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by Bob.Murphy
Thu May 23, 2019 10:01 am
Forum: Four stroke
Topic: So it begins
Replies: 25
Views: 423

Re: So the resurrection begins

Look at all that SPACE :o .

Give it time . . . I have a very large Garage/Workshop/Storeroom block but after 31 years its full of 'stuff' and I have no room to lay out anything :D .

You're getting there . . We're all waiting to see the cranks ;) .

Bob.
by Bob.Murphy
Thu May 23, 2019 9:49 am
Forum: Four stroke
Topic: So it begins
Replies: 25
Views: 423

Re: So it begins

Thats more like solid dirt than sludge.....sometimes the stuff is so hard packed ,you need a drillbit to get the bulk out.......... on to the cranks. It starts off as sludge, then gets compacted and solidifies :roll: . The crankshaft traps will be interesting. RE. the cut marks - they appear to be ...
by Bob.Murphy
Wed May 22, 2019 11:16 am
Forum: Two stroke
Topic: A question on ignition timing methods
Replies: 6
Views: 156

Re: A question on ignition timing methods

Its only 20 degrees before TDC when the engine is turning forwards.

If it kicks back a full revolution the ignition will be triggered by the other side of the cam/magnetic pick-up. Lord knows what that gives in terms of 'before TDC' in reverse but it seems to work :lol: .

Bob.
by Bob.Murphy
Wed May 22, 2019 11:11 am
Forum: Four stroke
Topic: Side stand for NH
Replies: 5
Views: 136

Re: Side stand for NH

My '53 Square Four had that silly little stump of a sidestand that was very close to the centre line of the bike, this gave it tremendous leverage. On a warm day it could punch a hole in the tarmac (I was lucky, I saw it move and ran and caught it before it toppled). The sidestand on my '58 VH is fi...
by Bob.Murphy
Wed May 22, 2019 11:02 am
Forum: Four stroke
Topic: So it begins
Replies: 25
Views: 423

Re: So the resurrection begins

When I saw the picture of your rocker gear I thought - "That doesn't look good, there'll be sludge in there".

I think you will find the crankshaft sludge traps pretty well choked!

Good decision 8-) .

Bob.
by Bob.Murphy
Wed May 22, 2019 10:47 am
Forum: Main Chat Forum
Topic: What is the best setup for brazing/heating
Replies: 21
Views: 416

Re: What is the best setup for brazing/heating

One thing hasnt been mentioned is the old carbon arc torch.....the type with two carbon rods ,and a thumb controll of the gap..... I actually have one, never tried it.... I've seen pictures of them being used to weld cast iron ......one of these days. I've got one of those - it came with the cheap ...
by Bob.Murphy
Mon May 20, 2019 10:11 am
Forum: Four stroke
Topic: So it begins
Replies: 25
Views: 423

Re: So it begins

That's a very nice looking bike. BUT..... (you know what's coming next ;) ). Unless you are ABSOLUTELY sure that its been done . . . Strip the motor down and clean out the crankshaft sludge traps. I used to strip my motor annually for this purpose - and I always changed the oil at 1,000 mile interva...
by Bob.Murphy
Mon May 06, 2019 10:20 am
Forum: Ariel Talk
Topic: Prewar Ariel pictures
Replies: 11
Views: 343

Re: Prewar Ariel pictures

john.mitchell wrote:I suspect he is posed. Is that a left foot on the road we can see?

The line certainly doesn't look right. At first glance I thought he was washing out the front and about to deck it !

Bob.
by Bob.Murphy
Fri May 03, 2019 9:57 am
Forum: Two stroke
Topic: arrow wiring
Replies: 8
Views: 274

Re: arrow wiring

Let us know how you get on.

This won't be a million miles from the two Triumph Tiger Cubs I'm restoring . . . Hence my interest ;) .

Bob.
by Bob.Murphy
Thu May 02, 2019 10:46 pm
Forum: Two stroke
Topic: arrow wiring
Replies: 8
Views: 274

Re: arrow wiring

This was posted here by Roy Brown last November. It is for a Negative Earth bike with a solid state Rectifier/Regulator that has been converted to 12 volts (two of the Alternator outputs are ganged together). Is this how you have wired your Arrow (ignoring the conversions if appropriate) ?? Ariel Ar...

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