New MkIII In The Family

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phil yates said:
One other thing not quite right on my brother's MkIII is the fitting of a 3.50 rear tyre, and front for that matter. Should both be 4.10.
There was a 3.50 front option, but it was listed as a Dunlop ribbed only.
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The original 100% aspect ratio tyres specified for the Commando were: 3.00 front, 3.50 rear.
 
This would be what we in the states call a Crescent wrench. Proper name is adjustable open-end wrench. (In the U.S. I should add)

New MkIII In The Family
 
L.A.B. said:
phil yates said:
One other thing not quite right on my brother's MkIII is the fitting of a 3.50 rear tyre, and front for that matter. Should both be 4.10.
There was a 3.50 front option, but it was listed as a Dunlop ribbed only.
Click to expand...

The original 100% aspect ratio tyres specified for the Commando were: 3.00 front, 3.50 rear.
Click to expand...

Yes they were L.A.B.
But not for the MkIII, which we were discussing.
4.10 front was fitted from Combat on.
 
JimC said:
phil yates said:
JimC said:
At 6.5 posts/day we have a new leader. Hobot, you'd better crank it up.
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What makes you think I am not Hobot speaking English?
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You really don't want to go there with me.
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Where is Hobot anyway?
He's the only guy who makes any sense in here.
I just wish I could understand what he is saying.
 
JimC said:
1up3down said:
a crescent wrench is also called a "monkey" wrench, at least while I was growing up here in the states
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A monkey wrench would be the one on the left. It was used primarily to turn the large square axle nuts on horse drawn wagons. The tapered jaws were to fit inside the wooden hub to access the axle nut. The jaws would actually be inline with the axle as opposed to a right angle.


New MkIII In The Family
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Do not EVER show that weapon to my Jenny!!
The wench (from my tool box) hurts badly enough!!
 
Do not EVER show that weapon to my Jenny!!
The wench (from my tool box) hurts badly enough!!
Click to expand...

Somewhere in the cobwebs of my mind, I seem to recall a famous murder case were the weapon used was a monkey wrench.
 
JimC said:
Do not EVER show that weapon to my Jenny!!
The wench (from my tool box) hurts badly enough!!
Click to expand...

Somewhere in the cobwebs of my mind, I seem to recall a famous murder case were the weapon used was a monkey wrench.
Click to expand...

I think my Jenny saw the same movie.
She also saw Alfred Hitchcock's Psycho, which is why I never take a shower.
Not when Jenny is here!!
 
phil yates said:
Yes they were L.A.B.
But not for the MkIII, which we were discussing.
Click to expand...

I thought you were asking whether a 3.50 could be considered suitable or not? 4.10/90 basically replaces 3.50.

http://www.ebay.com/itm/C1669-AVON-TIRE ... 7675.l2557
4.10 X 19 REPLACES 3.50 X 19
Click to expand...

(Avon Grand Prix were also fitted to some Commandos including MkIII.)

MkIII Riders Manual also specifies "Front: 4.10....or 3.50 ribbed".
 
phil yates said:
L.A.B. said:
phil yates said:
One other thing not quite right on my brother's MkIII is the fitting of a 3.50 rear tyre, and front for that matter. Should both be 4.10.
There was a 3.50 front option, but it was listed as a Dunlop ribbed only.
Click to expand...

The original 100% aspect ratio tyres specified for the Commando were: 3.00 front, 3.50 rear.
Click to expand...

Yes they were L.A.B.
But not for the MkIII, which we were discussing.
4.10 front was fitted from Combat on.
Click to expand...

As L.A.B. correctly stated, original Commando tyre sizes were 3.50 rear, 3.00 front.
They then stepped the front up to 3.50 (I think around 1970, but not sure).
Finally, 4.10 front and rear came with the Combat and stayed there on.

MkIII listed 3.50 front Dunlop ribbed. But I never saw one fitted. Most of us had long
accepted the Avon GP's or Dunlop K81's (TT 100"s) as front tyres.

A very early American road test complained that the 3.00 ribbed front (on early Commandos)
had a tendency to peel off the rim when the bike was ridden over a gutter.
What did he think it was, a bloody scrambler??
 
L.A.B. said:
phil yates said:
Yes they were L.A.B.
But not for the MkIII, which we were discussing.
Click to expand...

I thought you were asking whether a 3.50 could be considered suitable or not? 4.10/90 basically replaces 3.50.

http://www.ebay.com/itm/C1669-AVON-TIRE ... 7675.l2557
4.10 X 19 REPLACES 3.50 X 19
Click to expand...

(Avon Grand Prix were also fitted to some Commandos including MkIII.)
Click to expand...

I wasn't asking anything.
All I said was I would smash a MkIII to pieces if I ever saw one (even someone else's) fitted with a 3.50 on the rear.
I know my tyres and I know what just isn't acceptable!!
 
phil yates said:
I wasn't asking anything.
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OK as it seemed as if you were asking a question (even without a question mark-not everybody bothers)
phil yates said:
Should both be 4.10.
Click to expand...

Had you said: "Both should be 4.10" then I would have understood it to be a statement.
 
L.A.B. said:
phil yates said:
I wasn't asking anything.
Click to expand...

OK as it seemed as if you were asking a question (even without a question mark-not everybody bothers)
phil yates said:
Should both be 4.10.
Click to expand...

Had you said: "Both should be 4.10" then I would have understood it to be a statement.
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That's okay matey,
When they fitted the 4.10 front, some folk felt it deadened the steering somewhat.
Maybe so, but at least you could ride it over gutters with confidence?!!
These things only happen in America, like driving on the wrong side of the road :D
 
phil yates said:
When they fitted the 4.10 front, some folk felt it deadened the steering somewhat.
Maybe so, but at least you could ride it over gutters with confidence?!!
Click to expand...

I know some of our members prefer to fit a 3.60 (or metric equivalent) at the front to lighten steering.

The only time I would normally ride over a "gutter" would be when turning into or out of a driveway.

Perhaps the US term means something different to what we might know in the UK or Aus. as a gutter?

Maybe another one to add to the US - UK terminology list?
 
L.A.B. said:
phil yates said:
When they fitted the 4.10 front, some folk felt it deadened the steering somewhat.
Maybe so, but at least you could ride it over gutters with confidence?!!
Click to expand...

I know some of our members prefer to fit a 3.60 (or metric equivalent) at the front to lighten steering.

The only time I would normally ride over a "gutter" would be when turning into or out of a driveway.

Perhaps the US term means something different to what we might know in the UK or Aus. as a gutter?

Maybe another one to add to the US - UK terminology list?
Click to expand...

I'd guess it to be what we refer to in the U.S. as the curb, the raised concrete some 3-4 inches above street grade.
 
JimC said:
I'd guess it to be what we refer to in the U.S. as the curb, the raised concrete some 3-4 inches above street grade.
Click to expand...

That does at least make more sense ("kerb", Brit. English).
 
JimC said:
L.A.B. said:
phil yates said:
Perhaps the US term means something different to what we might know in the UK or Aus. as a gutter?

Maybe another one to add to the US - UK terminology list?
Click to expand...

I'd guess it to be what we refer to in the U.S. as the curb, the raised concrete some 3-4 inches above street grade.
Click to expand...
Click to expand...

Jim
Yes it was riding over the curb that bothered him. Not riding the Norton on the roof of a house. I don't think he thought of trying that. And I think it was more a concern that the rim would hit the curb, rather than the tyre coming off the rim.

I still have that road test packed away somewhere and will reproduce it if anyone wants. It makes great reading and also includes a test on the Norton Production Racer.
 
I know some of our members prefer to fit a 3.60 (or metric equivalent) at the front to lighten steering.

The only time I would normally ride over a "gutter" would be when turning into or out of a driveway.

Perhaps the US term means something different to what we might know in the UK or Aus. as a gutter?

Maybe another one to add to the US - UK terminology list?[/quote]

I have never fitted a 3.00 front to any of my Commandos but I imagine the steering would be pencil sharp. I had a 3.00 ribbed Avon on my original Dominator. So did the Atlas and it followed through to the early Commandos.

BTW, someone mentioned earlier that his MkIII rear wheel was offset about 1/4" from centre of swing arm.
All Commandos as far as I know had the rear wheel offset by 3/16" to the right.
 
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