Ironwing Posted September 16, 2021 Author Share Posted September 16, 2021 (edited) 25 minutes ago, brahman104 said: Nice clean edges Geoff... Is there latches etc to add once it's all sanded and smooth? Keep up the great work! Craig Hi Craig All the panels on the cowling have Dzus fasters holding them on. A couple of spots have rivets, mainly the back edge of the nose cap and around the spinner. The cowling is still a good ways off. Exhaust openings, d fastener detail, little mousear intakes on top of the nose cap,and all the openings in the front of the nose cap have to be opened. Its all largely terrifying work. It has to be zero defect first time every time and it all has to be done on curves.. still alot to do. Im glad you looked in. Hows that very large 17 doing? To quote JayW..that is a heavy lift effort and one being done in true craftsman style. Ill keep looking in as always. Regards Geoff Edited September 16, 2021 by Ironwing spell check brahman104 1 Link to comment Share on other sites More sharing options...
LSP_Kevin Posted September 16, 2021 Share Posted September 16, 2021 Supremely impressive, Geoff! Kev Derek B 1 Link to comment Share on other sites More sharing options...
Ironwing Posted October 1, 2021 Author Share Posted October 1, 2021 (edited) On 9/16/2021 at 5:16 PM, LSP_Kevin said: Supremely impressive, Geoff! Thanks Kev geoff Edited October 1, 2021 by Ironwing Link to comment Share on other sites More sharing options...
Ironwing Posted October 1, 2021 Author Share Posted October 1, 2021 Hello All, Hope everyone is well. Back from a little R&R kiuhgfrtopklhyu7u7hu..that was a brief visit from my grand son..Anyway, once the cowling was skinned and given a real hard look at, after being sanded, I wasnt really happy with the panel separations. None got bigger but in some spots they closed. Note to me: dont make the panels fit so tightly. IMHO, scribing the lines in where they closed would work in theory. But the scribed panel line would look different and it would be obvious. Other than that, Im not disappointed. It was a great learning experience. Hence, with new found knowledge, Ive removed the litho from the top and two sides. The bottom pan was left in place for reference points. A new one will be done once the top and sides are back on. The nose cap remains intact safely put away on its buck. Starting again, with the litho off. Theres a mess of clean up to do. Xylene..outside..gloves..repirator..weapons free. Be safe All.. Regards Geoff MikeMaben, Derek B, brahman104 and 1 other 4 Link to comment Share on other sites More sharing options...
Oldbaldguy Posted October 2, 2021 Share Posted October 2, 2021 So are you saying the pieces of litho got bigger in places as you worked it - as in stretched? Link to comment Share on other sites More sharing options...
brahman104 Posted October 2, 2021 Share Posted October 2, 2021 Certainly is a learning experience with litho...... I'm learning a lot myself at the moment. Glad you're taking it in your stride and having another crack. If mk 1 was that good, I can only imagine what mk 2 will look like! Craig Link to comment Share on other sites More sharing options...
Ironwing Posted October 2, 2021 Author Share Posted October 2, 2021 14 hours ago, Oldbaldguy said: So are you saying the pieces of litho got bigger in places as you worked it - as in stretched? OBG, Glad you looked in.Aluminum does indeed stretch. However, in this case, Im of the opinion that its more an issue of the edges deforming, kind of "mushing" over from being worked. Hopefully, not fitting the edges too tightly will eliminate the problem. Got any suggestions? Glad yu looked in... Regards Geoff Link to comment Share on other sites More sharing options...
Ironwing Posted October 2, 2021 Author Share Posted October 2, 2021 7 hours ago, brahman104 said: Certainly is a learning experience with litho...... I'm learning a lot myself at the moment. Glad you're taking it in your stride and having another crack. If mk 1 was that good, I can only imagine what mk 2 will look like! Craig Hi Craig, Lessons learned hard are the best to learn from It will be a bunch of work to get back to where I was but Im unwilling to compromise. Im glad yo stopped in. Regards Geoff brahman104 1 Link to comment Share on other sites More sharing options...
Ironwing Posted November 14, 2021 Author Share Posted November 14, 2021 Greetings All Its been a while since last post.. but its not dead. I ended up stripping the litho from the cowling. Its a messy job, somewhat scary and time consuming trying to get the contact adhesive off. I did run into some problems as a result of my activities. The cowling exhibited small linear cracks running front to back, especially on the back edge. They were covered with epoxy to stableize them. The big problem came when I pushed on the nose cap unknowingly and cracked it pretty bad (the litho cap wasnt in place) so much so that I had to remove it. Fortunately I had a spare... COWLING 2.0 This one came out better. But Im still deficient is getting down a smooth thin layer of contact adhesive. That said..here is number two.. It can use a bit more hammer treatment to smooth it further before committing to sanding. I tried somethinga bit different, in that, I didnt rub the litho down. What you see here is hammered only. I have to say, This was hard to do..at least for me. Working around the constant tapering curve was a challenge and ensuring all five pieces mated properly in the front required really accurately aligned panels. The cowl cap isnt permanrntly attached. Its taped on from the inside. There is still a boat load to do on the cowling. I just wanted to prove it wasnt dead I have a date with a surgeon and a scalpel on 17 November. Ill be down for a while but Ill be back... Be safe Regards Geoff Landrotten Highlander, Ol' Scrapiron, LSP_Kevin and 10 others 13 Link to comment Share on other sites More sharing options...
LSP_Kevin Posted November 14, 2021 Share Posted November 14, 2021 Cowling v2.0 looks great, Geoff! Good luck with your impending op. Kev Derek B and Out2gtcha 2 Link to comment Share on other sites More sharing options...
Out2gtcha Posted November 14, 2021 Share Posted November 14, 2021 I have to agree I think V2.0 look amazing Derek B 1 Link to comment Share on other sites More sharing options...
KiwiZac Posted November 15, 2021 Share Posted November 15, 2021 Looking good Geoff, and all the best for Wednesday! Derek B 1 Link to comment Share on other sites More sharing options...
JayW Posted November 15, 2021 Share Posted November 15, 2021 Great litho work Geoff! A skill I must introduce myself to if I am going to take the next step. And best wishes and a speedy recovery from your upcoming procedure! You may be interested to know - I have another 21CT P-51 in the mail (I payed too much for it - have you seen what people get for these things??). Old Miss Velma is going to get replaced with an improved version, perhaps my uncles old "Sissy Mana" if I can just find the nose art. Derek B 1 Link to comment Share on other sites More sharing options...
Derek B Posted November 15, 2021 Share Posted November 15, 2021 Hi Geoff, I am still very much enjoying your odyssean like voyage into the black arts of litho plating/aluminium sheeting of your model (you shall prevail!). Cheers Derek KiwiZac 1 Link to comment Share on other sites More sharing options...
Ironwing Posted November 16, 2021 Author Share Posted November 16, 2021 On 11/14/2021 at 3:28 PM, LSP_Kevin said: Cowling v2.0 looks great, Geoff! Good luck with your impending op. Kev Thank you Kev..Ill be back Cheers Geoff LSP_Kevin 1 Link to comment Share on other sites More sharing options...
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