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by Pete.Silson
Sat May 19, 2018 8:15 pm
Forum: Ariel Talk
Topic: Dynamo question, ‘39 NH
Replies: 7
Views: 526

Re: Dynamo question, ‘39 NH

Phil

The second brush should be connected to the dynamo body (earth) - see picture.

dynamo.JPG

Pete
by Pete.Silson
Sat May 19, 2018 5:15 pm
Forum: Four stroke
Topic: Petrol Tank Badge Removal
Replies: 5
Views: 465

Re: Petrol Tank Badge Removal

Paul, Alan,

I eventually used a combination of the two methods - a small gas flame and a solder sucker - which worked perfectly. Thanks for the advice.

Pete
by Pete.Silson
Fri May 18, 2018 8:16 pm
Forum: Four stroke
Topic: Petrol Tank Badge Removal
Replies: 5
Views: 465

Petrol Tank Badge Removal

I need to remove the enamel badges from this petrol tank. I believe there are two small screws under the solder blobs but I don’t want to apply too much heat and damage the badges any more than they are already. Advice welcome please on the best way to do this.

Thanks in advance, Pete
by Pete.Silson
Thu May 17, 2018 11:21 am
Forum: Four stroke
Topic: Correct number plate for 4G
Replies: 3
Views: 346

Re: Correct number plate for 4G

Thanks for the replies. I found article by Alan Moore very informative however I am not sure I would have the patience to build one from scratch like that. The frame and engine I have are definitely 1939. The rear mudguard (pictured below) looks Ariel to me but the hole spacing doesn’t seem to match...
by Pete.Silson
Wed May 16, 2018 7:05 pm
Forum: Four stroke
Topic: Correct number plate for 4G
Replies: 3
Views: 346

Correct number plate for 4G

DSCF1756.JPG This is the number plate that came with my 1939 4G basket case. The rear mudguard appears to be original Ariel but the number plate doesn’t look like the drawing in the parts lists. Is this is a correct style plate for an Ariel of that era? Also what type of tail light should be fitted...
by Pete.Silson
Tue May 01, 2018 10:46 am
Forum: Four stroke
Topic: Bits and bobber?
Replies: 2
Views: 336

Bits and bobber?

This just popped up on eBay: https://www.ebay.co.uk/itm/ARIEL-SQUARE-FOUR-1948-Bobber-Cruiser/192524453893 It appears to be a Mk1 with iron barrels and head. I didn’t know this was possible. Do you just remove four of the mounting studs and bolt on the complete iron top end? Also can it be done the ...
by Pete.Silson
Wed Apr 25, 2018 10:01 am
Forum: Ariel Talk
Topic: Stripping NH tele forks
Replies: 2
Views: 359

Re: Stripping NH tele forks

Phil The BSA fork legs are the same as (copies of) the Ariel ones and the BSA tool can be used on both. The document repository has a guide "1946 Telescopic forks" which covers stripping and replacing seals, bearings etc. Each leg should be refilled with 213cc (7.5floz) SAE 30 {BSA Service...
by Pete.Silson
Sun Apr 15, 2018 2:22 pm
Forum: Four stroke
Topic: Small end bush interference
Replies: 1
Views: 197

Small end bush interference

I am replacing the small end bushes in a set of Mk1 Square four conrods. I assume that I need to heat the rod and freeze the bush when I press them in but how tight should the bushes be in the conrods? The new bushes from Draganfly are larger OD (by 5 thou or so) than the old ones and this would see...
by Pete.Silson
Sat Apr 14, 2018 12:52 pm
Forum: Four stroke
Topic: 4G SQ4 exhaust pipe clamps
Replies: 7
Views: 522

Re: 4G SQ4 exhaust pipe clamps

The 1939 parts book lists three exhaust clamps: 1. 6061-33 Exhaust pipe to head joint; 2. 6064-29 Silencer to exhaust pipe joint; 3. 6066-29 Branch pipe (interconnected system). The finned exhaust clamp in the attached picture is, I believe, an original 6061-33 used up to the war on the 4G. It has a...
by Pete.Silson
Fri Apr 13, 2018 7:48 pm
Forum: Four stroke
Topic: 4G SQ4 exhaust pipe clamps
Replies: 7
Views: 522

Re: 4G SQ4 exhaust pipe clamps

John

The attached picture is from a 1946 4G as found (last used on the road in 1954). I am pretty sure these are the original clamps from 1946. The same ones are used on the silencers.

Pete

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