GEAR FAIL SAFE
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RE: GEAR FAIL SAFE
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GEAR FAIL SAFE- SIMPLE AND PRCTICAL. BEST ONE ??
GEAR FAIL SAFE- SIMPLE AND PRCTICAL. BEST ONE ??
http://electrodynam.com/rc/EDR-126/index.shtml
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Join Date: Dec 2011
Location: Holland Patent,
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RE: GEAR FAIL SAFE
There are several versions of landing gear failsafe units. The EDR-126 Gear Saver from Electro Dynamics prevents gear retraction when first turning on your R/C system. Some 2.4 systems cycle the servos upon binding and this may cause a gear collapse if the system is aired up. The Gear Saver can also extend your gear when first powering up the receiver and a transmitter is not required. The TAM, Dreamworks and other units utilize a pressure switch to extend the gear if air pressure is lost inflight. The pressure switch activates your gear and door servos. Spring Air and some Robart retracts rely on air pressure to hold the gear in the up position, if the pressure is lost then an internalspring extends and locks the gear in the down position. The newer electric retracts may or may not have a fail safe function but if power is lost then the gear remain in their last position. There arepros and cons to each. I've hadgood luck withall theunits mentioned here withthe exception of thee-tracts which I have not yet installed.
Art ARRO
Art ARRO
#7
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RE: GEAR FAIL SAFE
I just installed my Dreamworks gear failsafe in my Yellow F22 while I have not tested it in the field it works perfectly under simulated conditions.
The only thing i noticed is my retract servo twitches every few seconds with the gear up? I put my servo load meter on it thinking maybe the fail safe throws
off the endpoints or something but its fine. just twitches every few seconds is this normal with a fail safe unit?
The only thing i noticed is my retract servo twitches every few seconds with the gear up? I put my servo load meter on it thinking maybe the fail safe throws
off the endpoints or something but its fine. just twitches every few seconds is this normal with a fail safe unit?