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#1
24-12-15, 01:47
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Curiosity question, Rob. Is the orientation of the lateral holes in the muzzle brake, in relation to the threads on the brake, critical?
I am just trying to understand how the lateral holes end up to each side of the barrel horizontally when the muzzle brake is run home on the end of the barrel. Good thing I am not a cat. I would have been dead years ago! David 
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#2
24-12-15, 06:49
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Is that not what the back nut is for? To lock it in final position? I have seen images of museum examples that have the brake set so that the holes are not horizontal!! I don't know how critical it would be under fire?
Beautiful piece of machining by your engineer Rob. Ron
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#3
24-12-15, 13:25
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That is what the nut is for, along with a flat washer that goes between them. If the holes are not aligned l/r, you end up with a very large cloud of dust and a lot of debris being thrown around.
This muzzle brake example came off one of the 17 pdrs from the Shilo museum. It was not perpendicular before it came off but I can assure you it will be when it goes back on.
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#4
24-12-15, 17:35
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Thanks for the clarification, Rob.
David
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#5
30-12-15, 21:45
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Muzzle brake completed...
a fantastic job by these 2 guys, Harold and George. It is now getting powder coated, should be on the barrel in a week. An exact replication. Cheers Rob
__________________
1942 C8A- HUW " Wireless Nipper" 1943 F-60S LAAT and 1939 Bofors 1942 C8 Wireless 1943 FAT/ 17 pounder 1941 C15 GS 2B1
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#6
30-12-15, 23:14
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Muzzle brake, looks brilliant!
Rob, what material was used for the muzzle brake? It's a brilliant job.
dsc_0651-resized-960.jpg dsc_0692-resized-960.jpg dsc_0702-resized-960.jpg I would have liked mine to be metal, but I have no talent and don't know anyone who works with metal lathes. Fortunately I have a friend who was able to turn one from wood, and I'll be damned if he didn't get it very close to original look. I tips me hat to you fellas that have such high standards in your work. I have been following your progressand it gives me something to aspire to. Best regards, and hope you have a happy & prosperous 2016.
__________________
Ford CMP, 115" WB,1942 (Under Restoration...still) Medium sized, half fake, artillery piece project. (The 1/4 Pounder)
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#7
30-12-15, 23:55
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Thanks for the kind words Tony...
we all just do what we can to keep these historical pieces up to snuff. We started with a solid 8 inch round piece of alluminium. Yes, a little soft, but easy to work with, we are going to have to be careful about getting it dinged up. Enjoy the New Year. Cheers Rob
__________________
1942 C8A- HUW " Wireless Nipper" 1943 F-60S LAAT and 1939 Bofors 1942 C8 Wireless 1943 FAT/ 17 pounder 1941 C15 GS 2B1
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