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Old 08-05-2010, 01:06 PM   #1
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Servo torque question

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I am building a DLE 55cc gas plane (Sbach342).

I have (2) HS7955TG and (2) HS7985MG....the 7955TG have 333oz and the 7985MG have now the question....would you put the higher torque on the ALE or the ELE.....I already have 333oz on RUD.

Any suggestions would be helpful.

Many thanks.
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Old 08-05-2010, 06:55 PM   #2
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Re: Servo torque question

Go for the ELEV!!


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Old 08-05-2010, 08:11 PM   #3
Tyler P
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Re: Servo torque question

I've got 7985s all around on my 50cc Sukhoi and they all have more than enough torque. The only time I noticed any issue was when I was doing powered down lines into a blender. My roll rate was a lot slower under power because the 7985s didn't have the necessary torque. However, doing on-power down lines isn't normal.

That being said, I'd probably put the 7955s on the ailerons because your elevator will have 178oz per side with the 7985s, which is 356oz total. That is more than enough for any maneuver on the elevators. Whereas your ailerons need more power to be effective under higher speed flight.
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Old 05-01-2011, 06:14 PM   #4
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Re: Servo torque question

I would say ailerons also because the sbach 342 have HUGE ailerons more surface area than elevator, also the servo has to move something probly 40 something inches long as apposed to lets say 10.
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