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About TonyB

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    Lance Corporal

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  1. Just looked at the REME Museum site and promised myself a visit as soon as covid allows. We tried to find some photos of the M9 to no avail, but found some others which are interesting for another thread, so thanks for the nudge. I think the tracks last about 1,000 miles on hard surfaces but cross-country is more interesting. Have fun. I’m enjoying your project and the detail in the pics, well done.
  2. Exactly like that Chris. Late reply because I got in touch with a friend to check on my memory. It concentrated the mind to drive it with that jib up Battersea High Street to Clapham. I thought that high back was kitted out with a wonderful REME workshop (lathe, pillar drill, etc) but my friend said that was an ex-REME Hippo from the same time. Happy days.
  3. So right Chris. When it comes down it, most of these vehicles are extremely fit for purpose which made them life savers under fire. I drove and worked on an M9 (I think) with a sheerlegs crane fitted to the front for RR Services years ago. REME, I think. I have a small military Turfa winch from those days which is useful for pulling heavy things into place and warms you up on a winter’s day. Good luck with a great vehicle,
  4. Thanks for posting this thread and pics Chris, it has been very helpful for my Kegresse rebuild. And inspirational because I’ve been freezing my bits off in the garage working out problems. Olyslager’s Half-tracks book explains how the US Army acquired a Citroen Kegresse P17 in 1931 and by the end of 1932 Cunningham’s had delivered a continuous rubber band tracked vehicle which was developed into the M2 by 1939. I’m sure everyone knows all that, but seeing inside your vehicle shows how much it is like my P10 but on steroids and sort of streamlined. A great thread.
  5. FWD? Front wheel drive? and it’s begging for some armour and a maxim or a 2 pound anti-tank gun. I’d buy one just for shopping locally.
  6. Aha, that explains the threaded tube inserts. I thought they might be dummy spark plugs or something to protect or prevent stuff falling into the head. And, of course, why they are called core plugs, which I only know as tap in blanks. Each little job completed progresses the final project, I’m looking forward to your post of the engine’s first run up. I suspect Mr Malenik would enjoy what people on this site do in their home workshops, have a look at the Czech bikes he built from photos. Meanwhile I did only 4 tons of floor this week. After losing my voice last weekend I’m taking lime po
  7. There was a U23 French army lorry for sale in Bognor recently at what seemed a good price. It has probably gone but the seller might have or know of bits for sale or have contacts for that vehicle. I just looked it up, daveateastlake@gmail.com (07931433151) Good truck, good luck.
  8. Those seals are a good find Alastair. It’s the best feeling when a search for an obscure part results in the discovery of dedicated and helpful people, and Newcombe’s sounds exactly that. One thought, if the plugs hold the spark plugs would the thickness of the new seals affect the reach of the spark plugs? Or is there enough turbulence in a combustion chamber of that era to render that degree of accuracy pointless? I’ve managed to mix and lay about 5 tons of floor this week and inhaled enough lime dust to kill any virus around. I wish I had my Kegresse running to haul stuff around. But s
  9. Thanks for the description of the Renault timing mechanism Alastair. While modern adhesives and materials have replaced the keyways and machining of early engines like yours, it is always a joy to make them work. My flywheel has top and bottom dead centre marked but it isn’t keyed to the crankshaft, plus it has ROA and RFA??. Stuff gets in the way, like your fence painting I have several tons of floor to put in and our local labourers have `gone Covid`. That seems to mean they aren’t available or cost twice the price, so I’m chugging away at it with little time for anything else. Regardi
  10. Solid work, Alastair.. I think that I have built three part engines in most ways over the years, and once in the vehicle because I didn’t have a hoist to lift the complete engine which was too heavy to lift in by hand. Pros and cons for each method. I would have liked to see the timing cogs, were they marked? And, given your skills, where are the elegant feet for your cunning engine stand?
  11. Good work Alastair, and a good read. Cast iron pistons? I had to choose whether to use the original CI pistons or later aluminium ones. Everyone told me to use the ali ones but I wonder. My little 1400cc Citroen engine has bronze mains and big ends so it was set up for the heavier CI kit, plus a mighty flywheel. My CI pistons have three wide rings too which I believe conduct the heat from the piston crown efficiently to the block and its coolant. They also fit more snugly because they expand at the same rate as the block, unlike ali. Power to you elbow.
  12. Citroman, I think I read they stopped fitting them to cars in 1928. But the after-market fitted standard difs so it was a joy to open this one. It had very little wear. Have you had to open the ones on any of your cars?
  13. I see why you are interested in difs if you run a Stalwart, B series. And all those marvellous Tracta joints. But as you said in the first place, it’s the setting up to cut the chevron gears a hundred years ago which inspires respect for me. There’s lots printed about the values of that type of gear which explains both the cutting and the application better than I can. I think both your points are valid, I just scratched my head and put it back together. Probably Andre Citroen was enjoying the company of other engineers, (Salomon, Mors, Hinstin…) in a fast developing industry. I looked up
  14. They are a work of special engineering which I enjoy finding B series. I set it up using marking blue. I suppose Citroen used them on their small cars because they could, they had the patent and the kit. I believe their real value is transmitting power with heavy power loads, mills, pumps, and the steering gear on the Titanic I read.
  15. That’s a good point about the different French calculation which I had forgotten. I just checked another source which said the Type OX 100 x 160 (1600 rpm) was 20 CV, but that was used from 1926 for the trans-Saharan transport and they called it a monoblock engine. In 1922/3 they used the 10HP HP and perhaps called it an MH. But what is interesting for me is to see your engine being rebuilt and how different the Renaults were from the Citroens in the desert at the time. Your work does you credit, great pics.
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