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metal universal coupling for boat 22mm x 10mm x 4mm Shaft

metal universal coupling for boat 22mm x 10mm x 4mm Shaft

metal universal coupling for boat 22mm x 10mm x 4mm Shaft

PRODUCT ID: 017000085

Weight: 22g
International Warehouse
Price  HKD29.33

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 Customer rated 5 crowns   
Total of 25 discussions.
Hitesh Kher  11 points - 8/28/2014
Hello everyone , I like to home made rc boat but some confusion in mechanism motor to prop , so please help me, which parts required on this mechanism please inform me all parts. Thank you.
 mathew 30 points
you will need first a motor, a coupling, a rigid or flexible drive shaft, and a propeller
 Hitesh Kher 11 points
Thank you!
 ERKAN 1 points
In addition of them you need ecs and servo for directing and stoping
FrenchCricri  1 points - 3/12/2014
Hello Be carrefull I had bought the "PRODUCT ID: 17000211-0" HK says "Shaft Size: 4mm " but it's WRONG, one end is 4 and the other is 3.17mm So i don't know if it is the same thing here ...
 Mosa 98 699 points
this one is 4mm to 4mm, but if the other is 4-3.17 that's great, I've been trying to find one like that for ages!
UFOinterceptor  32 points - 2/20/2014
does hard shaft needs Stinger Drive? if soo, what Stinger Drive do i need for 4mm hard shaft?
 Mosa 98 699 points
stinger drive? you just need a universal joint from the motor to the shaft and a prop at the other end! plz credit
Pognante  11 points - 2/16/2014
Is good for a hard shaft?
 Mosa 98 699 points
yes, I use it on hard (or solid) shafts. plz credit!
sergiozaki  18 points - 10/20/2013
hi what about for 3mm this will do it? Thanks
 ibrahim 12 points
Both holes 4 mm. But you can use 3mm in, 4 mm out sleeves , thimble for it. Use broken radio antenna for it.
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Szcs Zoltan
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Megéri az árát,de kár hogy nincs más méretben.

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bought these to replace the ones on my Traxxass outdrives - they are shorter overall, so I will have to rig something up as a spacer, otherwise they look pretty nice, may work in the NDQ. They are nice and small.

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This one is machined quite well, maybe a bit loose fit on a 4mm shaft. the problem with this thing is the lubrication, the materials dont like dry running. In my case, some 30k rpm boat setup and just spraying grease on it let it run for only 20 times approx. it can take a lot of torque, for sure, so ill try an oil bath maybe, but on the next boat i wont use it anymore.

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