K1100 16V Turbo build...now transmission build.
Turbo Mini Forums

http://en.wikipedia.org/wiki/Aluminium_alloy

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM

Cheers robert. Looks lke 6000 series will do the job nicely.

Ive started chopping the front section of the box out that we discussed. Im amazed how thin the centre web is in place 3-4mm!

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1/4mile in 13.2sec @ 111 terminal on 15psi

Maty , please note that once welded the 6082 will have lost a great deal of its mechanical strength as it will have affectively been anealed with all the heat from welding, thats not to say it won't be just fine , it just won't be the aluminum you think it is,

some 7000 alloys age harden better after welding


carl

On 7th Oct, 2011 matty said:
Cheers robert. Looks lke 6000 series will do the job nicely.

Ive started chopping the front section of the box out that we discussed. Im amazed how thin the centre web is in place 3-4mm!

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Mat I love the ur "dive straight in" attitude !
I will deffo steal all ur idea and try this sometime in the distant future !
Keep the updates rolling in.

"So wat we gonna do tonight Brain?"
"Same thing we do evernight Pinky!"
"Try to take over the world!"

Carl - Do you think I'd be better off with something like 7075?

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1/4mile in 13.2sec @ 111 terminal on 15psi

When do we get to see some Olympic chain drilling?

Ah well there has been plenty of drilling!

I had a couple of hours in the garage today, and made some good progress with stripping the bulkhead ready for some repairs and modifications.

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1/4mile in 13.2sec @ 111 terminal on 15psi

heres the 500 box matt ,its a fair bit smaller id guess ...

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM

still ooks quite chunky though,

How much does that bearing on the tp right look like the mini one!

Its very close!

The bearing looks the same as the one in my set, its only a couple of mm bigger than the mini one.

Any chance you can measure the centres, at least that'll give me something to compare mine to.

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1/4mile in 13.2sec @ 111 terminal on 15psi

Actually if you measure the dia/width of the gears on the mainshaft I'll measure mine, they could be the same.

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1/4mile in 13.2sec @ 111 terminal on 15psi

ok ill do that now matt which ones the mainshaft ?

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM

How about the two ends ones and the 3rd from the left as they are easiest to measure?

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1/4mile in 13.2sec @ 111 terminal on 15psi

centres approximately 59.60mm

biggest gear on the lhs end of shaft to the sprocket is 15.75 mm wide and 91.63 in diameter .

3rd one from left is ,72.4 mm dia 12 mm wide

rh end one is 13.2mm wide and 82.74mmdiameter .

big bearing 61.96mm
big bearing on clutch shaft is 51.96mm.

Edited by robert on 17th Oct, 2011.

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM

Ive just measured the larger gear and its 15.3mm wide and 91.22 dia (37teeth). Bearing sounds like it is the same size.

I'll have a measure up of the other gears tomorrow.

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1/4mile in 13.2sec @ 111 terminal on 15psi

The chopping continues....

Ive got about as far as I can without the angle grinder. But not bad for an hours work. lol

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1/4mile in 13.2sec @ 111 terminal on 15psi

Fuck me! thats a bit serious

You can now use the turbo manifold to toast your crumpets whilst driving.

Out of interest why are you changing the front bulkhead? As every fits with the old one & I can't see how it effects the gearbox, or are you planning on changing the exhaust manifold & turbo whilst you're at it?

The main reason im changing it, is to try and tidy everything up, so I can work on things easier.

And partly because in my youth, I bodged the hell out of fitting the weber box and drilled lots of holes for various things that look awful, and bug me everythime I lift the bonnet. lol

Its also going to make it easier to fit my dash mounted shifter.

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1/4mile in 13.2sec @ 111 terminal on 15psi

Robert gears measure:

largest gear on the left 91.22 dia, 15.3mm wide

3rd gear in 83.9mm dia, 13.7mm wide

gear on the right 92.2mm dia, 13.4mm wide

So looks like they are close, but not exactly the same.

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1/4mile in 13.2sec @ 111 terminal on 15psi

Bulkhead is pretty much ready for the new panels to be welded in, just some tidying up some of the edges and some spot welds to grind down now.

Edited by matty on 18th Oct, 2011.

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1/4mile in 13.2sec @ 111 terminal on 15psi

just to put these on the same post ,,

my cb500 twin box ......

centres approximately 59.60mm

biggest gear on the lhs end of shaft to the sprocket is 15.75 mm wide and 91.63 in diameter .

3rd one from left is ,72.4 mm dia 12 mm wide

rh end one is 13.2mm wide and 82.74mmdiameter .

big bearing 61.96mm
big bearing on clutch shaft is 51.96mm.

On 18th Oct, 2011 matty said:
Robert gears measure:

largest gear on the left 91.22 dia, 15.3mm wide

3rd gear in 83.9mm dia, 13.7mm wide

gear on the right 92.2mm dia, 13.4mm wide

So looks like they are close, but not exactly the same.

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM

teeth comparison ,ms layshaft ...

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM

Unfortunatetly not much progress with the box. Hoping to get some more done on it next week.

The shell is looking better now though. Just a few closing panels to weld in, and the bulkhead is finished.

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1/4mile in 13.2sec @ 111 terminal on 15psi