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Messages - iansoady

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1
British Bikes / Re: V2 Matchless
« on: April 11, 2018, 03:10:54 PM »
Yes, but it's a much better class of nutters here than elsewhere.

2
A small engine re-conditioner - if there are still such places - will advise.



I had my Ariel Arrow rebored by a company called Nametab in Redditch. The owner, Simon Bateman, was very knowledgeable about 2 strokes. If they're local to you maybe worth a visit?

http://www.nametabengineering.com/

3
The amount of time you (and everyone else!) have spent on this, you'd have been better stripping the whole thing and checking crankshaft seals etc. It'll only take an hour at the most to have it reduced to its kit form.

You do seem to be clutching at straws....

4
British Bikes / Re: Norton plunger suspension seized.
« on: April 03, 2018, 12:15:17 PM »
Yes, I think those companies would much prefer manufacturing in large quantities.

Actually, I've looked more closely at my existing springs and have successfully dressed out the minor marks made by my inept angle grinding without thinning the parent metal significantly.

5
Possibly when you close the throttle the mixture is going very rich (high inlet depression sucking excess fuel through). This may be flooding the crankcases hence its refusal to start. Your wet plug reinforces this view.

Why not set the carb so it does have a tickover position (via the cable adjuster if you have nothing else). With a 2 stroke even if you have the right mixture going into the crankcases, what actually arrives at the combustion chamber may be quite different.

And what the bodger suggests makes sense.

Mind you I am by no means a 2 stroke expert......

6
British Bikes / Where to get springs?
« on: April 03, 2018, 10:40:59 AM »
I now need a pair of main springs making. In the (fairly) distant past I've used Paul Savage in Redditch but his phone number is now coming up as unobtainable. Probably he's of an age to have packed it in.

Any suggestions - preferably in Redditch, centre of the spring and needle making world?

7
Sell it to him quick......

Tell him "needs slight adjustment to the timing".

8
British Bikes / Re: Norton plunger suspension seized.
« on: March 30, 2018, 02:26:23 PM »
The recommended Norton technique actually works quite well (long threaded rod) but I had to move the whole lot much further out as the rod had to go up the middle of the bearer rod, which was thoughtfully provided with a through hole at Bracebridge Street. It meant there was only 1/3 or so of the shroud engaging with the frame. I did consider the bedsheet......

Anyway, I've now successfully got the very rusty remains of the rod out of the slider so can start planning the rebuild. Sadly the bearer rod is a bigger diameter than I can get in my Chinese lathe so will need to find a helpful person to make that for me.

I'm so relieved to have managed to get it all apart however.

9
British Bikes / At last some light.....
« on: March 30, 2018, 12:04:36 PM »
Successfully chopped through the bearer bar as the cutting disc just fitted between the spring coils. It was a little fraught getting the remains off as I had to slide the assembly a long way sideways to get my compressor in and I was waiting for the whole lot to take off past my ear.

I now have the remains of the bar starting to move in the slider after a lot of heat and more penetrating oil so am feeling very pleased with myself. As I suspected it's very rusty which is what was seizing it into the slider.

Now all that remains is to get the shroud welded up, get a pair of springs made and to make a new bearer bar. Final photos will follow.

Many thanks to all here for helpful suggestions. Unlike the NOC where I got none.........

10
British Bikes / Re: Excelsior Knee Grips
« on: March 30, 2018, 11:59:37 AM »
Try Jeff Hunter - jeffalanhunter@aol.com

11
British Bikes / Re: Norton plunger suspension seized.
« on: March 30, 2018, 10:18:27 AM »
My local Norton dealer seems to be right out of them but I can make one.

I'll have a go at cutting through it today. If I disappear from the forum I'll have cut through my hand as well........

12
British Bikes / Re: Norton plunger suspension seized.
« on: March 29, 2018, 04:01:22 PM »
Shroud cut (not very elegantly) giving access to the spring. The gap between the coils looks enough to get the angle grinder direct to the bearer rod without cutting the spring (which is a bit frightening given it's under compression). We'll see......


13
British Bikes / Some more progress
« on: March 28, 2018, 11:44:38 AM »
I made a compressor using penny washers and the "correct" old brake rod which I found under the bench.....



In situ with rather rickety spacers on top.



close up of the cut down penny washer.



And the components separated. The main spring is a substantial item......



You can see the build up of rusty muck around the bottom which is what I think is stopping the bearer rod on the other side shifting.


14
Excellent.

15
British Bikes / Re: Norton plunger suspension seized.
« on: March 26, 2018, 10:11:01 AM »
The Norton approved spring compressor is an old rear brake rod(!) with cut off penny washers and wing nuts so I will knock up something similar. The idea is to slide the assembly sideways till the 1/4" rod will enter then tighten it down. What can go wrong?

Getting back to the one which is stuck, no movement. I'm coming to the conclusion that there's a build up of rust on the lower end of the bearer bar stopping it from going far into the slider (although it has moved a couple of inches), and I'm concerned that if I try too hard it may split the slider by the wedging action.

So I'm leaving it under pressure for a few days. If I see no movement I will hacksaw round the top shroud so it drops down and will give access to the top spring. Use an angle grinder to cut through the spring as near half way down as possible (probably finish with a hacksaw taking Rex's warning into account) which I should then be able to wind the top half into the bottom to get access to the top of the bearer rod. Then cut off the top of the bearer rod with the angle grinder, releasing the whole lot.

I'll probably finally withdraw the remains of the rod downwards. In a worst case I'll take it to someone who can bore the remains of the bearer out, or maybe press it (beyond my skills and equipment).

I'll get a pair of springs made using the good one as a pattern (many years ago I used Paul Savage in Redditch and I see he's still around). If I'm careful I should be able to get the top shroud welded back up, and I can make a new bearer rod.

In the meantime while I wait I've pulled the primary drive apart and note that the gearbox mainshaft appears to be bent, along with about 1/8" end float (probably the bronze thrust washer on the sleeve gear). And the clutch centre is badly worn....

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