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by nevhunter
Wed Jun 20, 2018 1:28 am
Forum: Main Chat Forum
Topic: Rear stand dimensions for 1950 Rigid Frame.
Replies: 10
Views: 190

Re: Rear stand dimensions for 1950 Rigid Frame.

Agree with John about the material. If it's SG (or nodular iron) it will "weld" OK with nickel bronze as a fill material of high strength, if it "tins" ok. If it's a crap casting it won't be as good a job as if it's good clean metal. Cast metal will be more likely to bend success...
by nevhunter
Wed Jun 20, 2018 1:17 am
Forum: Four stroke
Topic: Brake and clutch lever fulcrum dimensions
Replies: 2
Views: 30

Re: Brake and clutch lever fulcrum dimensions

There are steel ones and brass ones and as you say, a couple of distances.( and slightly different style)s .Give me a little time to dig something out and measure them.. Nev
by nevhunter
Wed Jun 20, 2018 12:59 am
Forum: Main Chat Forum
Topic: Rear stand dimensions for 1950 Rigid Frame.
Replies: 10
Views: 190

Re: Rear stand dimensions for 1950 Rigid Frame.

Upswept piped bikes don't have/need any bend. The 30 model twin pipe has 2 bends so presumably do all other low twin pipers. If the stand is good quality I would spend some time stretching it, as you form the curve. It could be done cold with care over a fair distance say 2.5 inches. You need a lot ...
by nevhunter
Tue Jun 19, 2018 9:38 am
Forum: Ariel Talk
Topic: ‘04 Ariel
Replies: 7
Views: 151

Re: ‘04 Ariel

All very interesting.. Only 114 years ago. Nev.
by nevhunter
Sun Jun 17, 2018 12:39 pm
Forum: Four stroke
Topic: Combined Clutch, Ignition, Decompression Lever
Replies: 4
Views: 178

Re: Combined Clutch, Ignition, Decompression Lever

They are an excellent bit of work easily worth what they cost. AS Lee says they only lack the 'writing". The 'Later" originals are cheap pressings for the levers . If you want absolute authenticity you could swap the levers only but the earlier ones are superior quality. being solid as the...
by nevhunter
Sat Jun 16, 2018 2:43 am
Forum: Main Chat Forum
Topic: SQ4 engine noise
Replies: 6
Views: 274

Re: SQ4 engine noise

It's my understanding that these gears are ground to final size when new as one would expect to get the required accuracy and matched at assembly initially. The cases heat and expand more than the gears so absolutely quiet running is unlikely when the engine gets hot. They include a sound absorbing ...
by nevhunter
Sat Jun 16, 2018 12:58 am
Forum: Four stroke
Topic: JP piston weight reduction
Replies: 9
Views: 330

Re: JP piston weight reduction

If you take your car for a dealer service that is just above 2 hours labour. and it might be an apprentice who leaves the drain plug loose. The weight of the piston is the problem. If we don't pay for stuff no one will make it for us. I've made my own at times, but life is too short to do it all you...
by nevhunter
Fri Jun 15, 2018 9:03 am
Forum: Four stroke
Topic: KH500 oil pressure drop
Replies: 13
Views: 227

Re: KH500 oil pressure drop

Not sure the direction of "wind" of the spring matters. Needs to fit into a light weight welch plug so the spring can't wind past the split pin EVER. You don't need PSI's over 50-60 either. That could overload the skew gear driving the oil pump. Nev
by nevhunter
Thu Jun 14, 2018 12:29 pm
Forum: Four stroke
Topic: KH500 oil pressure drop
Replies: 13
Views: 227

Re: KH500 oil pressure drop

Agreed. If the bearings gone it will knock on load. More likely to be the spring. Need s a mod to stop this happening. Nev
by nevhunter
Thu Jun 14, 2018 10:29 am
Forum: Ariel Talk
Topic: paint and fish oil
Replies: 17
Views: 390

Re: paint and fish oil

A bit more thinners helps to get rid of the orange peel but more likely to get runs. You need the frame on a thingy that rotates it. That helps and you don't miss bits so easily. Nev

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