On Oct 29, 10:31*am, "Tim Mara" wrote:
The Jet is a sustainer..not intended as a self launcher in spite of the fact
that nearly all test flights from short 50 foot auto tows..hence the
temperature at the tail is actually no higher than that of a recip engine on
other sustainers and self launch gliders... remember the engine is a
jet...not a rocket....
tim

"Michael Henry" wrote in message

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How does the vertical fin not get melted by the exhaust?- Hide quoted text -

- Show quoted text -

What is the appeal of a 'sustainer'? They seem to be almost as
expensive as a self-launcher, without the ability to self launch.
It's great not to have to land out, but it seems like an awful lot of
money to spend and still need a tug to get airborne.