Engine Weights??????
Hello Gjestico:
Thanks for the muffler update. Glad to hear you've got my combo in the works. Some data - the ZDZ-80 with J&A Pitts tested at 101.5 dB at 25 feet over grass using the Imac method. Mejzlik 26x10 prop. If you can knock off 6 dB, you're my hero.