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Twin Cylinder Steam Engine
Darren:
Right I admit it you got to me and I've decided to build an engine.
I got taken by this one, not too complicated by the look of it. http://www.john-tom.com/MyPlans/Steam%20Engines/RotaryValveEngine.pdf
I got started tonight on the crankshaft, but I came across a problem, I need a V Block with a clamp so I can accurately mark both ends of my crank. It was going well too till I realised marking one end was simply not enough, so I got" well stuck" !!
No point showing the pic's cos I'll have to do it again.
So for the V Block I've found this one, not knowing much about these things I thought I'd better ask about it on here and see if it's the right thing or if i should be looking for something better? http://www.rdgtools.co.uk/cgi-bin/sh000001.pl?REFPAGE=http%3a%2f%2fwww.rdgtools.co.uk%2f&WD=blocks&PN=VEE_BLOCKS.html%23a08309BIG#a08309BIG
Half way down the page at £16 or so....
Oh, and while we are at it what else may I be needing? Reamers I guess?
sbwhart:
Darren
Just ran a copy of the plans off:- you don't need to turn the crank from solid the easy way to make a crank shaft is to fabricate one up. John did a superb right up on building a symilar engine on HMEN he's got it on disc he will I'm sure fix you up with a copy. It shows how to fabricate a crank.
Stew
Darren:
Lathe Dog and live center?
I'd like to try to make this on the mini lathe, if I take the chuck off and use a center, the chuck backplate (part of the spindle on this lathe) can drive a dog.
Well that's what I have in mind, advice always welcome of course.
Darren:
Well that just takes all the fun out of it Stew, haven't you noticed that I'm a glutton for punishment :ddb: :ddb: :ddb:
Seriously, I'd better wait for John before ordering anything, Thanks for the heads up :thumbup:
Darren:
I found this http://www.homemodelenginemachinist.com/index.php?topic=862.0
Is that what you were referring to Stew?
Interesting,
John, do you make your steam engine cranks in the same way?
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