http://blog.aopa.org/helicopter/?p=319 AOPA's Helicopter Blog Tue, 21 May 2013 12:38:25 +0000 hourly 1 http://wordpress.org/?v=3.5.1 http://blog.aopa.org/helicopter/?p=319#comment-1179 Sean C Sun, 26 Sep 2010 21:55:08 +0000 http://blog.aopa.org/helicopter/?p=319#comment-1179 Don’t forget the possibility of aviation-designed diesel engines appearing in helicopters. At least one diesel (the DeltaHawk) is close to certification which has been designed with helicopter operation in mind. The challenge for aviation diesels will be to keep the power-to-weight ratio competitive with existing gasoline engines, or at least close enough to allow their lower fuel burn rate to help compensate for the increased empty weight.

]]> http://blog.aopa.org/helicopter/?p=319#comment-1128 Alex Kovnat Tue, 24 Aug 2010 17:29:34 +0000 http://blog.aopa.org/helicopter/?p=319#comment-1128 The likely phaseout of 100LL, may well lead to more turbine-powered helicopters. Unless of course a not-too-costly 100 octane lead-free avgas proves possible.

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