Q-40 Racing Discuss AMA 422 and any other variants of Quarter 40 racing

Spektrum Receivers, which one???

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Old 08-03-2009, 12:57 AM
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plankdriver
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Default Spektrum Receivers, which one???

Today I made my 1st Q40 flight in many years,

I decided to use a trusty 8ch 1024 Futabe receiver.

What happen on the maiden was the wildest flight I ever had. After a perfect take off and a couple of wide laps of an very untrimmed Mustang, I lost signal/control of the racer for 1 second, enough to have the the fail safe kick in, and regained control. 3 seconds later it happened again. I recover and as I am trying to keep control sinced it look like a range issue, I killed the engine and landed uneventfully.

The problem may be related to the way I coiled the anttenna, posibly cutting the range, or there may be any carbon touching the antenna. I have use the coiled antenna for every Q500 and Q40 with no problems efore I quit in 2001.

I will not take another chance with the 1024 Rx, since I not sure if is my lousy antenna setup, or the receiver itself. Funny, but the original owner, Joe Llanos, had problems with his FM receivers on this model.

For my helicopters I am using Futaba radios with Spectrum modules, Long story. But No complains after several hundred flights on the AR7000 in the helicopters. The AR6250 looks nice but know nothng about it.

What is a good full range Spektrum Receiver that will work in the Q40s?????????????????????

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Old 08-03-2009, 02:09 AM
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Tony Pacini
 
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Default RE: Spektrum Receivers, which one???

I've been using the AR7000 in Q-40 and Q-500 with no issues. I've been told that it's got greater range than the AR6200.
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Old 08-03-2009, 07:30 AM
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daven
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Default RE: Spektrum Receivers, which one???

Most of the guys are using the 7000 with a 5 cell or lithium battery/regulator.
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Old 08-03-2009, 08:18 AM
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Default RE: Spektrum Receivers, which one???

My 428 plane has an AR7000, with 5 cell (6V) 350MAH NiCd pack.

I have a couple of the 2 cell Lipo with regulator setups to experiment with - nothing like 600 mah for about 2 ounces...

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Old 08-03-2009, 11:31 AM
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Default RE: Spektrum Receivers, which one???

I will have a hard time fitting an AR7000 in the little space I have. But is that is the RELIABLE Rx, I will find a way.

Q40s are hell on everything, do you stick the dipoles out of the fuse or leave then inside? am just affraid of the tank being next to the main Rx and the Carbon in front and in the tail.
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Old 08-09-2009, 11:26 PM
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Default RE: Spektrum Receivers, which one???

Has anyone used the new AR6250 in a Q40?
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Old 08-10-2009, 03:02 PM
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Default RE: Spektrum Receivers, which one???

Use the AR7000 in everything. It's a proven RX.
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Old 09-16-2009, 01:34 AM
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Default RE: Spektrum Receivers, which one???

i have been running the Spectrum 6200 receivers in my F5D models without any problems atall, one of these models has a semi carbon fuselage so what we do is drill tiny holes in the fuse for the antenna wires to protude out slighty . i really cant see if there is any difference in range between the 6200 and the 7000 models cause if the model went that far away from me , i wouldn,t see it.
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