sharif101 Posted April 4, 2014 Share Posted April 4, 2014 If we want to convert -7b engine to -15 engine then which components or units may change or modify.please give information. Quote Link to comment Share on other sites More sharing options...
Lkuest Posted April 5, 2014 Share Posted April 5, 2014 I'm definitely no expert on converting engines, but I'm pretty sure just about everything aft of the Diffuser, including the Y-Lead, is a different part number, with the exception of the Rear Bearing Support casing, Rear Bearing Assembly, Tailpipe, and T-Block. The fuel control will require replacement due to the different tuning internally for the extra fuel flow, but the TD Amp can just be re-adjusted to the new limitations. -7 to -15 conversions aren't too common because it is much easier to overhaul and re-use components than it is to order all new parts, but the US Coast Guard accomplished a set many years ago. See Lockheed Service News Bullitin Volume 26 No 1. The gist I got from it was the easiest way to do it is order a conversion kit directly from Rolls Royce tailored to your situation (some -7 engines may require a Gearbox or Compressor modification.) Quote Link to comment Share on other sites More sharing options...
Retired Talon F/E Posted April 7, 2014 Share Posted April 7, 2014 I seem to remember that when I attended the Rolls Royce school years ago that they said Rolls produced and sold a kit to convert -7's to -15's. They tried selling them to the USAF but they turned them down. I guess it made too much sense to standardize to only -15's. Quote Link to comment Share on other sites More sharing options...
munirabbasi Posted June 2, 2014 Share Posted June 2, 2014 sharif it turbine is differ from a-15 it is better to purchase A-15 engine Quote Link to comment Share on other sites More sharing options...
sharif101 Posted June 5, 2014 Author Share Posted June 5, 2014 Thanks to all Quote Link to comment Share on other sites More sharing options...
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