:richard at naples-air-center.com>
>     *To:* Velocity Aircraft Owners and Builders list
>     <mailto:reflector at tvbf.org>
>     *Sent:* Sunday, November 25, 2007 9:38 AM
>     *Subject:* Re: REFLECTOR: Dual Throttle Quadrant Part 4
>
>     Larry,
>
>     The order on the quadrants are on each side:
>
>     Outboard - Throttle
>     Center - Prop
>     Inboard - Mixture
>
>     The largest diameter tube is also the shortest length tube and the
>     Throttle connects to it on both quadrants.
>
>     The middle diameter tube is the next longest length tube and the
>     Prop connects to it on both quadrants.
>
>     The smallest diameter tube is the longest length tube and the
>     Mixture connects to it on both quadrants.
>
>     I attached two pictures,
>
>     Richard
>
>
>     lawrence epstein wrote:
>>     The system you have in the last photo looks like a good solution,
>>     except I am concerned about having the controls in a different
>>     order left-Right on the 2 quadrants.
>>
>>     I like the idea of completely separate systems back to the engine
>>     compartment. This eliminates a single point failure (of both
>>     controls) mode.
>>
>>     What does the factory system look like (I think they offer that
>>     option?)
>>
>>     Larry Epstein
>>
>>
>>
>>
>>         ------------------------------------------------------------------------
>>         Date: Sun, 25 Nov 2007 00:41:27 -0500
>>         From: richard at naples-air-center.com
>>         To: reflector at tvbf.org
>>         Subject: REFLECTOR: Dual Throttle Quadrant Part 4
>>
>>         Sorry for so many emails. I am lousy at descriptions and I do
>>         much better with pictures.
>>
>>         The next direction is I took three pieces of steel tubing
>>         from Aircraft Spruce and put one inside the other. Then I
>>         braised on steel tabs and used a bolt on each side braised to
>>         a flat plate for a bearing to pivot on. For my linkages, I
>>         took flat steel rods which I cut and drilled 6 exact
>>         duplicates which I attached with clevis pins to the throttle
>>         quadrants and tabs on the steel tubes. Then I took the
>>         reversing throttle quadrant on the co-pilot's side and
>>         modified it so it would be non reversing, which is needed
>>         with this new idea I am trying.
>>
>>         I attached a picture of what I hope will be the solution for
>>         dual quadrants. I was wondering if anyone has been down the
>>         current road I am headed and has any pointers.
>>
>>         This is turning into a _*HUGE*_ time sink. Almost makes me
>>         wish my wife were not a pilot too, which would have negated
>>         the need for dual throttles.
>>
>>         Richard 
>>
>>
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