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Turbo plug heads

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Re: Turbo plug heads

Post  crankbndr on Mon Jan 09, 2017 8:41 pm

Nice work! Even got one for the Pee Wee. Pretty cool!! Greenies for your craftsmanship.
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Re: Turbo plug heads

Post  ian1954 on Tue Jan 10, 2017 3:59 am

Both items in the drawing are D bits and they are used as both drills and reamers. They are lathe tools and don't need much of a cutting edge.

For aluminium you probably would not need to harden and temper the bit.

Here is a DIY creation



And a more professional creation



The reamer with the two points - I have several versions of this is used to bore venturis following a small pilot hole. The other opens up a crankcase again following a pilot hole.
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Re: Turbo plug heads

Post  Surfer_kris on Tue Jan 10, 2017 12:22 pm

Yes, everything seems to be on youtube these days, but it doesn't mean that it is any good. Seems like he made it the wrong way around for a regular turning lathe... lol!
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Re: Turbo plug heads

Post  ian1954 on Tue Jan 10, 2017 12:42 pm

Surfer_kris wrote:Yes, everything seems to be on youtube these days, but it doesn't mean that it is any good. Seems like he made it the wrong way around for a regular turning lathe... lol!

When he was using it the lathe was running in reverse. Not something I would recommend as on my lathes the chuck is screwed on and could easily loosen.
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Re: Turbo plug heads

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