#1
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Exhaust pipe lengths
Hi, Can some one please advise the correct lengths to cut the under floor straight exhaust tubes to.
One is longer than the other. Thank you in advance.
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Bluebell Carrier Armoured O.P. No1 Mk3 W. T84991 Carrier Bren No2.Mk.I. NewZealand Railways. NZR.6. Dodge WC55. 37mm Gun Motor Carriage M6 Jeep Mb #135668 So many questions.... |
#2
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Hi Lynn
Trial and (no) error will be your best bet. I ordered over long sections, put the floor elbow and muffler on the hull measure the gap and add on the parallel section from the elbow and muffler ends. You should get a nice snug fit this way. I suspect if someone gives you a number it could vary between muffler manufacturer and the sands of time letting things move around. Ben |
#3
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Concur 100%. Make everything long by a foot. One problem in particular that I found was that often the inlet/outlet of my mufflers are timed just in one way. I would turn the muffler to wherever would give me the proper positioning of the outlet pipes, so they would fit in the top deck cut outs. Then I do what is necessary to make the bottoms meet up with the straight pipes.
All this is assuming you do not have left and right NOS mufflers. |
#4
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As per Ben and Rob I fitted my pipes into the cast floor nuckles the mounted the cans and marked off where the straight lengths needed to be cut. For the sake of a couple of bolts it made a good job of it.
I used stainless Dairy pipe for mine.
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is mos redintegro __5th Div___46th Div__ 1942 Ford Universal Carrier No.3 MkI* Lower Hull No. 10131 War Department CT54508 (SOLD) 1944 Ford Universal Carrier MkII* (under restoration). 1944 Morris C8 radio body (under restoration). |
#5
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Thanks guys. I will move ahead with caution.
While we're here, Any suggestions for insulation to replace the asbestos panels at the rear........ or can I get away with not fitting any thing? What about just a plain panel steel baffle spaced from the hull plate?
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Bluebell Carrier Armoured O.P. No1 Mk3 W. T84991 Carrier Bren No2.Mk.I. NewZealand Railways. NZR.6. Dodge WC55. 37mm Gun Motor Carriage M6 Jeep Mb #135668 So many questions.... |
#6
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I used woven welding Matt, identical to the asbestos but without the hassle. Email me if you need any.
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#7
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Exhaust length
Hi Lynn, I may have an original one to measure, will check tomorrow for you.
I take it English and Canadian ones are the same? Is that hardy board any good for the heat shield??, looks like the same construction as the original stuff, but without the bad stuff in it. I thought builders used it around fireplaces in houses at times, and it is about 5mm thick.
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Valentine MkV Covenanter MkIV Lynx MKI and MKII Loyd Carrier / English / Candian / LP. M3 Stuart |
#8
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Ben is it Pro mat ? I need to make some fake asbestos shields for the inside of the engine covers
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is mos redintegro __5th Div___46th Div__ 1942 Ford Universal Carrier No.3 MkI* Lower Hull No. 10131 War Department CT54508 (SOLD) 1944 Ford Universal Carrier MkII* (under restoration). 1944 Morris C8 radio body (under restoration). |
#9
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Exhaust lengths
The two lengths are 970mm and 1000mm. This is allowing 40mm into the elbow by the engine and 60mm sleeving into the bend that goes into the bottom of the muffler. This was measured off what appears to be original pipes I have with the original mufflers or what's left of them , and their bends,
hope that gives you some ideas.
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Valentine MkV Covenanter MkIV Lynx MKI and MKII Loyd Carrier / English / Candian / LP. M3 Stuart |
#10
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Has anyone put a gasket between the floor and the exhaust elbows?
__________________
Bluebell Carrier Armoured O.P. No1 Mk3 W. T84991 Carrier Bren No2.Mk.I. NewZealand Railways. NZR.6. Dodge WC55. 37mm Gun Motor Carriage M6 Jeep Mb #135668 So many questions.... |
#11
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I don't bother. They were there originally, but I cannot see them serving any purpose.
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#12
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Hi Rob, I was just wondering if it might reduce the local heat in the floor there. Thank you for your input all the same.
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Bluebell Carrier Armoured O.P. No1 Mk3 W. T84991 Carrier Bren No2.Mk.I. NewZealand Railways. NZR.6. Dodge WC55. 37mm Gun Motor Carriage M6 Jeep Mb #135668 So many questions.... |
#13
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I suppose it could stop the floor from warping with the heat, which might cause the pipes to bind a little at the flex joint. But the engineers who designed it had things like desert use on their minds. The worst I'll do is a short run on a 30° day.
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