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  #21  
Old 01-09-2020, 06:37 PM
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GWIZ GWIZ is offline
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Originally Posted by Ironman View Post
Here again today it happened.

I have a Hatz diesel on the floor, to be coupled to a pump. So I measure the shaft...1.25" on the pump. The Hatz engine is 25.35mm. So I called the bearing house and told them one Lovejoy end needs to be 25.35 and he just laughed at me.
He said 25 mm is what we can supply, you'll have to get someone to bore it out for you. It is just a shade to tight to get a 1" bearing on the shaft without a hammer.
I may have to get a 1" hub and start the engine and use a file on it til it fits.

This is Trumps fault.
25.4mm = 1" one inch Lovejoy?
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Last edited by GWIZ; 01-09-2020 at 06:43 PM.
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  #22  
Old 01-09-2020, 07:25 PM
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If they are moving water, if they do it now they could move blocks and save having to pump it.


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  #23  
Old 01-09-2020, 07:32 PM
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If they are moving water, if they do it now they could move blocks and save having to pump it.


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There's a good idea. You could put it on a shelf a put a price tag on it.
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  #24  
Old 01-09-2020, 07:36 PM
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Originally Posted by GWIZ View Post
25.4mm = 1" one inch Lovejoy?
Yes, I thought of that and I did the measurement by micrometer....and no, it is 2.5 thou less than an inch .998"
Enough to be sloppy, unless a person used a taperlock.
So I will have to machine the G.D. coupling
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  #25  
Old 01-13-2020, 01:30 PM
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Problem solved.
I have an expanding reamer that I backed off to the correct measure and a minute later it was a perfect fit.
i still don't get why 25mm is not 25, and 15mm is not 15. I guess if you have been born to it, or never will measure a shaft, it's a perfect system.
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  #26  
Old 01-13-2020, 04:07 PM
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I avoid all metric things since it just frustrates me to no end.
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  #27  
Old 01-13-2020, 07:44 PM
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I avoid all metric things since it just frustrates me to no end.
It doesn't frustrate me, I just want to understand it so this sort of thing is something I know how to deal with. There may be a reason for it.
I can machine in inches to whatever metric number, I just find the number not being logical, in an otherwise logical system.
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  #28  
Old 01-13-2020, 11:03 PM
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Combination of two things. First being that Canada is still mostly imperial for materials, so the hodge podge of metric we get is either really, really good (generally European goods) or the really cheap asian import type stuff.

The good stuff is more like the hardware, nominal sizes are generally even, 6, 8, 10, 12, 16 etc.

If you have the chance to check out aluminum extrusions in metric, it is similar, with 20x20mm, and 20x40mm etc being how it is often setup. Differences there will be the profiles and ‘fittings’ will be proprietary to the manufacturer. As long as one buys all the same make, it is quite easy to work with.


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