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Tiger Cub Frame


danw43
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Can anyone suggest a reason why it would be a bad idea to chop the down tube on a cub frame and replace with a thick sumpgaurd (as in how the upb and armac design frames are configured).

Obviously id have to keep the frame straight while attempting this operation.

I would hopefully have a 5mm pre formed alloy bash plate made and replace bottom of downtube with this,can anyone suggest any

downfallls pitfalls to this operation.

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Why go to all that trouble to gain about 3/4" extra ground clearance.

Cutting the frame surely weakens it.

The standard frame (on trials wheels and tyres) has great ground clearance anyway.

Regards

Sparks

Edited by sparks2
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why do it,really,because i can and i enjoy doing this stuff,its my bike and i like to try different things on it,

Ive seen it done on some frames, the lug on the gearbox,yes now i would need to do that,as for the Scottish issue,it isn't a problem,im in Yorkshire and ride in north lincs,problem solved.

No real problems i can see so far.

regards Dan

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Just been thinking about the third engine mount,what is ti stop me chopping the original down,and creating a slipper that would be welded,bolted to the bash plate(a bit like how modern forks retains the disk on a front wheel brake plate),thus giving three planes of location?

Would that create any problems?

regards Dan

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Dan , bring along a camera to Poachers and take loads of photo's , ask people for info and idea's . Dan if i was you , i would get rid of the cub , and get a Mz like Al , test bike available to ride on sat- sun at Walcot's . Al will be taking order's ....See you soon Keith

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Ah but i love the cub,its only because i like tinkering.,As for oil feed, either leave as is or you could recess it if its a real worry,but i dont personally see its a problem.

Regards Dan

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if thats the case and its gonna bend a five mm compound bent piece of alloy and a engine mount,surely itll bend a single piece of alloy and screw it any way?

One way to find out, your engine.

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