"Bass, Jerry" wrote:

I have run my Fishmouth extensions on high speed taxi and like them.  Each
extension is 4.5 inches long from a 2" dia pipe.  I wired the mouth shut,
down to 1/4 inch.  and ran the engine at 5000 rpm on three runs, with and
without the extensions.         The extensions quiet the roar some, but do
not have a sound meter.
J.Bass

P.S., I have a Bose Series II headset to sell or buy. $700  I eventually

will

need two for this noisy craft.

Here is a picture from the Aus Aviation Museum in Nowra of the fish tails
on a RR Merlin.

Paul Lamar

"Bass, Jerry" wrote:

I just flew 596JB and the fishmouth devices self destructed inside twenty
Minutes.

Will try again.

Jerry Bass

Try them without the holes first Jerry.

Can you get us some pictures of your airplane to us?

Paul Lamar
 
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