Bomber_County Posted May 31, 2020 Share Posted May 31, 2020 Looking good Ron, you might try Autodesk Fusion, as I believe the licence is free for “hobbyists” . I use architectural parametric modelling software predominantly, which can be adapted just a scale in the end of the day........ 1 Link to comment Share on other sites More sharing options...
Micko Posted August 23, 2020 Share Posted August 23, 2020 hey Ron, youve gone dark? Any news on the rear floor and ammo boxes? i'd love to have some so as i can finishoff my observers sation. hope all is great 1 Link to comment Share on other sites More sharing options...
CrankyCrafstman Posted August 23, 2020 Author Share Posted August 23, 2020 Hey micko Nothing new project is on hold wsiting for items in the mail that I need to finish it. Ron G 1 Link to comment Share on other sites More sharing options...
CyberGolem Posted August 23, 2020 Share Posted August 23, 2020 On 4/8/2020 at 1:10 PM, CrankyCrafstman said: Hey all Ok I think I have the rear floor figured out, I still have to cutout the observer/gunner's escape hatch. Right now I'm in the process of getting the side wall ribbbing figured out and put in. I have pictures of other builds that did this, plus pictures of the real planes inner side walls. So here are some pictures for you to look at. ....... Ron G You misspelled "ribbbing". With what you're doing it should be ribbbbbbbbbbbbbbbbbbbing. 1 1 Link to comment Share on other sites More sharing options...
Fidd88 Posted March 19, 2021 Share Posted March 19, 2021 On 5/31/2020 at 1:12 PM, Bomber_County said: Looking good Ron, you might try Autodesk Fusion, as I believe the licence is free for “hobbyists” . I use architectural parametric modelling software predominantly, which can be adapted just a scale in the end of the day........ I also would highly recommend Fusion 360, even though some features that were previously available on the free hobby use version have recently been rescinded. 2 Link to comment Share on other sites More sharing options...
Fidd88 Posted March 19, 2021 Share Posted March 19, 2021 On 3/25/2020 at 1:14 AM, CrankyCrafstman said: Hey Fidd88 I know it's not supposed to be painted bronze/copper because its actually metal, I believe it is stainless steel but not sure. Here is a picture of what you are talking about. this shows the early cowl ring on the left with out the baffle and with on the right. view showing the exhaust pipes going from cylinders to the cowl ring. inside view of the cowl "townend" ring. Thanks for the input. Ron G Excellent post, it's great to see some colour pictures of them. I can't speak to the Beaufighter, but I'm fairly certain that on the Wellington, these Townsend Rings are a steel inner-collector-ring, taking the hot gasses, with an alloy shroud around it, which is fed with ram-air, thus cooling the exhaust gases before they're emitted, which reduced both flame-flare and noise. That said, your picture appears to show corrosion on them more consistant with very thin steel on the hotter external (radially) portion of the ring, which does cast into doubt, my assumption that they were alloy. Perhaps one of us could quietly slip a magnet onto one when museums reopen?! 2 Link to comment Share on other sites More sharing options...
HubertB Posted March 19, 2021 Share Posted March 19, 2021 The collector rings of the Bristol engines were made of steel (not stainless, as far as I know), the only metal that could withstand the high temperatures of the exhaust gases. Their color is actually a mix of the colors you find on steel submitted to high temperatures and almost submitted to a tempering process: from the blue so much loved by the high-range watchmakers like Breguet (steel blued at an alcohol flame) to the reds and oranges of steel going through various high temperature gradients, to some rust. « Brass » is just a shortcut simplification of these complex hues ... Hubert 2 2 Link to comment Share on other sites More sharing options...
Fidd88 Posted March 19, 2021 Share Posted March 19, 2021 22 minutes ago, HubertB said: The collector rings of the Bristol engines were made of steel (not stainless, as far as I know), the only metal that could withstand the high temperatures of the exhaust gases. Their color is actually a mix of the colors you find on steel submitted to high temperatures and almost submitted to a tempering process: from the blue so much loved by the high-range watchmakers like Breguet (steel blued at an alcohol flame) to the reds and oranges of steel going through various high temperature gradients, to some rust. « Brass » is just a shortcut simplification of these complex hues ... Hubert Hi, I know the collector-ring itself is steel, ie the ring into which exhaust gases are collected from the exhaust manifolds. What's less clear, is if the shroud containing the ram-fed cooling air is an alloy or steel. Looking at the Brooklands Wellington, it certainly appears to be alloy, but still might be this steel. The corrosion in the Beaufighter ring pictured in thread, does suggest you're correct though. Next time I'm at Brooklands I'll place a magnet on it. 2 Link to comment Share on other sites More sharing options...
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