blakep82
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| posted on 11/1/10 at 03:46 PM |
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axle breathers, thread tapping and taper threads
can't remember if i've asked any of these beofre, but my subscribed threads still crashes my PC for some reason 
anyways,
need to put a breather in my axle. i could put it in the dif cover, but putting it in the axle would really be better.
questions:
1) places like gartrac put them in the diff casing itself. would drilling the axle tube weaken it at all? the tube must be about 10mm thick, and cost
me a LOT to build so far (must be about £1000, so i don't want to ruin it now)
so is it safe to drill the tube and put it there?
2) how to fit a hose barb? weld or drill and tap?
3) if drill and tap is probably better, if i'm tapping a taper thread (most hose barbs seem to be taper thread) is there anything special about
drilling? or is it just a normal drill i use?
i think i've got a hose barb in the garage, brass it is, that should be fine shouldn't it?
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Mal
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| posted on 11/1/10 at 09:17 PM |
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Its acceptable, and common, to tap a parallel BSP female thread and use a male taper threaded fitting.
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Chippy
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| posted on 11/1/10 at 10:42 PM |
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I would say that idealy the breather should be fitted to the diff casing, and as high on that as is possable, and then extended as long as possable
upwards. IMHO Cheers Ray
To make a car go faster, just add lightness. Colin Chapman - OR - fit a bigger engine. Chippy
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