Search found 1085 matches

by Roger Gwynn
Thu Feb 29, 2024 10:57 am
Forum: Ariel Talk
Topic: VHA liner installed
Replies: 18
Views: 803

Re: VHA liner installed

The guy who made the cylinders for John is still making as far as I know.
by Roger Gwynn
Wed Feb 28, 2024 11:46 pm
Forum: Ariel Talk
Topic: VHA liner installed
Replies: 18
Views: 803

Re: VHA liner installed

There should be a gap between the head and cylinder so that the recess in the head clamps onto the top of the flange of the liner. It cannot then move. Ally cylinders always use a flanged liner, sometimes just proud of the top of the cylinder, by .002/.004" and clamped in place by the head as i...
by Roger Gwynn
Tue Feb 27, 2024 10:19 pm
Forum: Main Chat Forum
Topic: Find bike registration details from a frame number
Replies: 21
Views: 744

Re: Find bike registration details from a frame number

Hi Dennis, That frame only appears once in the club's register with a Dennis Thompson as the owner, presumably you! Registration number not given. Even if a dealer were to pre-register, presumably before selling it or used a number from a list of pre-allocated numbers, the factory would not know abo...
by Roger Gwynn
Tue Feb 27, 2024 10:11 pm
Forum: Electrics
Topic: Magneto Magnet strength ?
Replies: 47
Views: 3340

Re: Magneto Magnet strength ?

Yes and I am nowhere near Finland ... or Antarctica
by Roger Gwynn
Mon Feb 26, 2024 6:03 pm
Forum: Member's Bikes
Topic: Hymn to the 1928 Model C
Replies: 200
Views: 24655

Re: Hymn to the 1928 Model C

It should be a steel stamping or forging rather than a casting, so should be OK.....
by Roger Gwynn
Mon Feb 26, 2024 5:59 pm
Forum: Main Chat Forum
Topic: Ariel rally Československo 2024
Replies: 36
Views: 2767

Re: Ariel rally Československo 2024

Best of luck, you will be most welcome.
by Roger Gwynn
Mon Feb 26, 2024 5:09 pm
Forum: Electrics
Topic: Magneto Magnet strength ?
Replies: 47
Views: 3340

Re: Magneto Magnet strength ?

Thank both Shawn and CM, I now have another project on the list.
by Roger Gwynn
Mon Feb 26, 2024 5:02 pm
Forum: Main Chat Forum
Topic: Find bike registration details from a frame number
Replies: 21
Views: 744

Re: Find bike registration details from a frame number

I was once stopped by the police and asked which of the 3 numbers on my bike was the correct one ARI 222, KCH 500 or CRG 531, I replied the one on the only legally required number plate...
by Roger Gwynn
Mon Feb 26, 2024 5:00 pm
Forum: Four stroke
Topic: Balancing individual steel flywheels
Replies: 33
Views: 1544

Re: Balancing individual steel flywheels

Shawn, The Jawa rod is robust and short, uses a needle roller race and is reasonably easily available. I built it into a short stroke crank machined from a billet and use it with a Yamaha high comp piston that is about 9:1 in a shortened Ariel ally cylinder. I beat a SQ4 up to 60 mph on it but trans...
by Roger Gwynn
Sat Feb 24, 2024 1:42 pm
Forum: Electrics
Topic: Magneto Magnet strength ?
Replies: 47
Views: 3340

Re: Magneto Magnet strength ?

Shawn - I would love to hear how you built your charger.