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Old 01-13-2007, 11:51 PM   #1
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Default Sanwa Servos

Hi

Does anyone know if a Futaba servo horn will fit onto a Sanwa servo or are they different?

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Old 01-14-2007, 12:22 AM   #2
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Sanwa, Airtronics, KO = 23T horn required
Hitec, = 24T horn required
Futaba, = 25T horn required

hope this helps!
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Old 01-14-2007, 12:38 AM   #3
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Quote:
Originally Posted by nigelnuggets
Sanwa, Airtronics, KO = 23T horn required
Hitec, = 24T horn required
Futaba, = 25T horn required

hope this helps!
Nigelnuggets:

Thanks... Ill have to see what i can get then from the LHS.

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Old 01-14-2007, 02:14 AM   #4
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That's the one thing that the servo makers should do, by making all the servos a standard spline 23t,24, or 25t, wouldn't it make it so much easier to just have a half a dozen spare ones in the kit without worrying if we got the correct one or not!
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Old 01-14-2007, 02:39 AM   #5
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Quote:
Originally Posted by itchy b
That's the one thing that the servo makers should do, by making all the servos a standard spline 23t,24, or 25t, wouldn't it make it so much easier to just have a half a dozen spare ones in the kit without worrying if we got the correct one or not!

Itchy B:

you gotta stop thinking like that or you'll strain something

Thanks for the help guys, i am told that the stock radio with my FW05T+ is KO, so looks like all i need to do is screw it in

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Old 01-14-2007, 02:56 AM   #6
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Quote:
Originally Posted by Bundy_Bear
Itchy B:

you gotta stop thinking like that or you'll strain something

Thanks for the help guys, i am told that the stock radio with my FW05T+ is KO, so looks like all i need to do is screw it in

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Who said that i haven't strained something already!
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Old 01-14-2007, 04:00 AM   #7
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Quote:
Originally Posted by itchy b
Who said that i haven't strained something already!
Hmmm how to anwser that one without being crude... nah got nothing

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Old 05-25-2015, 03:45 AM   #8
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does anyone have info on Sanwa's srm102z servo horn screw thread? (Airtronics 94102Z ) the original screw has a unique thread with an angle close to a cork screw. I need a longer than the original screws of 102z because the original screw is too short if use with a servo saver, I can't find a longer screw with the correct thread. hope somone has more knowledge on this can point out some informations.
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Old 05-25-2015, 04:55 AM   #9
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Servo's do use M3 or M2.5 thread.
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Old 05-25-2015, 05:43 AM   #10
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Originally Posted by Roelof View Post
Servo's do use M3 or M2.5 thread.
+1. I've been running Sanwa servos pretty much exclusively for around 15 years and they have all had an M3 thread for the horn. That's standard size, low profile and mini servos for 1/12.
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Old 05-25-2015, 07:42 AM   #11
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+1. I've been running Sanwa servos pretty much exclusively for around 15 years and they have all had an M3 thread for the horn. That's standard size, low profile and mini servos for 1/12.
Thanks for the inputs, M3 = 3mm? if so this is the size common on Tamiya's regular kits. But I have already considered that and compared the threads side by side, Sanwa's screw thread are more inclined and has a deeper groove in-between threads so on side by side comparison if you line up both threads and look from the 1st thread the difference increases, as you match the thread up. so the 4th thread of the sanwa screw will allign on the M3's 6th thread, and this seems would create some damage to the servo's thread if fitted w/M3 thread.

Check out the picture, the black short screw is the Sanwa's original horn screw on the srm102z while the silver screw is a tamiya 3x10mm ,see the thread difference. the sanwa (black short) has a more angles thread like a cork screw with deeper cuts between thread. It seems as it has less thread per inch than a regular 3mm screw.
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