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by david.anderson
Wed Oct 23, 2019 10:04 pm
Forum: Four stroke
Topic: 1938 square four tank stripe
Replies: 7
Views: 2804

Re: 1938 square four tank stripe

Just found this article by Jerry Mortimer which is consistent with the 38 tank top is as shown on the Danish website
David
Transfers_1931_34.jpg
by david.anderson
Wed Oct 23, 2019 9:27 pm
Forum: Four stroke
Topic: 1938 square four tank stripe
Replies: 7
Views: 2804

Re: 1938 square four tank stripe

I have no knowledge of 38 models, however the Danish website provides the following. the tank top shown appears for 38 only?
David
1938_50_sidepanel.jpg

38_tanktop.jpg
by david.anderson
Mon Oct 21, 2019 9:39 pm
Forum: Ariel Talk
Topic: A real Rariel
Replies: 16
Views: 3896

Re: A real Rariel

The frame certainly looks original rigid HT and the frame is in accordance with the original drawing. I have a copy of that drawing which was provided to me by the late Ralph Hawkins. The original drawing is clear with part no E9/417 (416) (the same fitting used on rigid and plunger frames) being br...
by david.anderson
Sun Oct 20, 2019 7:15 am
Forum: For sale/wanted - Bikes
Topic: 1952 square ?
Replies: 10
Views: 5572

Re: 1952 square ?

There is a lot of that bike missing. No kickstart shaft or gearchange shaft. Is there actually anything in the gearbox? The front crankshaft is missing, enlarge the area around the missing crank end cap. New bolts course thread are holding the engine in the frame, so the engine or part of it has bee...
by david.anderson
Tue Oct 08, 2019 9:41 am
Forum: Four stroke
Topic: Crank pressure relief PCV reed and crank oil seal
Replies: 22
Views: 10264

Re: Crank pressure relief PCV reed and crank oil seal

One of the main causes of oil leaks in a single is excess crankcase pressure. Every time the piston rises 500cc of air is sucked into the crankcase and the crankcase is then pressurised as the piston goes down because the breather is unable to expel all the air. By fitting a reed valve to the breath...
by david.anderson
Fri Sep 20, 2019 5:47 am
Forum: Ariel Talk
Topic: QD hub dismanteling
Replies: 22
Views: 11155

Re: QD hub dismanteling

Vincent
After the work that you have gone to in order to press the hub apart, surely you can now machine a new flange for 36 spokes and press that on. (if you had not have told us we would not have known but now that we know someone will forever be pointing out the error.)
David
by david.anderson
Sun Sep 15, 2019 4:46 am
Forum: Four stroke
Topic: Another Single Cam Thread
Replies: 3
Views: 3145

Re: Another Single Cam Thread

Brian there is nothing to lose in at least trying the 2nd cam. It does have a fairly flat top which is similar to a Senior or Corish cam. Below is first a Senior cam then a Corish cam and 3rd is a master from Corish which has a little more lift than the 2nd cam and is not quite as flat on top. David...
by david.anderson
Sun Sep 15, 2019 4:38 am
Forum: A Bad thing happened to my Ariel
Topic: "That hasn't happened before . . ."
Replies: 24
Views: 12240

Re: "That hasn't happened before . . ."

Like Chris I have found that a previous owner has substituted ¼” CEI for 6mm x1mm metric. The 6mm bolt is only .25mm less in diameter and the threads at 25.4 per inch result in an almost normal feeling fit in the ¼” cei hole. When I first purchased it the point advance mechanism in my commando was h...
by david.anderson
Sun Sep 01, 2019 10:11 am
Forum: Main Chat Forum
Topic: '51 SQ4 - Reproduction Fuel Tank
Replies: 4
Views: 1827

Re: '51 SQ4 - Reproduction Fuel Tank

I would say that is typical of reproduction Indian tanks. I have only ever seen one that fitted. It had been purchased already chromed. The owner then had it painted, and then fitted it to the bike only to find that when he put petrol in, it came out the seams almost as fast as it went in the filler...
by david.anderson
Thu Aug 22, 2019 10:54 pm
Forum: Main Chat Forum
Topic: Which Bronze to use ?
Replies: 28
Views: 4547

Re: Which Bronze to use ?

While off the main subject and on the subject of 3 phase, Charles has mentioned a 3 phase converter. I am currently running my 3 phase machines off a 3 phase converter, and it is something that I would not recommend unless there is no other way. I have several 3 phase machines, the biggest being 7.5...

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