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teamidris Mud Obsessed
Joined: 24 Feb 2008 Odometer: 3372 Location: Staffordshire UK
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Posted: Fri Dec 13, 2013 7:28 pm Post subject: Electric motor - swapping the rotor
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I'm building a self-circulating oil cooler. I've used a D100 frame 3 phase motor with a B35 flange to drive a gear pump via a B35 bell housing. The 500mm fan fits where the little plastic fan was. To make my life easier I have stripped the motor down, machined the shaft down where the plastic fan was and put the rotor in the other way around. So the plastic-fan shaft now drives the pump (low pressure, low torque) and the decent shaft takes the fan.
The lady at the motor place says they swap rotors end-over-end at their works regularly. ( I did check before I waded in). I wondered if anyone had any experience of it?
You might ask why I didn't buy double ended, but it's cost and lead time.
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DD Mud Obsessed
Joined: 25 Sep 2003 Odometer: 9761 Location: Aberdeenshire
1986 Land Rover Defender
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Posted: Fri Dec 13, 2013 7:42 pm Post subject:
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42
__________________________________ Disco 'DD' Don
90 v8 for fun
110 XS CSW daily drive
'I came, I saw, I locked the diff' |
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teamidris Mud Obsessed
Joined: 24 Feb 2008 Odometer: 3372 Location: Staffordshire UK
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Xpajun Mud Obsessed
Joined: 22 Sep 2008 Odometer: 3245
1988 Mitsubishi Shogun
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Posted: Fri Dec 13, 2013 7:50 pm Post subject:
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Not a problem - something we would have done if needed in the factory back in the day...
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jeepmadmike Mud Obsessed
Joined: 08 May 2005 Odometer: 4573 Location: between 6000+7000 rpm and Devon
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Posted: Sat Dec 14, 2013 7:33 pm Post subject:
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If it was made in the last thirty years which it must be having a d100 frame
It will no problem at all unless it's very odd, but then I would expect it to be a non standard frame.
__________________________________ Land Rovers are the root of all evil!
Now i have gone and bought a D4!
one day i might buy a 86" series one like my dad had when i was a boy. |
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teamidris Mud Obsessed
Joined: 24 Feb 2008 Odometer: 3372 Location: Staffordshire UK
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Posted: Sun Dec 15, 2013 9:02 am Post subject:
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Possibly even made in the last three weeks
It's happy-shopper / bottom end, being ally frame. Looks nice on the outside, and rough on the inside. But I'm not asking a lot of it with a fan and a low pressure pump, so they normally survive well.
The other one I'm building has a 250mm fan and is for really thick gear oil. (uses intercooler tube instead of oil tube). This was the first odd-ball in-house job we did, so we bought the pump set in. I've done 7 of them I am still struggling to ream an ally fan hub from 14mm to 9/16" to fit where the plastic fan was. Maybe these will swap around as well? Which makes my life a whole lot easier
Thanks for the experienced help
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