1946 VH 500 Restoration

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KenS
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Re: 1946 VH 500 Restoration

Post by KenS »

Vincent.vanGinneke wrote: Fri Apr 04, 2025 6:54 am Very nice! I watched the video -thanks for that!- and just enjoyd the ride seeing that headlamp bump up and down!
I could not really make out what the readings were but thats o.k.
You are going to spend many happy miles on the VG. well done!
Thanks Vincent. Yes, The AFR is a bit tough to see due to the angle and the jumpy display attributed to the camera shutter speed. It ranged from a rich 10.5:1 at WOT, 11.7:1 around 50% throttle. The stoichiometric air-fuel ratio (AFR), the ideal ratio for complete combustion, is approximately 14.7:1 for petrol engines. I am using 100 LL aviation petrol and it prefers to run (and smoother) fully advance timing which I set at the recommended 3/8" BTDC. I wonder now of setting it to 1/2" BTC like the VH would work better?
1946 VG 500
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Roger Gwynn
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Re: 1946 VH 500 Restoration

Post by Roger Gwynn »

Oddly my old firm sells semi-fluid grease for old gearboxes, probably the same or similar stuff but not marketed for cotton picking machines as we don't have any cotton picking cotton to pick.
Roger Gwynn, Membership Secretary, curator of the Machine Register and the works drawings. Director of Draganfly Motorcycles, Craven Equipment and Supreme Motorcycles mostly retired.
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fpassmore
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Re: 1946 VH 500 Restoration

Post by fpassmore »

I bought mine from a local John Deere dealership. Good stuff not perfect consistency but damn near.
Frank
'51 SQ4, '56 NH, '56 VH, '37 VH500 Red Hunter, '56 SQ4 (on the bench),'49 Sq4 (basket case), '48 A7 BSA Twin, 10 other BSA's, 7 Norton's, 2 Triumph's, 2 Ducati's and 3 Japanese. Just crazed is all my problem is.
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chris.shearwood
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Re: 1946 VH 500 Restoration

Post by chris.shearwood »

1946 4G and 1951 VH
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KenS
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Re: 1946 VH 500 Restoration

Post by KenS »

This is how my shock absorber looks!
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Worn Shock Absorber
Worn Shock Absorber
1946 VG 500
will_curry
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Re: 1946 VH 500 Restoration

Post by will_curry »

That's a mess.

With everything in place except the spring the sprocket should not be
able to turn freely. Later singles from 1956 had a slightly longer mainshaft
to move the primary drive out to clear the FERC if fitted. One of these
longer shafts in an earlier engine will allow the sprocket to turn freely.
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