and what did you get in the mail today?
TyeDyeBug:
Quote from: restojohnny on July 02, 2013, 03:22:33 am
Scored another original magnesium BRM :)
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old crustation at its finest ;D looks good johnny!
hotrodsurplus:
Quote from: restojohnny on July 02, 2013, 03:22:33 am
Scored another original magnesium BRM :)
I hate it when people rain on parades like I'm about to do but that's a death wheel. The extent of that white fuzz indicates extensive pitting deep within the wheel that can propagate a nasty crack.
I just went through dirty-mag hell with a Halibrand at Lonnie Gilbertson's shop. He's one of the few people who welds mag wheels. Even though the extent of the pitting wasn't terrible on this wheel parts of it pretty much evaporated as he welded. I took this photo after the second process of digging out pitting, piling in weld, and turning down most of the beads. The pock marks result from magnesium oxide expanding deep within the wheel when superheated. We gave up at this point and that's a very desirable early 16x5 non-vented wheel.
There's no reason to fear good, non-oxidized magnesium but that wheel has danger written all over it. Mag is one area where crust is definitely not cool. Proceed with great caution. That fuzz is like the tip of the iceberg and a wheel with that much damage could hurt someone badly.
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draven898:
an auto meter magneto tachometer !
restojohnny:
Quote from: hotrodsurplus on July 02, 2013, 08:08:09 am
Quote from: restojohnny on July 02, 2013, 03:22:33 am
Scored another original magnesium BRM :)
I hate it when people rain on parades like I'm about to do but that's a death wheel. The extent of that white fuzz indicates extensive pitting deep within the wheel that can propagate a nasty crack.
I just went through dirty-mag hell with a Halibrand at Lonnie Gilbertson's shop. He's one of the few people who welds mag wheels. Even though the extent of the pitting wasn't terrible on this wheel parts of it pretty much evaporated as he welded. I took this photo after the second process of digging out pitting, piling in weld, and turning down most of the beads. The pock marks result from magnesium oxide expanding deep within the wheel when superheated. We gave up at this point and that's a very desirable early 16x5 non-vented wheel.
There's no reason to fear good, non-oxidized magnesium but that wheel has danger written all over it. Mag is one area where crust is definitely not cool. Proceed with great caution. That fuzz is like the tip of the iceberg and a wheel with that much damage could hurt someone badly.
[ Attachment: You are not allowed to view attachments ]
No raining on my parade buddy because I agree with you 100% the white stuff on this wheel though is actually calcium and the wheel is encased in it I sand blasted alittle bit of it and it's nice under there and I pressed the lug inserts out also with ease and they look solid through the wheel also and it didn't crack like the other brm's that I've had that had pitting deep in the wheel as you have said. Gonna get it media blasted this week and there are a few pit's but only on the edge of the wheel where it sat on the ground from being on the side of the guy's house in Hawaii on the beach and that's an easy fix as I've had many brms repaired that were much much worse. But I wouldn't sell this wheel to anyone stating that it is a useable wheel though as I wouldn't want anyone to get hurt either. I intend to use it for my other projects I have in my stable ;).
.:
A mint pair of vintage Empi / Lee Eliminators bell bottoms !
:)
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