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Messages - Rex

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1
Autojumble / Re: 350 cc side valve JAP engine parts needed
« on: March 15, 2019, 10:14:42 AM »
Each to their own, to me its junk.
At Shepton there was an Ariel Colt  with a modern engine in it, which was neat tidy and roadworthy,

At a run last year someone turned up on an Ariel Arrow with a Honda CD200 engine fitted. Nice job, and you had to look twice to even notice the change.

2
British Bikes / Re: T 100 oil feed return problem
« on: March 14, 2019, 10:11:54 PM »
Looking after some huge four belt driven vent fans many years ago you could see that only some of the four belts were driving and others were running a little slack.
I put it down to manufacturing tolerances in the belt lengths.

3
British Bikes / Re: T 100 oil feed return problem
« on: March 13, 2019, 09:20:19 PM »
Assuming that all three rotate at a similar speed, then no, other than the initial spacing.

4
British Bikes / Re: Leaking primary chain cases
« on: March 13, 2019, 10:58:37 AM »
Clearly so Ian, but for those whose cases may be damaged or who can't be arsed to put the effort in, there is an acceptable alternative.

5
British Bikes / Re: T 100 oil feed return problem
« on: March 13, 2019, 10:56:34 AM »
Maybe not, but the little marks are sometimes visible to the naked eye. A sharp edge will always wear more than a continuous curved ring surface.
It's like so many things in engineering, it's reducing the risk of potential problems by following a simple rule.
In the past, people used to say that to have the gaps in a line would "let the compression escape" which really was tripe.

6
British Bikes / Re: Leaking primary chain cases
« on: March 12, 2019, 12:12:37 PM »
The days of filling the primary (especially on leak-prone tin cases) are over. Just ensure that the clutch bearing(s) are greased and that the primary chain is given a squirt of oil before each trip.

7
British Bikes / Re: T 100 oil feed return problem
« on: March 12, 2019, 12:08:28 PM »
But to minimise any potential localised wear caused by sharp ring ends space then 120' apart.
I always put the oil ring gap at the back and the two compression ring gaps at the front.

8
Autojumble / Re: 350 cc side valve JAP engine parts needed
« on: March 06, 2019, 11:02:15 AM »
The DVLA aren't too bad, the problem will be getting some sort of acceptable dating certificate for it. If the person doing the dating cert makes a big deal of it being non-standard and a recent build then the DVLA can get funny.
Forget the VMCC for a dating cert. When they request pics of the forks, gearbox, hubs etc you know you're knackered from the start..

9
Autojumble / Re: 350 cc side valve JAP engine parts needed
« on: March 02, 2019, 09:37:59 AM »
Agreed. I wouldn't attempt to make something like that without being able to try the thread for fit.

10
British Bikes / Re: Oil
« on: February 22, 2019, 03:51:03 PM »
"Spherol"? It's what I use in the RE box.

11
Autojumble / Re: Sacrificial cylinder barrel wanted
« on: February 16, 2019, 12:24:26 PM »
Like a plain bearing in that it's one lump, but this is a machined steel sleeve with radial holes etc in it. More costly to produce than a roller big end, that's for sure.
I'm far from being anything like an RE aficionado, but those that are speak highly of this design of RE big end. Unlike true plain bearings this one also only receives a dribble of oil, it seems to last though.

12
Autojumble / Re: Sacrificial cylinder barrel wanted
« on: February 15, 2019, 09:49:14 PM »
This model has (what RE referred to as) a "floating bush" big end and caged roller mains.
Must admit I've never seen it criticised...what's allegedly wrong with it?

13
British Bikes / Re: bsa m20 1938
« on: February 14, 2019, 05:36:50 PM »
You have the perfect jig for obtaining the off-set...it's called the frame! ;)

14
Autojumble / Re: Sacrificial cylinder barrel wanted
« on: February 13, 2019, 05:27:55 PM »
I stripped down the WD/CO to find out why the scavenging was so poor. Finally parted the cases about an hour ago to find a thick covering of sludge blocking all the little oil passages that RE liked to use in the sumps of their singles back then. Bits of old long-gone piston, sand and grit etc...a tribute to the toughness of the old girl that she kept on running with the oil system compromised in this way.
Pleasingly the big-end and mains are perfectly useable. :)

15
Autojumble / Re: Sacrificial cylinder barrel wanted
« on: February 13, 2019, 10:57:21 AM »
Yep...it ain't going anywhere!

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