Absolutely! My old unit had little plastic spacers with it to limit the
movement and I used a long horn.
It sounds like it wouldn't hurt to also slow the trim down. There are
various speed reduction devices sold and a few simple plans on the net
for constructing your own.
For trim systems that can kill you, most certified ships also use dual
switches. Your thumb moves two separate switches simultaneously so that
the trim won't move unless two switches are activated. And it won't move
by itself unless both switches both jam/fail simultaneously. Easiest way
to implement that is just add a single switch (2 wires) somewhere in one
of the two motor power wires. The switches don't have to be side by side
of course.
Ken
Ian Donaldson wrote:
G'day
All this talk of the trim overpowering the elevator has scared me!
I have the standard factory trim on my Rebel, and I have found that it only
needs a very small amount of travel.
Is it possible to limit the amount of travel in the servo unit itself? If so
this would do away with lots of unnecessary switches, wiring & circuit
breakers (etc)
I guess another way would be to make an extra long servo arm that would
restrict the trim tab deflection.
regards
Ian Donaldson
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