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Carb (throttle) Horn - 11/13/2012 4:20 PM   
gphil


 

Posts: 151
Joined: 10/24/2011
Last Login: 5/18/2013
From: Elberton, GA, USA
Status: offline 		I have a old Thunder engine .61 that has a OS  carb on it that is missing a control arm.  I can find new carbs but no arms.   Can one convert a control surface arm to go on the carb.   This one is held in place with a screw.  Seems like you could drill a arm and put it on.   What would you suggest?   I could just get a new carb but that  50.00      gphil 

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RE: Carb (throttle) Horn - 11/13/2012 4:54 PM   
da Rock



Posts: 10886
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From: western, NC, USA
Status: online 		The carbs that are in production have those arms available for a couple of dollars. Tower Hobbies

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RE: Carb (throttle) Horn - 11/13/2012 4:57 PM   
da Rock



Posts: 10886
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Status: online 		Can you upload a picture of the carb?

Since you bought the OS carb, do you know the part number for the carb? Tower will list the carb and it's parts.

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RE: Carb (throttle) Horn - 11/13/2012 5:06 PM   
gphil


 

Posts: 151
Joined: 10/24/2011
Last Login: 5/18/2013
From: Elberton, GA, USA
Status: offline 		Carb came on engine and old style I assume.   No back angle on needle.   No #  jus says "made in japan"  I was thinking maybe a servo arm???

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RE: Carb (throttle) Horn - 11/13/2012 5:59 PM   
R8893


 

Posts: 766
Joined: 10/19/2002
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From: Cincinnati, OH,
Status: offline 		You can use any arm that you can modify to fit. Been there, done that.
Chuck

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RE: Carb (throttle) Horn - 11/13/2012 6:41 PM   
Gray Beard


 

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From: Hemderson, NV, USA
Status: offline 		If the screw is in the center then most any arm will work. I use a lot of the arms that you find on the LA series of engines. I even use them on YS engines. My LHS usually has them in stock, they are about 2 bucks.

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RE: Carb (throttle) Horn - 11/13/2012 10:28 PM   
Bozarth


 

Posts: 1021
Joined: 4/30/2004
Last Login: 5/18/2013
From: Aurora, CO, USA
Status: offline 		I have used a nylon futaba servo arm on an OS 1.40RX for years. Works perfect.

Kurt

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RE: Carb (throttle) Horn - 11/14/2012 5:36 AM   
JohnBuckner



Posts: 8305
Joined: 12/23/2001
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From: Kingman, AZ, USA
Status: offline 		Have used so many servo arms on that type of carb you tend to loose count or is it perhaps because every time one is broken its usually because I just crashed

John

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RE: Carb (throttle) Horn - 11/15/2012 2:37 AM   
AdamsBro


 

Posts: 58
Joined: 10/15/2002
Last Login: 3/14/2013
From: Utica, NY, USA
Status: offline 		My vote is for the servo arm I have seen it done many times and have used it myself a few times as well.. Not much stress on a throttle arm, or atleast there shouldnt be haha.
Good luck
-Steve E

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