1931 Ariel LB

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Bob.Murphy
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1931 Ariel LB

Postby Bob.Murphy » Thu Oct 17, 2019 10:05 pm

A friend (not a club member) has recently acquired this 1931 Ariel LB, 250cc side-valve. It is a nice little bike that goes well and sounds good. It certainly isn't concourse but its all there.

A neighbour, an Electronics Engineer, is attempting to get the '3-brush' dynamo to work. I supplied the wiring diagram from this site ;) .

There isn't a speedometer - so it now has an electronic thing for a bicycle and the oil pressure gauge isn't connected (to what?). The silencer appears to be a 'special', modified to clear the stand.

A fine little bike with potential.

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A couple more pics to follow.

Bob.
Last edited by Bob.Murphy on Thu Oct 17, 2019 10:10 pm, edited 1 time in total.
My avatar shows the late Len Rich in 1970 with the bike I now have - a 1958 Ariel VH
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Bob.Murphy
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Re: 1931 Ariel LB

Postby Bob.Murphy » Thu Oct 17, 2019 10:09 pm

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Any helpful observations would be welcome 8-) .

Bob.
My avatar shows the late Len Rich in 1970 with the bike I now have - a 1958 Ariel VH
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Bob.Murphy
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Re: 1931 Ariel LB

Postby Bob.Murphy » Thu Oct 17, 2019 10:14 pm

Question: What is that threaded Hex fitting that's part of the rear stand (next to the spring attachment) ??

Was there a handle there to help pull the bike back onto the stand ?

Curious :? .

Bob.
My avatar shows the late Len Rich in 1970 with the bike I now have - a 1958 Ariel VH
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john.whiting
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Re: 1931 Ariel LB

Postby john.whiting » Thu Oct 17, 2019 11:27 pm

Id say it was there to limit the stand upward position ,probably to stop it hitting the mudguard,or even to keep the spring taut.....Appears to be brazed on.
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Eero.Korhonen
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Re: 1931 Ariel LB

Postby Eero.Korhonen » Fri Oct 18, 2019 5:37 am

Very nice indeed and original. I would change those red abiko's
to clamp ones with black heat shrink.
Br, Eero
Ariel VH 1954, IZH 350 1962, H-D Sportster Hugger 1992, AOMCC Member 133
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Vincent.vanGinneke
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Re: 1931 Ariel LB

Postby Vincent.vanGinneke » Fri Oct 18, 2019 9:48 am

I am not sure but perhaps the rear lifting 'Y' shaped stays are mounted the wrong way round ?

Nice Ariel ! thanks for showing.
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alan.moore
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Re: 1931 Ariel LB

Postby alan.moore » Fri Oct 18, 2019 9:59 pm

I also think the rear Y stays are mounted wrong, which is why the rear section of the mudguard does not follow the curve of the main section. This image from Drags shows the correct orientation of the Y stay. The vertical one that is fitted to the LB in the photo would therefore go to the hinged section of the mudguard.

30_rigid_.png


Cheers
Alan
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adrie.degraaff
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Re: 1931 Ariel LB

Postby adrie.degraaff » Sat Oct 19, 2019 7:31 am

The stay is the right way for 1931 but it's the wrong stay.
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alan.moore
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Re: 1931 Ariel LB

Postby alan.moore » Sat Oct 19, 2019 8:03 pm

I should have checked before I posted :( , Adrie is of course correct... the 31 LB has a totally different rear mudguard setup to that shown on the Drags site

1931 LB catalogue pic.JPG
1939 VH Redhunter;1942 RN WNG;1951 Triumph 6T Thunderbird;1970 BSA B175 Bantam;1986 Yamaha SRX600 single
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Re: 1931 Ariel LB

Postby Knud.Degnbol » Sun Oct 20, 2019 8:41 am

The cover over the gearbox and the cover in the middle of the clutch dome indicate it as a 1932 model.
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