gear knob thread

Pandora · Post by **Pandora** » Tue Jul 05, 2011 11:08 pm

I'm playing about with my wood lathe and thought I might try knocking up a few gear knobs.

Does anyone know what thread the top of the gear lever has? so I can buy the correct inserts rather than using a 'universal' fit bit of rubber tube.

1071bob · Post by **1071bob** » Tue Jul 05, 2011 11:44 pm

5/16" UNC on all mine.

mk1 · Post by **mk1** » Wed Jul 06, 2011 9:09 am

Corerect 5/16 UNC, only most Mini gear lever knobs had an unthreaded rubber insert in them not a thread as such, I assume this was to reduce vibration, or was more likely just a bit cheaper

.

sandman · Post by **sandman** » Thu Jul 07, 2011 7:15 pm

I thore mine of during a race one... so now I got the alu-type - with the lock-nut in place!

Pandora · Post by **Pandora** » Fri Jul 08, 2011 3:08 pm

having bought a tap set, I'm going to have a go at tapping the hardwood itself rather than using an insert, with a 1/2 nut as a lock below the knob.

who'd have thought the colective nown for gearknobs would be kebab?, as in "ah Dad, I see you've made a kebab of gear knobs" !

Post by **minitravellerman** » Fri Jul 08, 2011 4:08 pm

Nice one - how about simply drilling a small hole in the side of the base and securing using a grub screw?

(some nice designs on your kebab there!)

Giff · Post by **Giff** » Fri Jul 08, 2011 4:19 pm

Could you do a stock Mk1 shaped knob in Derlin and cut a thread in to it?
If so put me down for two...

Pandora · Post by **Pandora** » Fri Jul 08, 2011 4:43 pm

never heard of 'Derlin' what kind of wood is it?

Giff · Post by **Giff** » Fri Jul 08, 2011 5:57 pm

Its a type of plastic thats easy to turn and feels lovely.

Post by **Ronnie** » Fri Jul 08, 2011 6:13 pm

It is I think he means Delrin

Giff · Post by **Giff** » Fri Jul 08, 2011 7:32 pm

LOL cheers thats the stuff!

Its amazing stuff, doesnt feel hot or cold despite the ambient temp.

Would be perfect for competition trunnion bushes too, I really need a lathe..

Post by **YMJ** » Mon Jul 11, 2011 9:20 pm

Yes please!

A golf ball (or possibly a little bigger) sized one in Delrin for me, please!

Pandora · Post by **Pandora** » Mon Jul 11, 2011 9:33 pm

Looking into this stuff, I'm not sure it'll turn by hand, it seems to need a high turning speed, so an engineering lathe rather than a wood lathe I'm afraid

zippypinhead · Post by **zippypinhead** » Wed Jul 13, 2011 3:25 am

Well, if you're going to cut some from Delrin, maybe you could engrave this shift pattern on it:

I figure it would make a great anti-theft device.

Post by **Tim** » Wed Jul 13, 2011 11:50 am

What on earth is that off? You'd have to have your wits about you driving that.

Tim

zippypinhead · Post by **zippypinhead** » Wed Jul 13, 2011 12:22 pm

Tim wrote:What on earth is that off? You'd have to have your wits about you driving that.

Tim

I have no clue what it was from. Snagged the picture off a fleabay auction years ago... unfortunately, didn't see it till after the auction ended. I would've paid silly money for it.

Pandora · Post by **Pandora** » Thu Jul 14, 2011 6:03 pm

pre war MGs are hard enough, with 1st and 2nd where 3rd and 4th 'should be' and vice versa.

but I think i've seen one like the above before, a '70's christmas stocking filler novelty, just like the genuine Arthur Daley motors dealer sticker and tax disk holder that was in my mum's Aqua coloured Mk3 1000 when we bought it.

quality!

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