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#1
24-04-13, 01:33
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welding cracks in Blitz chassis
Hi does anyone have a manual that state how to repair cracks in the chassie rails or the manufacturers recommendations for a ford blitz,dont wont to replace the rails becouse of the chassie number and its on a FGT no8 gun tractor. i have someone lined up to do the repairs but just seeing if there is any info on the repair for the blitz.
Any help would be good Thanks
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42 FGT No8 gun tractor 1978 Army Land rover series 3 FFR 1965 work shop trailer 
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#2
24-04-13, 02:47
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Make sure you use low carbon rods or a Mig otherwise it will crack as soon as it gets a bit of stress
Frame should be cut at 45 degrees to maximise strength at a non-load bearing point Reinforcing plate should be added on the inside and welded on top and bottom edges (not on end of plates)End weld will cause a fatigue point and sometimes will crack at this point. Plate should extend well past connection point
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Have a good one  Andrew Custodian of the "Rare and Rusty" 
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#3
24-04-13, 03:01
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Thanks for that aj.lec so would it be wise to cut past both the crack at 45 then replace with a new peace of rail
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42 FGT No8 gun tractor 1978 Army Land rover series 3 FFR 1965 work shop trailer
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#4
24-04-13, 03:25
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Quote:
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Have a good one Andrew Custodian of the "Rare and Rusty"
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#5
24-04-13, 03:46
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Thanks for the advice the only problem i have is if i put between front hangers ill loose my vin number, but rear hanger is no problems.
Thanks
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42 FGT No8 gun tractor 1978 Army Land rover series 3 FFR 1965 work shop trailer
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#7
24-04-13, 03:58
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I doubt that you'd need to add the strengthening plates. On the 8 cwts Ford cut the frame rails at an angle and butt welded them together and that was it. How much rough use will a restored gun tractor get anyway?
I'd groove the crack a bit with an angle grinder then weld it with enough heat to get good penetration then grind it smooth. Do the same on the other side and keep going. Plates welded on will detract from the restoration in my opinion. Personally I'd get a 15 cwt frame and stamp your serial # on it and forget the welding.
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1940 Cab 11 C8 Wireless with 1A2 box & 11 set 1940 Cab 11 C8 cab and chassis 1940 Cab 11 C15 with 2A1 & Motley mount & Lewis gun 1940 Cab 11 F15A w/ Chev rear ends 1941 Cab 12 F15A 1942-44 Cab 13 F15A x 5 1942 cab 13 F15A with 2B1 box 1943 cab 13 F15A with 2H1 box 1943 Cab 13 C8A HUP 1944 Cab 13 C15A with 2C1 box 1943 Cletrac M2 High Speed Tractor MkII Bren gun carrier chassis x 2
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#8
25-04-13, 20:27
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Quote:
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One of the original Australian CMP hunters. Last edited by Tony Wheeler; 25-04-13 at 21:11.
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