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Discussion in 'Australia' started by Precis, May 17, 2020.
I didn't know Bosch made engines :) But from that it looks like a Blaupunkt. (Bluespot in DE)
BRC 500 two stroke.
Nice cutaway of...................?
Give you a hint
Cylinder bore 250mm
Piston stroke 330mm
Ship engine but thats all I've got.
Bergen C-25 (Rolls Royce)
We had to change a crankshaft in one a few years ago - WHAT A JOB!
Was going to say, at 16 and a bit litres capacity per cylinder, its got to be a ships engine (well, that and the background in the pic and size of the thing).
What happened to the crank, scored a bearing?
Somehow part of an oil filter seal made its way through the system - blocked the oil supply - stopped in a HURRY!
A couple of videos for when you are bored!
Ouch, are they babbit bronze?
As per the manual - "The bearing shells are thin walled steel shells, lined with special tin-aluminium bearing material."
So no dropping a main cap off and linishing it? lol
Tried that - failed the hardness test!
On bigger engines there are a few mobs that can regrind and induction harden in place - but DNV (Classification society) wouldn't allow it on this engine.
The new crankshaft was Air Freighted form Norway to Australia $$$$$$$$$$
The final bill after it was back together came in somewhere around $1.5M.
Hint, it's not a Desmo
1934 500cc Husqvarna GP race bike
Husqvarna 500 GP Racer
Claimed power: 44hp at 6,800rpm
Top speed: 118mph
Engine: 498cc air-cooled OHV 50-degree V-twin
Weight (dry): 279lb (127kg)