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Old May 24th 07, 02:22 PM posted to rec.aviation.homebuilt
Stealth Pilot[_2_]
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Default BD-5 crash in Australia

On Thu, 24 May 2007 03:58:41 -0500, Barnyard BOb
wrote:


For openers...
The FAA is not known to support 'hot-dogging'.
Neither do legit aircraft manufacturers, AFAIK.

Why?
Like has been said...
It's just hot-dogging.

hot-dogging;

1. to perform in a recklessly or flamboyantly skillful manner,
show off.

2. intended or done to draw attention; showy or sensational.


Although speed can be traded for altitude,
you won't get as much with this technique
or as much opportunity to pick a crash site.


Barnyard, the boy and I discussed this technique tonight.
he is of the opinion that it may be the desired way to effect a
takeoff in the BD5.
He said that it is surprising but the wheels should be
raised/retracted as soon as possible after liftoff. The BD5 sees an
immediate jump in speed of 20 knots when the wheels come up.

holding the aircraft low to the ground and accelerating in level
flight does two things.
it gets you to a safer climbout speed faster.
if the engine does quit you avoid the spine destroying thump into the
ground.

most of us have been flying what I'll call FAR23 type aircraft all our
lives. The BD5 is quite a different handling aircraft and needs to
approached with techniques evolved from flying the actual aircraft not
from past FAR23 experience.

Pete has a number of wood strakes along the underside which are an
inch high by half inch wide. he has accidently landed the BD5 with
wheels up and in the slide along the runway the inboard end of the
flaps got ground away and the strakes became half inch by half inch
where they took the rubbing on the bitumen. there was no other damage
and he didnt feel any jolts to the spine.
if he had been low to the ground he might have worn away the strakes
and the lower skin but he would have been spared the spinal injury.

I called it hot dogging because we would all know what I meant but it
may just be the safest way to takeoff in a BD5.

btw his fuel injection is a single point injector not a per cylinder
injection system. he says it usually works well and it solved the
surging problems experienced with the marvel schleber carby he tried
previously.

Stealth Pilot