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Posted: Wed Feb 06, 2013 10:02 am
by KR-1R
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is the motor gonna be a hybrid (of brands) ?
Posted: Wed Feb 06, 2013 1:37 pm
by mj43
Nope
Well apart from a few bits such as pistons.
Other than that it will look just like Big K would have built it
To explain that and to provide a reason for the KR-2 rather than KR-1
I will remind you of how Kawaski number their models
A1, A2
S1, S2, S3
Mach I, Mach II, Mach III and Mach IV
Now all should be clear
and before TSI chips in yes I know it is far from ideal but it is what Kwack would have done.
For a bit of background have alook at the predecessor of the KDX200/220 - the KDX175
Kawasaki always reused bits from one model on to the next.....
Posted: Wed Feb 06, 2013 7:41 pm
by KR-1R
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with a 66mm bore and 50.6 stroke?
Posted: Wed Feb 06, 2013 7:57 pm
by mj43
Posted: Wed Feb 06, 2013 8:54 pm
by fred
ime getting 346.25cc
are we getting warmer
Posted: Wed Feb 06, 2013 9:08 pm
by KR-1R
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with 7.4mm shaved off the KDX200 cylinders (destroked from 58mm)
will they fit that close together?
Posted: Wed Feb 06, 2013 9:09 pm
by mj43
S2 = 350
Mach II = 350
KR-2 = 350
Still a long way to go though.......
Posted: Wed Feb 06, 2013 9:14 pm
by mj43
KR-1R wrote:.
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with 7.4mm shaved off the KDX200 cylinders
will they fit that close together?
No, I have a KDX cylinder and couldn't see any way to use it. Also the porting is all bottom end so no good for a performance machine.
Posted: Wed Feb 06, 2013 9:40 pm
by fred
are you casting some
i used to love doing the Cope and drag molds at school on a saturday ,the core work would be extreamly hard
Posted: Wed Feb 06, 2013 10:21 pm
by KR-1R
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these days you would probably require 3 sets of 3D print outs
the bore and ducts,
another set for the water galleries, and third one for the cylinder jacket (exterior)
a colleague at work (part time design student) has had jewellery 3D printed in sterling silver
I think using SLS (Selective Laser Sintering) or SHS or DMLS process
http://www.youtube.com/watch?v=IS4Xw8f9LCc
http://www.youtube.com/watch?v=PQzAKKpg0uY
investment casting titanium...
http://www.youtube.com/watch?v=WXFRRg8YMT0
^^^ ask that hammer company to do a group buy on some conrods
3D printing in a material such as glass might be work for the voids - so it can be shattered and removed post casting (see ceramic slurry)
http://www.shapeways.com/blog/archives/ ... eways.html
Posted: Wed Feb 06, 2013 10:24 pm
by mj43
That is the plan
Posted: Wed Feb 06, 2013 10:24 pm
by mj43
That is the plan
Posted: Thu Feb 07, 2013 10:02 pm
by fred
ive got 20kg of gold star investment powder i bought for silver if anyone wants it,
Posted: Thu Feb 07, 2013 10:06 pm
by mj43
Fred
might have it off you let me read up on it
Posted: Thu Feb 07, 2013 10:16 pm
by fred
i didnt use it as i needed a vacume chamber to suck the air out the slurry as that would explode,