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1. 11:40 AM - throttle setup (taildrags)
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G'day, Pietenpolers;
In an effort to get a Piet thread bumped to the top of the topics list instead
of the annual list support threads (I already made my annual contribution to Matronics,
thank you Matt), I'm throwing out a general question about throttle
setups. I don't like the setup on my airplane and am going to start from scratch.
To describe what I have, it's a Bowden cable running from the rear cockpit
to the carb. In the front cockpit, a wooden sewing thread bobbin with the
edges rounded off has been slipped over the center wire with bug nuts clamping
each side of it to the center wire to let the front cockpit occupant slide it
back and forth to work the throttle. The setup looks pretty cheesy, but since
it's tucked in pretty tight under the top edge of the cockpit, I've never had
a passenger snag it or bump it while getting in or out. Other than that, not
much else good about it.
In the rear cockpit, a simple flat aluminum lever with the pivot point at the bottom
and a round knob up near the top coaming works the throttle. It's pretty
cheesy too, but what I like is that I can rest my left hand on the coaming and
use my fingertips to work the throttle. It's very stable and easy to make
small changes in engine power that way, especially on a bumpy afternoon. Since
the knob is up near the coaming rather than down further, I can also reach in
and work the throttle very easily from outside the cockpit while prop-starting.
It also has enough friction and drag in the cables and lever where I can
set throttle in cruise and rarely have it back off or creep off of the RPM that
I want.
So what I'm looking for are pix or ideas on how you set up your throttle(s). I've
looked through some of the setups in Westcoastpiet. I've already decided
to link the front and rear throttles with a rod rather than with the Bowden cable,
but other than that, I'm open to ideas. The builder routed the throttle
cable inside the cockpit, not outside between the plywood and fabric, so I can
get to all of it if I choose to. Thanks.
Oscar Zuniga
Medford, OR
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Oscar Zuniga
Medford, OR
Air Camper NX41CC "Scout"
A75 power, 72x36 Culver prop
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=493401#493401
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