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Post by Joel_W on Feb 27, 2021 10:43:44 GMT -8
Patrick, I'd say that you got a ton done for sure. Just those springs look like they would have taken a good hour or so. Nice job on that 4 point seat harness assembly.
Joel
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Post by pnance26 on Mar 2, 2021 8:36:24 GMT -8
I have a confession to make... I HAVE TO MAKE MYSELF SLOW DOWN on this build. I get so amped up about wanting to go faster and get more done, when my original intention all along was...
THIS BUILD WILL TAKE AS LONG AS IT TAKES. JUST TAKE YOUR TIME AND DO IT CORRECTLY!
Case in point are the exhausts... I want them to be done but I also want them to look good! So tomorrow will be an airbrush day. I will apply the AlClad pale amber over the gold, let that dry a day and then on Friday, I will start shading using Tamiya clear red and clear blue... I have yellow but don't think I will need it.
So here is a question... at the bends in the pipes, since the velocity of the exhaust is slowed by the curve, does the heat build up on the outside of the curve? And if so, does it cause a reddish/blue tinge there or a bluish/red tinge... in other words, which color is more prominent? After the coloration, I'm not sure if I want to do a flat finish... I need some advice. And I really need to not care that just the first page is going to take another three days.
Next step is to find the material to sleeve the rear transaxles. You may think, "Well, Patrick, that is just a trip to the hobby store or hardware store!" But for me, a trip to town is 14 miles and I hate interacting with people more than once a week. It is also a matter of wanting to make it fit correctly, so I need to have the part right there to match the tubing. There is a source of metal hobby size tubing in town at a the local ACE Hardware... or there was... after that, it will be (hopefully) on to page two!
Your thoughts, folks?
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Post by pnance26 on Mar 2, 2021 18:04:28 GMT -8
And work has reared its ugly little head again... 7 of 8 days with only tomorrow to build.
Paint it is! Maybe get a layer of blue on the wet sanded areas as well so I can peel the masking!
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Post by Joel_W on Mar 3, 2021 7:17:38 GMT -8
Patrick, I'd go back to your original build philosophy, and build at your pace so that each stage is up to your high standards. Rushing always causing even more errors. Believe me I only know that all to well.
joel
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Post by chrissmith on Mar 3, 2021 16:38:59 GMT -8
And you complain about my speedš lol.. Take your time, itās not going anywhere!
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Post by pnance26 on Mar 5, 2021 7:54:37 GMT -8
I will ask it again as I have until Monday before work is resolved... so some planning time!
So here is a question... at the bends in the pipes, since the velocity of the exhaust is slowed by the curve, does the heat build up on the outside of the curve? And if so, does it cause a reddish/blue tinge there or a bluish/red tinge... in other words, which color is more prominent? After the coloration, I'm not sure if I want to do a flat finish... I need some advice. And I really need to not care that just the first page is going to take another three days.
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Post by Chris K. Hale on Mar 5, 2021 8:25:01 GMT -8
I dont have an answer but a suggestion ..call Hooker, Heddman or any Header Manufacturer tech dept. tell the what you are doing, I am certain they can give you an accurate reply.. Chris
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Post by pnance26 on Mar 5, 2021 10:44:20 GMT -8
I dont have an answer but a suggestion ..call Hooker, Heddman or any Header Manufacturer tech dept. tell the what you are doing, I am certain they can give you an accurate reply.. Chris Good idea! Did you know Hooker Headers are now a part of Holley as in Holley carbs?
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Post by pnance26 on Mar 5, 2021 14:03:49 GMT -8
Well, thanks to Chris for the suggestion and thanks to Cole at the Holley shop, I now have an answer.
Let's start up by the engine block where the heat is most intense. That is where the most discoloration would occur on the exhaust headers. We were using a set of long headers as an example as shown in the Holley catalogue. Cole further explained that the heat would then be more on the outside bend of the exhaust than on the inside discoloring blue to red... in other words, the blue would be the base layer then the red.
And finally, when it comes the long exhaust tubes over the rear, it was explained that the discharge is mostly cooled by then so there would be very little real change in materials.
All this tells me what I was seeking and also that the end tubes need to be cleaned up a bit using some steel wool.
I was also asked to send some photos to Cole at Holley when I got to a finished state! So I am pretty happy with that idea!
Thanks to all here and I hope this also feeds some information to you all about exhaust headers, pipes, and fumes!
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Post by Chris K. Hale on Mar 5, 2021 14:38:07 GMT -8
Hahahaha You called the Holley Shop? One of my very best friends is Vice President of National Sales USA. Mark B. Adin.. Yup He's a Big Shot , dont hear much from him, moved to Bowling Green, their Corp. Headquarters is there and is very busy all the time, but if I need tickets to any NHRA event, etc. ,, he sends me VIP All Access passes. Great guy I have known since 1978. Between Calling and Ordering the Manufacturers catalogs ( for pics of the actual products) You may be amazed at how helpful these companies can be, for accurate parts and colors Chris
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Post by clowncar on Mar 5, 2021 15:35:11 GMT -8
I love it that a 1:1 OEM was willing to help out. Happened to me twice, though decidedly non-automotive.
I used to build 1:72 aircraft. Started with 'em. In the early '90s, I wrote to the company that had manufactured the Sea Harrier FRS.2's radar, Ferranti, explaining that I was a scale modeler, and asking them if they had any photos or diagrams of their Blue Fox set that weren't classified and that they could send me. About three weeks later, an envelope of studio-quality 8x10 color glossies arrived in the mail, compliments of their marketing department.
A few years later, I was third in queue to tour one of Canada's few operational submarines, HMCS OKANAGAN, during a port call. The two respectable-looking older gents ahead of me were speaking in some foreign tongue. I struck up a conversation, asking them where they were from. They turned out to be from Rotterdam, on vacation, and both employed by the shipbuilding firm which had the contract for WALRUS- class conventional submarines. When I expressed pleased bewilderment and interest that the Netherlands was building actual goldarned attack submarines, I was politely asked for my postal address. Which led to me receiving a long, four-pound, Masonite-reinforced parcel of frame-worthy cutaway renderings, glossy photographs, brochures, and whatnot about the WALRUS-class boats from the shipyard's promotional flacks.
People generally love talking about their jobs, especially to fellow enthusiasts. And sometimes, people are just nice.
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Post by pnance26 on Mar 5, 2021 15:44:47 GMT -8
Chris, I have no issues with being shy. If I want to know something, I just up and ask. I looked up Hooker Headers, got the phone number from the site and up in the right corner, it said "Ask our experts" with a toll free number... and I am just cheeky enough to do it! It was a great experience! Cole Cowan was the service reps name and he even shared with me that he used to build 1/24th scale cars "but they were just little plastic models". I wanted to ask what the hell he thought I was building but my mother raised me better. He asked for the photos of the work in progress.
Clown (and I hate calling you that), you never know what you will find out. I was sitting in an airport in Omaha at Christmas chatting with a man at random. Turned out he worked as an archivist at a little place out on the prairie of South Dakota which has the longest open line of site from horizon to horizon (in other words, when a satellite passes over, it is there for the maximum amount of time and can download for the longest amount of time). He told me that his facility had stored every single image ever sent from any device in orbit around the earth from the the very beginning of imaging to that date in 2013. He gave me his card but I never got back and don't know where it is today. Can you imagine the images stored there? And he was just chatting about his job like it was an every day thing. Amazing what people will tell you if you bother to ask and listen!
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jimc7
Qualifier
Posts: 51
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Post by jimc7 on Mar 6, 2021 6:04:49 GMT -8
Great info Patrick, and happy to hear that you're 'forcing' yourself to take your time and enjoy this build.
Does the type of material the exhaust is made from dictate the coloring? I know chrome turns very blue, stainless more golden brown. Does titanium heat stain like stainless and what about plain old steel? What was the GT40's exhaust made from? Now you got me curious!
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Post by pnance26 on Mar 6, 2021 8:05:59 GMT -8
Great info Patrick, and happy to hear that you're 'forcing' yourself to take your time and enjoy this build. Does the type of material the exhaust is made from dictate the coloring? I know chrome turns very blue, stainless more golden brown. Does titanium heat stain like stainless and what about plain old steel? What was the GT40's exhaust made from? Now you got me curious! Jim, I guess you would have to glean that info elsewhere... I've seen the pipes in real life look gold others a flat metal look... I'll show you... That's one color! There's the "gold" look (I really like the dents like somebody was just pounding on the corner!) And then there is this! So I am not really sure what the material would be in the actual exhaust system and I guess the color would be dictated by the amount of use. In other words... beats me! HAHA!
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Post by pnance26 on Mar 9, 2021 15:18:40 GMT -8
I am going to have to improvise since I discovered the 4th exhaust on each side is about 1/4ā short of the collector. I have a solution but Iām not telling until Iām done.
How you others managed it, I donāt know but I canāt uncle whatās done without a mess! I also have a feeling one pipe stands up too high!
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