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Cabin Noise and Muffler
Dear friends, dear Velocity builders
Yes, we are building the Velocity 173 FG s/n93 in Switzerland and we have a
minor items to change, which was established by the engineer of RSA, the
As this is our first aircraft builders experience, this report which is
showing over 60 %
of safety instructions, is a positive item to us.
Yes, we had to alter the entire exhaust system as we would never achieve
flying permit without reducing the noise of the Velocity acft tremendously.
Yes, we have the silencer on the low pressure - means the hot side. We
indication as yet, what it does to our temperatures resp. our cowling.
The cowling aereas nest to the exhaust system have been covered by
As a careful reader of the reflector I know that I should not be any longer
too big files. Therefore I will mail some pictures of this complex exhaust
system to all
of you directly, if you let me know your personal e-mail-adress.
;-)}adieu, tschau, arrivederci, cheerio ;-)}
Alfons Hubmann, PO-Box 6620, 3001 Berne, Switzerland