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Test banks are deadly for 2 stroke engines :s.
Germans and English don't get that in they'r heads.
By the way a lambretta is made to cruse on it!
215alessio 1 year ago
if its a full race tune, good idea, if it ain't full race tune i have some reservations about this method, but everyone to their own eh !
dadswizz 2 years ago
Why is it they just dont get it?
The bloke on about loading obviously has to have it pointed out about the eddy, he doesn't understand, does he!
Too fast= sieze, too slow= glaze... yeah.. put it on a dyno under controlled revs why dont ya!
Hard work or what!!!!
jonzo167 3 years ago
IT SHOULD BE DONE ON THE ROAD
woo738 4 years ago
Also, if the piston is not loaded enough, it does not press against the side of the cylinder correctly, so it will not seal and maintain lubrication correctly.
If u want an engine to last and work to its full potential this is not the way to do it, unless this is a single ring, full race motor and the running in only takes 10 minutes.
tpvalley 4 years ago
The whole point of using this sort of dyno is that the engine is loaded by the Eddy Current brake. I've never seen any evidence to back up the old myths about how it should be done - this is just what has been handed down over the years. Either way this is better running in than the heavy-handed owner would have done (i.e. nothing at all!)
stickyfeatures 4 years ago
Yes its loaded, but varying the load is important. The piston travels further at high rpm, as the rod stretches and compresses etc.
I do see your point about the owners though!!
tpvalley 4 years ago
hey! fancy meeting you here! stop worrying the poor guy. heh heh
67genxer 4 years ago
A lot of debat rages about running in.
The engine has to be ran under varying conditions, load, worked hard for 4 second bursts, loaded up at varying degrees.
Run to slowly and bore glazing occurs, thrash and sieze. If u run in at to low revs, when u rev it hard the conrod stretches and compresses, so the piston travels slightly further, rings can be broken or damaged.
tpvalley 4 years ago