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  • Users: dexion7
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  1. dexion7

    is this bad engineering?

    I'm planning to make a mount to support a 150kg engine from a solid 200mm x 38 x 50 rectangular section aluminum bar of which each end will have an M16 hole tapped and fitted with a rose joint, the bores of which will be bolted to the chassis. obviously there would be a washer and then a lock...
  2. dexion7

    CV joints

    I am seeking opinions on a suitable bearing support method for the half shafts on a kitcar on the rear axle (please see diagram). The usual arrangement for independent rear suspension vehicles would be to connect the diff and each wheel hub with a single shaft which has a CV joint at each end...
  3. dexion7

    kit car torsional stiffness question (with a twist!)

    my car is a kit car with no roof so the torsional stiffness of the chassis if probably quite low. it has an engine making about 450 lb ft of torque which probably tests the chassis, particularity in the lower gears. however, it's 4wd so i wondered if the torsional load exerted on the chassis...
  4. dexion7

    piston ring position

    In an engine, what is the purpose of offsetting rings 120 degrees when installing the pistons in the bores? Out of several engines I’ve pulled apart and looked specifically at the ring positions, not a single piston has had the rings at 120 degrees. No bores, pistons, rings, blocks etc are...
  5. dexion7

    crank position

    why is it that in internal combustion engines the crank is always positioned directly below the pistons? if it was offset would that not give designers latitude to address issues such as detonation / piston speed / rod angle etc?
  6. dexion7

    elastomeric donut coupling

    http://files.engineering.com/getfile.aspx?folder=89572820-07fc-4a5a-9dd4-6642833ac298&file=120.JPG i'm trying to connect a bike engine to a diff in a kit car (about 250bhp). the engine is solid mounted and, conscious of the possibility of chassis twist at full torque, need to know the best...

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