information about Shark first prototype max speeds |
20th December 2009, Shark prototype OK - OUR 01 reached with propeller Woodcomp 3000 2W :
( Shark.aero sro information from test flights in Senica airport ) |
Weather in Czechia
P27 cotton tests |
Written by Gryf design |
Sunday, 14 August 2011 07:53 |
Actually we continue in P27 cotton tests, using 70-Euros camera, mounted on the wing - and some dozens of red cotton pieces. This very cheap way - together with some pieces of vortex generators - solved basic problems with tail buffeting . Last weeks,we are spending our time to adjust all systems of P27 - to be usable for normal personal flying. During next development we would like to redesign tail from fabric covered to all-metal , riveted from aluminium alloy sheets (MD3 approved technology), and new rear part of fuselage composite shell - so vortex generator are today solution only, to be able to fly aircraft for personal cross-country flights - and introduce this aircraft for potential producers or customers. From the side of basic concept of mid-wing with negative swept, all tests confirm, we reached our idea of UL and 600kg E-LSA plane with high-lift profile and simple flap, focused to easy access, wide outlook and good stability ... |