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Weight of MM Steering Wheels

Posted: Thu Dec 12, 2019 5:10 pm
by gtt1951
Does anyone have an early Series MM original "brown boss" wheel, minus horn push, that they could weigh (metric)?

I ask as I've just bought a "brown boss" steering wheel, originally off an early MG (?), that is lighter than a "gold boss" one.
The MG one looks identical to the MM one but has slightly more raised "dimples" on the underside (for a better grip on a faster car?)

The central hub has an additional spline cut-out which, when fitted to an MM steering column will not be used (I can take pictures).

Brown Boss wheel weighs 1.280Kg
Gold Boss wheel weighs 1.585Kg.

Thanks in anticipation,

George.

Re: Weight of MM Steering Wheels

Posted: Mon Dec 16, 2019 1:04 pm
by Declan_Burns
George,
My MG TD steering wheel (17") weighs in at 1.356kg without the boss. The MG TD steering wheel is keyed-not splined. I have made a drawing of the steering wheel hub if you need it.
Regards
Declan

Re: Weight of MM Steering Wheels

Posted: Mon Dec 16, 2019 5:36 pm
by gtt1951
Declan_Burns wrote:
Mon Dec 16, 2019 1:04 pm
George,
My MG TD steering wheel (17") weighs in at 1.356kg without the boss. The MG TD steering wheel is keyed-not splined. I have made a drawing of the steering wheel hub if you need it.
Regards
Declan
Hello Declan, I'm sorry, I meant "keyed" with 2 key cut-outs. The Series MM only needs the one.

George.

Re: Weight of MM Steering Wheels

Posted: Mon Dec 16, 2019 5:56 pm
by gtt1951
Here are the images of my "new" MG steering wheel
MG steering wheel.jpg
MG steering wheel.jpg (569.26 KiB) Viewed 608 times
MG Hub keys.jpg
MG Hub keys.jpg (517.89 KiB) Viewed 608 times
MG hub with MM boss.jpg
MG hub with MM boss.jpg (351.55 KiB) Viewed 608 times

Re: Weight of MM Steering Wheels

Posted: Tue Dec 17, 2019 7:39 am
by RobThomas
If the nut hasn't tightened the wheel down onto the taper then that slot wears against the little 'key', hence someone broaching a new slot into the wheel. had to do the same to one of ours. It previously had a noticeable clunk upon turning the wheel. I wonder if the early ones were softer?

Re: Weight of MM Steering Wheels

Posted: Tue Dec 17, 2019 11:42 am
by gtt1951
By the way Declan, that is a very nice looking MG steering wheel and dashboard!
Regards, George.

Re: Weight of MM Steering Wheels

Posted: Tue Dec 17, 2019 2:11 pm
by Declan_Burns
George,
That is an old photo. I have recently installed the refurbished version.
Regards
Declan