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Old 15-11-2012, 04:15 AM   #1
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Key West

Twisted Kilt had a very expensive end to their racing...... they had a spin out during sunday's final, not sure what happened mechanical failure caused the spin out or the spin out caused the mechanical failure, either way the arneson drives are maybe not as bullet proof as everyone thought....

Peter
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Old 15-11-2012, 09:17 AM   #2
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Looks like the casting failed - as far as I am aware that is rare and I for one will take their reliability record over most other drives!
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Old 15-11-2012, 09:57 AM   #3
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Yikes.. thats a nice rusty looking UJ.. looks like a larger version of the UJ that blew out on my mates car after the bearing disintingrated due to lack of grease.. wonder if there was any lube left in the UJ bearing?
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Old 15-11-2012, 10:18 AM   #4
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Peter,
Even the Arnesons break when run dry...
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Old 15-11-2012, 02:49 PM   #5
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Looks like the casting on the other drive broke too?
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Old 15-11-2012, 06:19 PM   #6
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what about photos of all the mercury drives and ilmor drives in kw
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Old 15-11-2012, 09:30 PM   #7
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No. Arnesons do not break. Like Ilmors and other drives...

Talked to Rik at Arneson:

They put larger diameter cylinders onto this boat, 75 mm vs 50mm and when the drives are steer'd fully over the cylinder made contact with the aft edge of the socket housing and cracked it at the boot line.

Should have made a 25mm spacer for the steering bracket on the box to clear the cylinder from the socket housing.

The team won the Championship and the Worlds with no problems. Sometimes new things cause new problems. Customer is very happy regardless.

Two new socket housings, a few bearings and the u.j. parts and its back together.
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