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General RC Heli Discussion Discuss general topics on rotary wing aircraft, including construction, Servo's, Gryo's and Stabilizer discussions. Heli Pro Shop

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Old 02-28-2005, 09:14 AM   #31
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That's great.There is nothing more frusterating that mysterious random glitches,in a helicopter.Now, on with the positive ground slams.In these I have way more experience to help........have fun............Jim
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Old 02-28-2005, 06:19 PM   #32
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Glad ya solved it! I wasn't certain it was the receiver after the current draw of your servos was pointed out.

Did you read about how the Berg DSP works? Cool eh?

I'm sure the days of standard radio receivers are numbered. I'm sure many new receivers with this sort of intelligence will follow. The Sombra Shadow 1 already goes one step further by performing frequency synthesis....

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Old 03-01-2005, 03:56 PM   #33
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shogun glitch

i had the same problem with mine and twisted the servo wires and battery wires also kept the antenna wire away from any metal parts like the boom hope that helps
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Old 03-01-2005, 10:18 PM   #34
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Tony, no worries problem solved, as mentioned in thread was the rx.
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Old 03-09-2005, 06:21 AM   #35
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FYI. From Ben74 at ezone:

i did a little test the other day. i put a wattmeter between a 4 cell CP2400 NiCd battery and the Rx in my predator. there are three 9252 digital servos and a 401 gyro + 9253 digital tail servo connected to the futaba PCM Rx. at rest, the whole system was consuming 1W. with no load, moving both sticks in quick circles drew less than 1A. shaking the gyro around did not cause it to draw much current. next, i put my hand on the swashplate and pushed down hard. pumping the collective up and down with the pressure on the swashplate drew between 1 and 2A, with only very brief peaks of 2.5A visible on the wattmeter. i was pushing down on the swashplate pretty hard, and i'm sure the swashplate never sees that kind of hard, continous load even during 3D. the servos didn't even blink under that load. if you got your finger in the wrong spot, those servos could easily break it. anyway, it wasn't the most scientific of tests, but it convinced me that the 2.5A continuous rating of the sbec is sufficient.

BTW. Why delete the thread???

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