My 4G Restoration Blog

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paul.wirdnam
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Re: My 4G Restoration Blog

Postby paul.wirdnam » Mon Jan 08, 2018 2:44 pm

Bob.Murphy wrote:
paul.wirdnam wrote:Some photos of my Anstey rear end.

Image


The grease nipple on the horizontal casting also feeds grease to the vertical king pin slider - so ensure that the connecting hole is clear. There should be a rivet on the rear face of the kinpin slider that, when removed, allows the connecting hole to be drilled.

You probably know all about that :oops: .

Bob.


Many thanks Bob....and I didn't know that, so I will go off to the garage to check. But there do seem to be various differences as I saw a plunger bike today with no grease nipples on the head of the long through bolt. If you look at my photos, you'll notice that each long through bolt does have a grease nipple on the top....and that the bolts also have a cross drilling (not visible in photo) for the grease to exit into the centre of the tube. And these tubes also have a cross drilling (visible) to allow the grease to exit tube and finally lubricate the bushes for the stirrup.
'28 Model B (project), '30 Model F, '31 SF31, '35 4F, '38 VB (project), '39 4G (project), '46 VH, '48 KG

Paul

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Bob.Murphy
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Re: My 4G Restoration Blog

Postby Bob.Murphy » Mon Jan 08, 2018 11:09 pm

'Cheval' arrived today and having read Will Fletcher's article I should say - that is what I found on my 'basket case' 1953 Mk I Square (which had a Wedgewood blue and white livery hiding under the black paint).

There are probably many variations.

Bob.
My avatar shows the late Len Rich in 1970 with the bike I now have - a 1958 Ariel VH

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Re: My 4G Restoration Blog

Postby david.anderson » Fri Jan 12, 2018 7:40 am

"The grease nipple on the horizontal casting also feeds grease to the vertical king pin slider - so ensure that the connecting hole is clear. There should be a rivet on the rear face of the kinpin slider that, when removed, allows the connecting hole to be drilled".

Actually that is not correct for the earlier, pre 52 anstey plunger which has the guide tube, ie Pauls model. The vertical slider bushes are greased by the grease nipple on top of the plunger unit. The sliding member for these models does not have any drilling and cannot be used on later models unless the drilling is put in and the front of the sliding member plugged. The original post 52 sliding member is plugged with a pressed in plug. Below is a photo of a 1950 plunger frame that I have converted to post 52 Anstey. I have drilled the grease hole through the slider into the guide tube and have then tapped the outer part of the hole and fitted a 4mm screw. See the screw/plug located directly under the grease nipple hole.
It is possible to convert the earlier plunger to the later set up. However there are some minor problems apart from the greasing. The post 52 frame has a recess machined in to the bottom to accept the later top hat. The later guide bar is therefore a little too long and must be shortened a little by turning/shortening a little off the major diameter of the main shaft. Alternately the recess can be machined into the frame.
It is also possible to make the plunger covers from stainless exhaust pipe (as done below), although it does involve resizing both the inner and outer covers a little then polishing.
Paul that looks like a very nice project and will give hours of enjoyment when complete.
David
DSCN1418.JPG

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Re: My 4G Restoration Blog

Postby Bob.Murphy » Fri Jan 12, 2018 10:32 am

Thanks David. I had a feeling that my post was going to be over-simplistic (i.e. Wrong!).

That clears it up.

Bob.
My avatar shows the late Len Rich in 1970 with the bike I now have - a 1958 Ariel VH

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paul.wirdnam
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Re: My 4G Restoration Blog

Postby paul.wirdnam » Tue Jul 31, 2018 10:50 pm

It's been six months since I last worked on this '39 4G....as back in January I had the opportunity to buy a 1930 Model F and I've been enjoying riding that in Banbury and other local veteran & vintage events in this very unusual fine weather. But I'm now back full time on the 4G.

Been checking out the Ansty linkages with their new bushes and spindles...and finding a safe way to get that bottom nut on the long through bolt without launching a coil spring into orbit...and without having to spend time making a spring compressor. Turns out only the bottom volute spring needs to be compressed to get that nut on...and I managed to do that with a ratchet tie-down:

Image

And I picked up some paint today for the wheel rims and tank. As per Paul J's recommendations: Renault Rouge RE705. Not sure when I'll be in a position to use these, but just having the cans feels like progress :roll:

Image

And a shot of me and the Model F with some rubbishy Zenith :lol:

Image
'28 Model B (project), '30 Model F, '31 SF31, '35 4F, '38 VB (project), '39 4G (project), '46 VH, '48 KG

Paul

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paul.wirdnam
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Re: My 4G Restoration Blog

Postby paul.wirdnam » Thu Aug 02, 2018 6:04 am

More work on the mudguards and their stays over the last two days. Under 40 years of multiple layers of paint, they are not in a good shape; the front one being the worse. I have thought about replacing them but together with a MIG welding friend, we're getting there slowly...

As part of checking the straightness and alignment of the rear one, I found myself having to temporarily put the engine and gearbox back into the frame <sigh>. I wanted to ensure that the upper and lower chainguards fitted correctly without fouling the mudguard...and that the rear chain had a straight and clear run.

I already had a restored BA box from my very dormant '38 VB project, so I stuck that in the frame...big mistake. The rear chain sort of lined up but there was no way I could get the clutch on, or get it aligned with the drive sprocket. I puzzled over this for 24 hours, as I was working on the mistaken assumption that all mid 1930s and onwards Ariel BA boxes were the same. Poured over the Drags website and then I found it: "Casings The position of the mounting bosses of the SQ4 gearbox shell is different to the other models in order to move the gearbox sprocket further to the left.".

Nothing for it but to rebuilt the box that came out of the 4G and remove this one that came from the VB. And judging from the photos below, not only are the 4G casing bosses in slightly different positions, but the mainshaft is considerably longer on the 4G box.

Image

Image

And now the clutch sprocket fits correctly and all chains line up. Another lesson learnt...one that others probably already knew :D .

Image
'28 Model B (project), '30 Model F, '31 SF31, '35 4F, '38 VB (project), '39 4G (project), '46 VH, '48 KG

Paul

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Re: My 4G Restoration Blog

Postby paul.jameson » Thu Aug 02, 2018 9:46 pm

That is why the code on the box says 1BAPDH for a single or 2BAPDH for a Square Four. The X in front of the 1BAPDH has another meaning, as explained in recent issues of Cheval de Fer.
Paul Jameson
36 4G, 37 VH, 53 ex ISDT KHA (project), 54 KH(A), Healey 1000/4 (project)
Former Machine Registrar & Archivist, General Secretary and Single Spares Organiser.

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paul.wirdnam
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Re: My 4G Restoration Blog

Postby paul.wirdnam » Fri Aug 03, 2018 9:25 am

paul.jameson wrote:That is why the code on the box says 1BAPDH for a single or 2BAPDH for a Square Four. The X in front of the 1BAPDH has another meaning, as explained in recent issues of Cheval de Fer.

I obviously need to read my Cheval de Fer copies more diligently. It is a shame that the main case doesn't have different markings as the end covers, with the stamped codes, often get swopped around. Off to find out what the X means...
'28 Model B (project), '30 Model F, '31 SF31, '35 4F, '38 VB (project), '39 4G (project), '46 VH, '48 KG

Paul

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Re: My 4G Restoration Blog

Postby paul.wirdnam » Fri Aug 03, 2018 9:44 am

Very interesting article Paul...many thanks. (March & May 2018 issue BTW)
'28 Model B (project), '30 Model F, '31 SF31, '35 4F, '38 VB (project), '39 4G (project), '46 VH, '48 KG

Paul

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Re: My 4G Restoration Blog

Postby simon.holyfield » Fri Aug 03, 2018 10:24 am

paul.wirdnam wrote:
paul.jameson wrote:That is why the code on the box says 1BAPDH for a single or 2BAPDH for a Square Four. The X in front of the 1BAPDH has another meaning, as explained in recent issues of Cheval de Fer.

I obviously need to read my Cheval de Fer copies more diligently. It is a shame that the main case doesn't have different markings as the end covers, with the stamped codes, often get swopped around. Off to find out what the X means...


I worried about that same issue for months. My SQ4 kit of parts appeared to have been mixed up with a KH - the tank was KH (and still is) and the gearbox code fitted a KH. Being naive to Ariels at the time, I had to wait until I could get the frame, engine and rear wheel together (much like the stage you are at now) to find that the only KH bit was the gearbox end cover with the number on it.

Something of a relief - I didn't fancy hunting down a SQ4 gearbox case and mainshaft...
cheers

Simes

'51 Square Four, '58 Huntmaster, '42 W/NG, http://ariel-square-four.blogspot.com


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