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  #21  
Old 10-11-2008, 04:16 AM
ao.frog ao.frog is offline
 
Join Date: Sep 2006
Location: Manstad, Norway
Posts: 866
Default Cutout switch here...

Hi.

I've wired the trim and flaps power via a separate switch placed close to the throttle and the flap switch so my hand can reach it instantly.

I've labeled it and also put on a red "hat".

That way, if ever either the flap or trim schould run away, I can stop the runaway in less than a second.

I got the idea of having a cutoutswitch from the previous a/c I've flown: F-5, F-16 and B-737.
They all have cutout swiches for elevatortrim at least.

PS: the right side side is pilotseat.

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Regards Alf Olav Frog / Norway
First RV-7 completed, (bought partly finished from a US-builder) 305 hrs per July 2014, SOLD
Second -7 had first flight Feb 25th 2014. 220 hrs pr July 2019. Life is good!
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  #22  
Old 10-11-2008, 06:48 AM
Mel's Avatar
Mel Mel is online now
 
Join Date: Mar 2005
Location: Dallas area
Posts: 10,769
Default

The throttle and mixture positions should never be reversed regardless of where the pilot sits. This will cause great problems anytime you fly another aircraft.
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Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
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  #23  
Old 10-28-2008, 08:02 PM
RNewman RNewman is offline
 
Join Date: Oct 2007
Location: Emmaus PA
Posts: 55
Default run-away trim prevention

This is the exact reason we developed our product: Safety-Trim. It limits trim travel to a maximum of 3 seconds per switch actuation. It also has the ability to do 2 speed control of the trim system as the airspeed increases. Slow trim for high airspeed and fast trim for low speed flight.

All the details are available at: www.tcwtech.com


Thanks,
Bob Newman
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