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| Hit n Miss Engine ,,,,to MR D Kerzel's design |
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| Rob.Wilson:
Cheers LADS :thumbup: Moving along ,, next up the main bearing brackets need boring ,, a small angle plate was clocked on the mill And the base fixed to it Then drilled and bored next up using the mill dials ,, the position of the hole for the timing gear shaft was located , drilled and reamed 1/4" ,, i am deviating from the drawings a bit here . Cheers Rob |
| saw:
Rob it is a work of art :clap: :clap: :clap: |
| Rob.Wilson:
Cheers Benni :D Next the crank ,,,,,,,,, Several hours later my saw had cut through the lump of steel ::) the centres were marked out on each end and drilled next a slot was milled to remove most of the material to form the big end This was then turned between centres , starting with a stiff slotting tool to remove most of the material . Then a thinner tool was used to turn the journal With that done ,, i need a spacer to go between the crank webs ,, so the crank will not bend when the pressure from the tail stock is applied ,,, there are many ways of doing this ,,,this is my way , turn up a length of steel to be a good fit between the webs , a slack fit is no good ,,, If its too tight when a parallel is laid across ,,it will rock ,, so a bit more will need to be machined off . Drill and tap one end and part off leaving a top hat ,position in line will main journals centres , hold in place with screw and washer Rob |
| metalmad:
Ahhh my favourite post is back!! :bugeye: what are u doing with the gear shaft rob? are u using custom gear sizes? I really like your way of making the web spacer, and u will see that, when it comes time for my rattler crank :clap: :wave: Pete |
| doubleboost:
I am lost for words :bow: :bow: :bow: This is real quality stuff |
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