George Lendich wrote:

Paul,
On the subject of exhausts, I just saw a program on the latest
technology in defence helicopters - they had exhausts which had a
mixture of ambient air into the exhaust system (to help reduce a
heat signature) and  a bank of  fishtail exhaust outlets.

Anyone seen that technology and can they comment of the
effectiveness of the set-up,
TIA
George (down under)

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