So when does DS become part of the LSF program? OOPS!!! I just upped the ante and the program is supposed to be safe? :^) ----- Original Message ----- From: "Chuck Anderson" <[EMAIL PROTECTED]> To: <soaring@airage.com> Sent: Friday, October 07, 2005 11:04 AM Subject: Re: [RCSE] Realizing 300MPH
> At 10:24 AM 10/7/2005, you wrote: >> Participants of this forum that solely fly thermal duration may be a >> bit perplexed by the recent 300+ mph achievement of our dynamic soaring >> compadres. To help you appreciate the magnitude of this achievement >> imagine this scenario: >> You have your sailplane at a comfortable altitude 1/4 of a mile >> distant from you. The air is such that you can fly perfect circles >> around you without a loss of altitude. At 300 mph, you'd complete a >> circle in approximately 10 seconds. That is truly moving out!! >> A hearty "well done" to all involved in setting the new DS record, >> Jim Deck > > Do participants of this forum that solely fly thermal duration realize how > deadly this can be. KE = 1/2MVsquared. I witnessed a near miss at the > Pylon even at the 1972 Nats when a radio failure resulted in a pylon racer > dived into the ground at full throttle barely missing the spectator area. > When I got home, I calculated the kinetic energy of the pylon race and > compared to various projectiles. I don't remember the exact figures but a > 5 pound model traveling 225 mph had more kinetic energy than a 50 caliber > machine bullet. At 300 mph, the kinetic energy almost doubles. Maybe > others don't mind standing in a machine gun firing range but I will be > elsewhere. > > Chuck Anderson RCSE-List facilities provided by Model Airplane News. Send > "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] > Please note that subscribe and unsubscribe messages must be sent in text > only format with MIME turned off. Email sent from web based email such as > Hotmail and AOL are generally NOT in text format > RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] Please note that subscribe and unsubscribe messages must be sent in text only format with MIME turned off. Email sent from web based email such as Hotmail and AOL are generally NOT in text format
