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05-22-2007, 01:37 PM
| #1 (permalink) |
| Flyin' Around  Join Date: Feb 2007 Location: sweden
Posts: 2
 |  Need servo advis for 86" Extra
Hi! I'm new to giant 3D planes and are about to equip my 86" Extra. I intend to fly it with a 45CC gasoline engine. My question is what kind of Futaba servos will this machine require? The all up weight is around 7-8kg (15,4-17,6lbs) Will Futaba 3050 be ok for the ailerons? Will a pair of Futaba 3152 be ok for elevator? One Futaba 9350 for rudder??? Many thanks! /Stefan Last edited by BulletQ; 05-22-2007 at 01:44 PM. |
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05-22-2007, 01:52 PM
| #2 (permalink) |
| Drakien is my hero   Join Date: Aug 2006 Location: Frederick, Maryland
Posts: 1,089
 | Re: Need servo advis for 86" Extra
I would not fly that plane with those servos. If it has large surfaces like the modern planes I do not think you will have enough authority to move the surfaces or will have blow-back under load. Most recommended servos for a 3d capable plane of that size will be in the 180 oz inch of torque. I would think something more on the order of the 9152 would be what you are looking for. I am sure you will get other suggestions.
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