Author Topic: 1951 Royal Enfield Model S S672  (Read 395 times)

Offline cruise98

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Re: 1951 Royal Enfield Model S S672
« Reply #30 on: January 09, 2018, 11:03:19 PM »
1952 RE Model S

Offline R

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Re: 1951 Royal Enfield Model S S672
« Reply #31 on: January 10, 2018, 02:01:54 AM »
and yes alot of books dont mention the export model

I suppose that begs the question - did ANY mention it ?

What now makes it 1952, and not 1951 ?

Offline cruise98

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Re: 1951 Royal Enfield Model S S672
« Reply #32 on: January 10, 2018, 05:17:30 AM »
Made from 1951 1952 1953 mine was sent Western Australia September 1951

Offline cruise98

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Re: 1951 Royal Enfield Model S S672
« Reply #33 on: January 10, 2018, 05:20:48 AM »
Here is a 1951

Offline mini-me

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Re: 1951 Royal Enfield Model S S672
« Reply #34 on: January 10, 2018, 09:55:35 AM »
In 1950 we were exporting anything and everything we could to earn Dollars after the USA dumped us in the crap.

If there was a demand we tried to fill it, but there was also a chronic shortage of materials, power, everything.

There was a big demand from down under for british bikes cars etc, so if  a factory could cobble a number of bikes together, that's what they sent to the other side of the planet, often knowing full well that there would be little or no spares back up or customers complaining at the factory gates.
Same reason a lot of experimental or dead end racing bike projects got shipped out.

debatable ethics but needs must where the devil drives.

Its a mistake to imagine everything made back then was pearl handled hand  made works of art.

Offline cruise98

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Re: 1951 Royal Enfield Model S S672
« Reply #35 on: January 10, 2018, 12:35:46 PM »
Yeah so true i love the bike i know its not so sort after but i dont mind as long as its not a harley i love the brittish bikes

Offline mini-me

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Re: 1951 Royal Enfield Model S S672
« Reply #36 on: January 10, 2018, 12:46:46 PM »
any bike is better than no bike, and even the bottom of the range stuff is part of history.

Offline R

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Re: 1951 Royal Enfield Model S S672
« Reply #37 on: January 11, 2018, 03:53:45 AM »
That brochure pic for 1952 certainly nails the Miller part of the electrics.
Interesting that it mentions a Lucas Magdyno as an option, if you can't make one fit ?

That tank badge looks later though, wasn't 1953 the first year for them. ?
That exact pic is in Gordon Mays' book as a 1954 model.
(noting previously that he has nothing for the Model S for earlier years).

Offline cruise98

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Re: 1951 Royal Enfield Model S S672
« Reply #38 on: January 11, 2018, 12:26:32 PM »
1951 52 53 export model
To change to a lucas there was a list of stuffed ypu had to change including crankcase

Offline cruise98

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Re: 1951 Royal Enfield Model S S672
« Reply #39 on: January 13, 2018, 09:59:18 AM »
Just hoping someone might know im missing the front chain sprocket off this 250cc its it has a keyway and shaft has thread on end and thats about as much as i know


Offline R

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Re: 1951 Royal Enfield Model S S672
« Reply #40 on: January 13, 2018, 10:26:34 PM »

To change to a lucas there was a list of stuff you had to change including crankcase

Thats what i had suspected.
Not a very good strategy by RE, methinks.

Suppose it keeps the deluxe models more exclusive like...

Offline R

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Re: 1951 Royal Enfield Model S S672
« Reply #41 on: January 13, 2018, 10:33:44 PM »
Just hoping someone might know im missing the front chain sprocket off this 250cc its it has a keyway and shaft has thread on end and thats about as much as i know

Have you tried contacting Hitchcocks about this ?
They would be your best hope.
If they have a prewar parts list for an S, it will have a part number, and they can see if they have some, or the specs for having some made. And the nut to hold it on.

If they don't, engineering/agricultural shops keep sprocket blanks.
You'd have to measure the taper angle - they come often in std sizes, not as random as you'd think, and measure the chain size, and have something suitable made up. Agricultural places do this all the time, the price of original farming parts can be absolute murder, but cheap to make up.
The depth of the taper is the only tricky part, and the keyway depth.

Finding an old sprocket someplace would be rather helpful - and the sprockets for the larger cc models are interchangeable to some extent, so maybe the smaller ones are too ?

Offline chaterlea25

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Re: 1951 Royal Enfield Model S S672
« Reply #42 on: January 15, 2018, 09:16:44 PM »
Hi Cruise
Could you measure the radius of the dynamo cradle seating as some Miller dynamo's are/were a different diamater to Lucas,
It might be easier to find a Lucas E3HB than a Miller ?
Some while ago I fitted an Alton (Lucas size 3in.) to a Vincent that originally had a 3 1/2in Miller
Similar to your RE the cradle was part of the crankcase
A conversion sleeve is available for the Vincent's, eccentrically bored so you can adjust the sprocket mesh
It might provide a solution for your RE ????
Have you asked Modak about a dynamo? Lucas or Miller

John