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I know of a couple of steamers that have busted their frames right where the outriggers come down from the backbone :shock:
...you could look at it like this.... A steamer with a diesel engine weighs at least 250kgs and probably more with fuel. A small cradle frame to support the engine in steel will weigh say 5kgs. That's not much in the scheme of things.You could design the cradle to provide crash protection and support the exhaust system. You could also design the cradle to be able to be lifted into place with the engine in it, making fitting the engine a little easier. I'm guessing that on a conversion job like this the engine is probably going to be in, then out, then in, then out etc and making this process easier might be a real help...Having a cradle frame also allows you to jack up the bike easily - like you do with a motorcross bike. ...and it will give you a chance resolve the vibration / torsion / bending issues that you will otherwise be transmitting through an engine (and it's fixings) that may or may not be designed to cope with it....
I know of a couple of steamers that have busted their frames right where the outriggers come down from the backbone ............... :shock:
... A steamer with a diesel engine weighs at least 250kgs and probably more with fuel. A small cradle frame to support the engine in steel will weigh say 5 kgs. That's not much in the scheme of things...etc...
... TRACK Diesel bike http://www.dieselmotorcycles.eu/ in a UK magazine (MSL September issue).The article had a few good pix that showed some frame detail for their installation... which incidentally was a Triple...
Track...rather familure with the bike. Though I have not studied the frame. Will look closer at that aspect.