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Post by racket on Jan 5, 2019 16:38:27 GMT -5
Hi Aarom
The Garrett GT6041 has ~0.030" radial ( 0.060" diametric) clearane on its 119 mm exducer, you probably need similar 0.030"as an axial clearance at the inducer
Cheers
John
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Post by turboron on Jan 5, 2019 18:17:51 GMT -5
Aaron, 119mm/25.4 = 4.685" diameter for the GT6041. This is 0.030"radial clearance/4.685" diameter = 0.0065" per inch of diameter. As I recall you have a 190mm exducer on your radial inflow turbine so 190mm/25.4 = 7.48" diameter. Using the GT6041 experience this is (0.0065"/"diameter) times 7.48" = 0.048" of radial clearance. As John says you can probably use this number for the axial inducer clearance as well.
Thanks, Ron
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Post by azwood on Jan 5, 2019 19:22:55 GMT -5
Hi Aarom The Garrett GT6041 has ~0.030" radial ( 0.060" diametric) clearane on its 119 mm exducer, you probably need similar 0.030"as an axial clearance at the inducer Cheers John Cheers |
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Post by Johansson on Feb 13, 2019 16:23:41 GMT -5
I hope you don´t think I have choked on a Swedish meatball and passed away, I have been waiting for the rotor to get back from balancing for a month and a half so I have spent my time doing other stuff. But now I can´t wait any longer, if I want the bike to be anywhere near road worthy when summer arrives I have to get busy. Tonight I stripped the frame of the pumps and most of the electronics so I can figure out how to mount the gas producer and how to place the pumps, battery and the 24V regulator.  I will have to find a new place for most of the stuff since I need to free up space in front of the engine for a large volume air intake screen. Cheers! /Anders |
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Post by jetjeff on Feb 13, 2019 16:32:12 GMT -5
Hi Anders,
Funny,,,choked on a Swedish meatball,,,I've been choking on my wife's cooking for 32 years,,,LOL.
I know life/work/family gets in the way of our builds, but I'm still working on mine.
Regards
Jeff
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monty
Senior Member
Currently being spanked by mother nature.......
Joined: September 2018
Posts: 400
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Post by monty on Feb 13, 2019 21:39:52 GMT -5
Anders lives!!!
Send some Swedish meatballs to the balancing guy!
Monty
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Post by Johansson on Feb 15, 2019 17:01:40 GMT -5
Alive and having fun!  |
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Post by Johansson on Feb 20, 2019 11:44:12 GMT -5
Today I turned an exhaust V-band flange with a coned wall as the entry to the interstage duct. I also called the balancer guy and got a promise that the rotor will be done next week.  |
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Post by racket on Feb 20, 2019 18:00:21 GMT -5
Hi Anders
Whats the bore size of the old section ??
Is there any sort of "throat", as I noticed you are using a 4.5" clamp .
Cheers
John
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Post by Johansson on Feb 21, 2019 0:06:14 GMT -5
Hi Anders Whats the bore size of the old section ?? Is there any sort of "throat", as I noticed you are using a 4.5" clamp . Cheers John Hi John, Bore is the same as the exducer diameter, 117mm if I remember correct. No throat at all, the clamp is stretched open a bit. Cheers! /Anders |
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Post by racket on Feb 21, 2019 3:26:20 GMT -5
Hi Anders
Ah , good one :-)
I sorta remember you had issues with JU-01 in that area so felt I'd better check after my problems with a bit of a throat downstream of the exducer on the 12/118 .
Good news here , the rains have finally arrived , the fire restrictions are removed, so maybe a test run for me in the next week
Cheers
John
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Post by turboron on Feb 21, 2019 8:45:31 GMT -5
John, cross all unused digits for the test next week.
Thanks, Ron
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Post by Johansson on Feb 21, 2019 10:59:54 GMT -5
Hi Anders Ah , good one :-) I sorta remember you had issues with JU-01 in that area so felt I'd better check after my problems with a bit of a throat downstream of the exducer on the 12/118 . Good news here , the rains have finally arrived , the fire restrictions are removed, so maybe a test run for me in the next week Cheers John Hi John, I understand your concern, we want a full flowing exhaust for this beast. Great that the weather is starting to get a bit more pleasant over there, best of luck with the test run! Cheers! /Anders |
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Post by Johansson on Feb 22, 2019 17:22:51 GMT -5
A set of steel engine mounts made, they will be welded to the engine cover so it can be rigidly fixed to the bike frame. At the moment I have some flimsy ones made from thin walled steel tubing that these ones will replace.  Cheers! /Anders |
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Post by azwood on Feb 28, 2019 2:39:21 GMT -5
Looking at the new gas producer in place is there enough room for the power turbine and exit pipes or will you move the gearbox back
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