round servo horn (Full Version)

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DBono99 -> round servo horn (11/7/2007 5:15 PM)

Hi I'm going to use the round servo horns..Now the 3 holes on side of the horn, which one will give me more travel..

Thanks Dan



BarracudaHockey -> RE: round servo horn (11/7/2007 8:36 PM)

Out on the arm and in on the control surface gives more travel.



A.T. -> RE: round servo horn (11/7/2007 9:20 PM)

quote:

ORIGINAL: DBono99 Hi I'm going to use the round servo horns..Now the 3 holes on side of the horn, which one will give me more travel.. Thanks Dan

HS-81 Sevo horn set. The round horn does not, in this instance have a series of three holes radiating out from the center to provide for short or long throws, all holes are equidistant. However, those set at 90 degrees will give equal left & right movement whilst those forward and back of the center will give more one way throw than the other.
Your same question was posted and answered Post 4 and again Post 6
Regards
Alan T.
Alan's Hobby, Model & RC FAQ Web Links



DBono99 -> RE: round servo horn (11/7/2007 10:32 PM)

Hi Alan I was just trying to see what responses I got in this forum..Maybe next time I'll post my RX/TX questions here..Here is another question is IT possible to have more up then down in the ailerons just using one servo..The plane I'm building now calls for 3/8 up & 1/4 down for the ailerons..The wing servo control horn has the regular 4 arms..
Thanks Dan



A.T. -> RE: round servo horn (11/7/2007 11:35 PM)

quote:

ORIGINAL: DBono99 Hi Alan I was just trying to see what responses I got in this forum..Maybe next time I'll post my RX/TX questions here..Here is another question is IT possible to have more up then down in the ailerons just using one servo..The plane I'm building now calls for 3/8 up & 1/4 down for the ailerons..The wing servo control horn has the regular 4 arms.. Thanks Dan

Absolutely no problem to set up differential with a standard servo and a straight cross arm (or star with other arms cut off) or the round horn as supplied with the HS-81. If using holes of the servo disc or a straight servo arm at right angles to servo, simply rake the aileron arms backward if servo is under a high wing model or forwards if servo is mounted on top of a low wing model, as decribed:
Differential Aileron Throw by Clay Ramskill
Differential on servo horn - from RCAS Newsletter, March 1999
Differential - Mechanical set-up - Correct Dutch roll and Drag. - Model Aviation
In need email me via my web page link and I will send a few pictorial jpg's of examples.
Regards
Alan T.
Alan's Hobby, Model & RC FAQ Web Links



bruce88123 -> RE: round servo horn (11/8/2007 2:27 AM)

With your low wing plane the servo would be above the wing and the arms should be closer to the trailing edge than the leading edge.



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