sky303 Posted October 28, 2009 Share Posted October 28, 2009 This has been bugging me for about a month. The MC kit of the -420 has the exhaust pipe molded solid, with a raised line in a pinwheel pattern. I am wondering since I cannot find any pictures or diagrams is what the exhausts looked like from the rear. Is it worth the effort to drill this out? Quote Link to post Share on other sites
oldHooker Posted October 28, 2009 Share Posted October 28, 2009 (edited) Here ya go Sky! Here is a reasonable photo of the exhaust... Hope this helps, Frank Edited October 28, 2009 by oldHooker Quote Link to post Share on other sites
sky303 Posted October 28, 2009 Author Share Posted October 28, 2009 Frank, exactly what I needed! Time to get the pin vise out... Quote Link to post Share on other sites
72linerlover Posted October 29, 2009 Share Posted October 29, 2009 Hi Sky303. The exhaust type is the so called "daisy petal", so the photo that oldHooker has posted explains a lot, but that is a Pratt and Whitney JT4A. (707-200 series made for BRANIFF and 707-320). If you need further information take a look to the following links where the RR Conway is represented. http://www.airliners.net/photo/Geminair/Bo...-430/1475998/L/ http://www.airliners.net/photo/Geminair/Bo...-430/1160573/L/ http://www.airliners.net/photo/RDC-Marine/...-441/0429131/L/ http://www.airliners.net/photo/Hamburg-Air...-430/0255453/L/ Regards Euge Quote Link to post Share on other sites
sky303 Posted October 29, 2009 Author Share Posted October 29, 2009 Hi Sky303.The exhaust type is the so called "daisy petal", so the photo that oldHooker has posted explains a lot, but that is a Pratt and Whitney JT4A. (707-200 series made for BRANIFF and 707-320). If you need further information take a look to the following links where the RR Conway is represented. http://www.airliners.net/photo/Geminair/Bo...-430/1475998/L/ http://www.airliners.net/photo/Geminair/Bo...-430/1160573/L/ http://www.airliners.net/photo/RDC-Marine/...-441/0429131/L/ http://www.airliners.net/photo/Hamburg-Air...-430/0255453/L/ Regards Euge Euge, I am starting to see the difference. The RR Conway pipes still need to be hollowed out, right? Quote Link to post Share on other sites
72linerlover Posted October 29, 2009 Share Posted October 29, 2009 Euge,I am starting to see the difference. The RR Conway pipes still need to be hollowed out, right? Yes. But I'm afraid that they aren't really pipes: they could be some ovals in the radial directions. I've never seen the Minicraft –420 engines but I' wouldn't bore that much in such a scale. In any meaning of the verb. Regards Euge Quote Link to post Share on other sites
Airsearails Posted March 12, 2011 Share Posted March 12, 2011 Here ya go Sky! :) Here is a reasonable photo of the exhaust... Hope this helps, Frank Thank you very much Frank, I've been looking for any of this exhaust image or info. to scratch for my already built 707-32,. mine is Heller 1/72 707-321. Regards Don Quote Link to post Share on other sites
Fischer Posted March 13, 2011 Share Posted March 13, 2011 I think this one could be very useful. Quote Link to post Share on other sites
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