I can't find it in a dictionary. Are synchromesh gears still made out of the stuff? It is (was?) a composite material designed to pulverize when worn out or faulty instead of breaking-up and ruining the rest of a transmission.
2006-11-06 08:43:29 · 5 answers · asked by Anonymous in Cars & Transportation ➔ Maintenance & Repairs
R1volta sounds too knowledgeable to be anything but authentic.But R1 - you didn't corroborate or debunk my detail about synchromesh gears. I might have added that I refer to specificaslly a '34 Caddilac.
So I'll leave this up to vote - a particularly apt opt on the eve of Election Day, right?
2006-11-06 16:49:11 · update #1
Jeezuzz! I really do know how to spell 'specifically', honest.
2006-11-06 16:55:26 · update #2
At the Nov 7 polls vote the least bad options, please.
2006-11-06 16:57:26 · update #3
Synchromesh "teeth" are made from brass. It is soft enough not to damage steel gears.
2006-11-06 08:49:52 · answer #1 · answered by Lab 7 · 1⤊ 0⤋
Babbitt metal, also called white metal, is an alloy used to provide the bearing surface in a plain bearing. It was invented in 1839 by Isaac Babbitt in Taunton, Massachusetts, USA. The term is used today to describe a series of alloys used as a bearing metal. Babbit metal is characterized by its resistance to galling.
Common compositions for Babbitt alloys:
90% tin 10% copper
89% tin 7% antimony 4% copper
80% lead 15% antimony 5% tin
Originally used as a cast in place bulk bearing material, it is now more commonly used as a thin surface layer in a complex, multi metal structure.
Babbitt metal is soft and easily damaged, and seems at first sight an unlikely candidate for a bearing surface, but this appearance is deceptive. The structure of the alloy is made up of small hard crystals dispersed in a matrix of softer alloy. As the bearing wears the harder crystal is exposed, with the matrix eroding somewhat to provide a path for the lubricant
2006-11-06 16:48:33 · answer #2 · answered by R1volta 6 · 0⤊ 0⤋
Babbitt ( and I am not sure of the spelling) was a lead that was used on connecting rods and journals. I remember it as a lead type metal that was used on rail car journals. That would pulverize as worn and not cause major problems to other parts. I think Yamaha used it on their 750's back in the 70's. I know the old cars used them on their connecting rods.
2006-11-06 16:53:15 · answer #3 · answered by Thomas S 6 · 0⤊ 0⤋
Bronze (coper, tin, and sometimes other metals) was what synchros used to be made of. Babbit (lead and tin) was used for bearing inserts like for connecting rods and main crankshaft bearings.
2006-11-06 16:55:09 · answer #4 · answered by Mikel 4 · 0⤊ 0⤋
babbit is the main backind material on rod and main bearings in the engine
2006-11-06 16:48:04 · answer #5 · answered by doug b 6 · 0⤊ 0⤋