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HBBates

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  1. The wing root fairing was replaceable so. doesn't necessarily correspond as a given that an early product aircraft would have it entire life The early product aircraft that may of left the factory with the smaller original root fairing could (and would) have the later larger fairing fitted... The larger fairing was a needed aerodynamic fix If you at photod of early cu you will see some retrofitted with the larger one than you can see it by the mismatch panels Dana Bell saw the smaller fairing in photos of the early cu and then did the research to find the documentation. .. If I recall it was a fix for a stall issue So the serial number is not a predictor of seeing the smaller versus larger fairing...it's the time of the photo.
  2. Hello all A few years back I got know one of the major P40 /Tomahawks rebuilder and got to go through his recovered parts pile.(Two cargo containers worth of recovered parts and skins. Photos above are some of the parts that we pulled out into the sunlight so I could photograph) So I did get to see in person the skins of one of the Tomahawks, recovered from Russia some years back. It was in the Curtiss applied "RAF paint". I also got small samples of the skins in the Dark Earth, Dark Green and, Sky ... Bottom line.. in person ...to me.. the underside color on a large surface clearly looks like the du pont sky color with the green tinge to it ( That's allowing for the sky color was quite oxidize so much so that it was rubbing off on my jeans and I came home with du pont sky all over my pants...so from first hand knowledge including trying to wash that paint out of my pants ...it not straight gray it does have a green to it
  3. To my knowledge the early Tomahawks I did not use the roundback seat..its possable but i would have to see a photo The point of the "square back seat" seem was to be genric seat that would accommodate Brit seatpack parachute and French backpack parachutes..(the flat square seatback fits a backpack parachute better then a round curved seat back..that the point of a flat square seatback...also note that the squareback seat ..seatpan is also unique with and indentation in the bottom and bump out on the left with leather lining to meet British requirements for their seat pack parachutes...) You see the square back seat used on Tomahawk, Mustang, Buffalo, Harvard and Yale ..its actually a very common seat..they are still around on today on warbirds today (Harvard and Yale trainers, the EAA XP51 Mustang ) Now before the square back seat... on Hawk 75's sold to France you do see the US type round back seats... modify a bit for the French..so I would not be really surprised to see it in early Tomahawks from the French order..but I can not recall seeing one I've always suspected the square back seat originated with the Anglo-French Purchasing Board Set up in North America in 39 for the British and French to coordinate common buying of war material in north america .. Hence a common aircraft seat that fit both British and French requirements
  4. I'll on the subject of the Aleutian P40 I came across a photograph sometime back that showed at least one with a real strange anomaly that have never been able to figure out, which is the circular hatch in the rear right glass ..
  5. Here is a photo of Humbrol paint tins next to Tomahawk skin samples I had Note the "sky" skin (it was from the stabilizer) that we cut the sample from, when seen in person, did have a slight green tint to the gray ..the photo of the sample did not catch this These samples came from a Tomahawk recovered in deep in Russian and had be exposed to the weather for many years
  6. You want the squareback for a Tomahawk H-81 https://www.ultracast.ca/product-p/ult48257.htm
  7. Color photo of a Tomahawk under construction see the dark green seat on the left wing..the squareback seats in the Tomahawk are the same seats used in export Harvard's and Yales..(also the same seat in early Raf Mustangs and Buffaloes but thoses seem to be silver) .if look over on warbird exchange you can see modern color pictures of these same seats from Harvards and Yales in this same kind of dark green The squarebackseat seemed to be a generic design for US export aircraft that was developed to fit both British seat pack parachutes and French backpack parachutes systems note the seat does not match the cockpit color which was a dupont variation of RAF cockpit green ( ive seen recovered Tomahawks cockpit parts so I know what color it was and its not the same as US P40..)
  8. If you can get a scan of that manual that would be outstanding!... thank you Hume
  9. If you can in any way find out about possibility of geting a digital scan copy I've been really grateful and pay you for it. When I contact them some years back they said they couldn't do that.
  10. Curtiss on the P40 just like North American on the P51 uses different seat makers... Now the point of the square or flat back seat was to allow for the use of a backpack type or seatpack type parachute vs the roundback seat that was really for seatpack type parachute only Also note there are different squareback seats used The squareback seats used in RAF "longnose" Tomahawks and Mustang mk1 are not the same as use in RAF "shortnose" Kittyhawks/P40 and Mustang mkIII/ Merlin P-51 Below are samples of "shortnose" P-40 seats direct from Curtiss maintenance manuals ... Note the middle P40 squarback seat is near same as wood seat seen in the P51B/C (see Ultracast Mid Production Plywood P-51B/C seat photo and P51B seat photo at bottom) Many of these seats were made (or designed and farmed out for production during the war) by American Seating.. a company still around http://www.americanseating.com/ ---------- "Shortnose" P40/Kittyhawk seats ============================= P51 Seats
  11. Wel im looking at doing a US P40cu,with original tail wheel doors , a B with doors removed and a C with extended doors then an RAF Tomahawk I and RAF Tomahawk II, and 2 AVG Tomahawk.. early and the later when absorbed into the USAF.with the dark neutral Grey belly repaint and of course a couple different Russia Tomahawks Then do some P 36, hawk 75 conversion R1830 and R 1820....and the fixed gear China demonstrated
  12. Question Are any of the UK members anywhere near the Imperial War Museum... they do have in the collection an original Curtiss H81a2 Tomahawk service manual ..its quite detailed with photos and blueprint drawings...I only have a scan of a few pages.. that gunsight sightline drawing is one
  13. Thanks I was looking for that gunsight drawing that comes straight from the H81 Tomahawk manual
  14. Ok...i see that now.. i did see that in a few earlier photos but I thought it was just maybe it was a molding flaw They did seem to somtimes confuse rivet lines and panal lines on the blueprints.. at least we know they we're looking at the blueprints ..
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