Amazing machine work

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BigDumbDinosaur
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Joined: Tue Jun 28, 2011 9:19 pm
Location: Midwestern United States

Re: Amazing machine work

Post by BigDumbDinosaur » Sun May 01, 2022 2:44 pm

RSG wrote:
Sun May 01, 2022 8:43 am
BigDumbDinosaur wrote:
Sat Apr 30, 2022 3:15 am
RSG wrote:
Fri Apr 29, 2022 5:13 pm
LOL@BigDumbDinosaur :lol:

Exhibit A:

https://www.youtube.com/watch?v=taU6qu5pXBo
brilliant! Eliminates the need to worry about burnt out light bulbs in the strobes. :lol:

Also, the flames let you know the engines are still running. :wink:
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Research is what I'm doing when I don't know what I'm doing.

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BigDumbDinosaur
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Joined: Tue Jun 28, 2011 9:19 pm
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Re: Amazing machine work

Post by BigDumbDinosaur » Sun May 01, 2022 2:56 pm

GlennW wrote:
Sat Apr 30, 2022 10:26 am
Cold air enters the front of the belly scoop, is heated going through the radiator, and expelled through a reduced opening.

The Mustang was the best-known example of the use of the Meredith effect to reduce cooling-system-induced drag. NACA exploited the idea in the 1930s with radial engine cowlings, but with less effect than seen with a liquid cooling system.
——————————————————————————————————
Research is what I'm doing when I don't know what I'm doing.

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GlennW
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Re: Amazing machine work

Post by GlennW » Fri Jul 29, 2022 12:16 pm

Back to connecting rods...

Grinding the parting line to close up the big end bore. (1" micrometer for scale)
DSC04274.JPG
Then honing the bore back to size to get it round and straight again.
DSC04275.JPG
Glenn

Operating machines is perfectly safe......until you forget how dangerous it really is!

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GlennW
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Re: Amazing machine work

Post by GlennW » Fri Jul 29, 2022 2:30 pm

And then you fit a new bearing, bore it to size, and radius the corners.
DSC04284.JPG
Glenn

Operating machines is perfectly safe......until you forget how dangerous it really is!

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GlennW
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Re: Amazing machine work

Post by GlennW » Tue Aug 02, 2022 5:53 pm

The fork rods aren't as much fun to do as the blade rods, as you can get away with using a Sunnen cap grinder on the blade rods. The fork rods are way more labor intensive.

They need to have the beam hand lapped to the upper bearing block for 100% contact.
DSC04285.JPG
Then the parting line on the bearing blocks get hand lapped on the lapping plate until the bore is as round as possible and on size, or slightly under size with the rod assembled.
DSC04286.JPG
Assemble, check dimensions, disassemble, lap, clean, assemble, check dimensions, over and over again...
Glenn

Operating machines is perfectly safe......until you forget how dangerous it really is!

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