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Author Topic: 777 motor  (Read 3207 times)

Marks Model Bits

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777 motor
« on: May 04, 2009, 12:03:57 pm »

Hi can anyone tell me what the output shaft diameter is on a Model Motors Direct 777 motor please?
I need to make a coupling and the customer doesn't know what the diameter is.

Thanks,

Mark.
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andyn

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Re: 777 motor
« Reply #1 on: May 04, 2009, 12:19:12 pm »

4.5mm across by only 5mm long, so you'll have to put the grub screw pretty tight into the rear of the coupling

Andy :-))
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warship1

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Re: 777 motor
« Reply #2 on: May 04, 2009, 02:50:58 pm »

Don't the 777 already come with a brass coupling fitted, ready to plug into the universal coupling?
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Ron1

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Re: 777 motor
« Reply #3 on: May 04, 2009, 03:44:39 pm »

Don't the 777 already come with a brass coupling fitted, ready to plug into the universal coupling?


They do on my 2.
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andyn

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Re: 777 motor
« Reply #4 on: May 04, 2009, 04:14:58 pm »

I've got a pair of them, plain shafts.
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DickyD

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Re: 777 motor
« Reply #5 on: May 04, 2009, 04:21:03 pm »

Don't the 777 already come with a brass coupling fitted, ready to plug into the universal coupling?
They show them on their website as supplied with a brass spline already fitted for connecting to the modular type universal joint,
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Stavros

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Re: 777 motor
« Reply #6 on: May 04, 2009, 04:40:33 pm »

Well maybee Mark's customer does not like the Dyco type coupling and wants a proper coupling made instead.What tickles me is that a simple question has turned out to be a debate!!!!!!!!!!!!!!!!!


Stav
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andyn

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Re: 777 motor
« Reply #7 on: May 04, 2009, 04:44:15 pm »

Not really a debate Stav, just about everyone agrees that the Dyco type are overpriced and cause far too much vibration, I don't think I've had one yet that's been spot on straight...

I don't need any more couplings at the moment, but I will go to Mark in future by the looks of things :-))
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barryfoote

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Re: 777 motor
« Reply #8 on: May 04, 2009, 06:51:54 pm »

Well maybee Mark's customer does not like the Dyco type coupling and wants a proper coupling made instead.What tickles me is that a simple question has turned out to be a debate!!!!!!!!!!!!!!!!!


Stav

Without debate this would be one boring forum!! >>:-( >>:-(
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portside II

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Re: 777 motor
« Reply #9 on: May 04, 2009, 10:22:13 pm »

I have a couple of 777's and they have a shaft of 4.8mm which is splined A dog to get a drill bit at the time to make a coupling fit .
daz
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