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Old 10-10-2018, 09:31 AM
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OZgreen69 OZgreen69 is offline
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Here are some pictures of local racing Vettes dual m/c that I find too big or too long and too close to the bonnet. Anyway this is why I like your setup.
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Old 10-16-2018, 03:14 AM
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vette427sbc vette427sbc is offline
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Originally Posted by rtj View Post
If you have room you could make it an I-beam in that area.

I bet a lot of guys would pay to send you their pedal box for conversion.
Originally Posted by OZgreen69 View Post
I love it!
Strength ? I think that you are good on this one , As you are pushing the pedal you will close the gap, if you understand what I mean? And welded all around... No problem for me, I would do the same. In fact I will do the same as I will copy your mod with no shame at all !!!
So! Don't stop and plenty of pictures please.
Please... copy away!

As far as strength, Im worried about crushing the sleeve... The bearing tolerance is less than .002". If I put 100 lbs of force on the pedal, assuming the masters are hydraulically locked, the pedal should flex (or pivot) about the rear edge of that sleeve (correct me if Im wrong here). If the sleeve is 1" in diameter, half of that is .5. Pedal to the center of the sleeve is 11.25. That gives a ratio of 22.5:1 so at 100 lbs of force on the pedal, there is 2250lbs of force trying to crush this sleeve.
I dont think an I beam would help me here because I already have the center section of the I beam which is what carries this direction of load. I think an H-beam would be more appropriate here, but would require a new pedal design...

Am I overthinking this? Do I need to re-take physics 101? Will real world scenario over-rule theory?
AutoWorks Middletown NJ
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Old 10-16-2018, 09:08 AM
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rtj rtj is offline
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Any material you add should help. You could also plate it on either side, using plates with holes drilled for the bearing. If there is room.

For bending beams, I (or as you mentioned, H) are really the best. But they take up space.

Or, You could also static load it and see if the bearing binds.

Last edited by rtj; 10-16-2018 at 09:13 AM..
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