Subscribe to:
Post Comments (Atom)
F3G and F3B in Kulmbach / Germany, a tradition continues!
From May 10th to May 12th, 2024, the Kulmbach model aircraft association organized a combined competition on its own model aircraft site nea...
-
More information here A thumbs version will be available in september 2011 : DC-16 main features: HARDWARE: - Magnesium body - 3,... -
by Yannick Selles and Pierre Rondel Introduction The purpose of this article is to propose you to "build" your own Blu... -
In fact we cannot really talk about assembly as it takes 25 minutes to have it ready, no glue is needed. This is faster than some RTF ki...
Hello,
ReplyDeleteSorry to disappoint you, but 800 km/h is not Mach 0.8. Soud speed at sea level is approx 340 m/S, i.e. 1224 km/h. So 800 km/h is Mach 0.65.
Still, very impressive spedd achieved !!!
Regards.
Corrected :)
ReplyDeletespencer is the man, when i tell my old duffer friends here in montana about the speeds, some of them wont belive me even with the video
ReplyDeleteIs there any video ?
ReplyDeleteRemember 498mph was groundspeed not airspeed. Max airspeed is estimated at 580mph. Also temperature was 20deg F. Put this into mach speed calc and you get m=0.79!
ReplyDeleteYes - search 498mph on Vimeo
ReplyDelete