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Thread: Dogbone cup or driveshaft end that fits HPI GRU 1/8 shaft ?

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Old 06-14-2011, 09:12 PM   #1
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Default Dogbone cup or driveshaft end that fits HPI GRU 1/8 shaft ?

Getting the COG lower on my f150 rig going with a GRU into a transfer.
Transfer is 5mm in. What do someof you use on the 1/8 GRU output shaft?
Does anyone make a standard dogbone cup for 1/8?

Fallback is shimming or filling the cup end with JB Weld and center drilling it 1/8.
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Old 06-14-2011, 10:22 PM   #2
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A few companies make a 1/8 to 5mm adapter for motors. I believe associated, and robinson racing makes one.

Associated # 91161

Robinson # 1200
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Old 06-15-2011, 02:37 AM   #3
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Yup, Skid's right...Robinson, AE, Losi, Nohack, 3racing etc. make a 1/8-5mm adapter...They're designed to adapt up 5mm bore pinions to a standard size motor shaft.

If you know someone with a lathe they can probably make one for you.

EDIT: 5mins search on ebay netted me this: http://toys.shop.ebay.com.au/Toys-Ho...pinion+adapter

Last edited by WIDELOAD; 06-15-2011 at 06:53 AM.
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