|Sep 05, 2012, 04:11 PM|
Windsor, Canada, near Detroit
Joined Jul 2007
telemetry for sailplanes
this is my view of sailplanes:
recently i have been flying 2 meters (some 80 inches) electric powered sailplanes and have reached the conclusion that they are in need for telemetry, as there are no signs of when the pack is going to be exhausted and the plane will crash-or get lost.
with electric powered planes, when the motor slows down, that means 'land as soon as possible', but with a sailplane there are no warnings.
still, i was reluctant to invest some $450-or more-until i learned from a friend another way:
getting a 9x tx from hk, and the other components from aloft hobbies, the total initial investment is $153.78, and after that, all that i need per plane is $34.01.
details are as follows:
9x tr: 53.95 http://www.hobbyking.com/hobbyking/s...idProduct=8992
FrSky DJT - JR Transmitter Telemetry Module DJT $22.76
FrSky FLD-02 - LCD Display FLD-02 $20.47
FrSky D8R-II Plus - 8 Channel Receiver w/ telemetry D8R-II plus $25.71
Battery Voltage Sensor FBVS-01 $2.55
s h 5.75
total (tx and parts):153.78
after this investment, all that i will need for each plane that follows will be:
8 ch rx 25.71
volt sensor 2.55
s h 5.75
that is it: 34.01 per plane!
(the tx is from hk, the rest from aloft hobbies)
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