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Post by pitciblackscotland on Jun 6, 2013 2:08:02 GMT -5
More pics.   |
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Post by pitciblackscotland on Jun 7, 2013 1:10:27 GMT -5
I decided to repair the the CC instead of making a new one, so i machine off the burnt part and made a ring to be welded in. I'm thinking of using aluminium brazing rod or should i get it tig welded  . Cheers, Mark.     |
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Post by pitciblackscotland on Jun 7, 2013 1:19:42 GMT -5
the ring is 3mm thick aluminum don't know what type it is will see if it can be welded . Cheers, Mark.   |
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Post by racket on Jun 7, 2013 3:54:18 GMT -5
Hi Mark
Nice solution :-)
Will you need too "reassemble" the engine before welding to get everything in their correct positions ??
Cheers
John
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Post by pitciblackscotland on Jun 7, 2013 8:30:01 GMT -5
Hi John, Thanks i hope this will work out. Yes i will reassemble the engine just to make sure everything lines up, and will make up a new boss to hold the glow plug as the one i got from my local hobby shop is longer and the thread is a bit sloppy when screw into the boss. Cheers, Mark.   |
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Post by pitciblackscotland on Jun 20, 2013 7:06:50 GMT -5
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Post by pitciblackscotland on Jun 20, 2013 7:22:30 GMT -5
I'm happy how the can turn out, just need to drill some holes for the diffuser and glow plug, exhaust cone. Cheers, Mark.    |
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Post by pitciblackscotland on Jul 1, 2013 8:03:04 GMT -5
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Post by pitciblackscotland on Jul 1, 2013 8:09:02 GMT -5
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Post by pitciblackscotland on Jul 12, 2013 2:02:22 GMT -5
Hi Guys, Almost ready to assemble the engine. Made a new glow plug boss and painted the steel parts with high temp paint I'm thinking of using some gasket paste for the glow plug boss and cutting the gas needles to 20mm which i think will be enough to stick down the vap tubes . Cheers, Mark.    |
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Post by racket on Jul 12, 2013 17:00:47 GMT -5
Hi Mark
Yep , only need to get the gas into the evap end.
Love that "containment" ring for the turbine wheel, built to your usual weight requirements ;-)
Cheers
John
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Post by pitciblackscotland on Jul 12, 2013 18:05:33 GMT -5
Hi John, Thanks mate. Hehehe yes heavy duty containment ring is the way the go for me  . I just had a chat to smithy he said how am i going to balance the turbine after assembly?. That's a good question my thinking was you rebalance the turbine when you replace bearings, comp wheel, turbine wheel. So will put the reassemble on hold until i get the rotating assembly balance. Cheers, Mark. |
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Post by ernie wrenn on Jul 13, 2013 7:56:23 GMT -5
What would we do without fire extinguishers and Why do companies keep putting those stupid chemicals in them? We just have to let it out first..
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Post by pitciblackscotland on Jul 13, 2013 21:11:16 GMT -5
Hi Ernie,
Yes and what would we do without the scrap metal places???.
Cheers,
Mark.
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Post by pitciblackscotland on Aug 30, 2013 2:43:36 GMT -5
Ok the engine has finally arrive . I had it balance from Brett Smith a mate of John W. Brett found a crack on one of the blades that went right thew. It might hold but no guarantees how long it will last . I looked around for a new comp wheel they dont make this wheel anymore  . will need to do some more mods to the engine, like the glow plug wire cap needs to be replace and the EGT probe is to short as the new combustor can is a bit bigger so need to extend the probe wire from the circuit board to the EGT plug. Cheers, Mark.    |
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