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Mar 06, 2012, 10:02 PM
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daboz's Avatar
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New World Record 498mph!!

New world record Spencer... 498!!! Bird Springs!!

Bruce 453 D80...

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Mar 06, 2012, 10:08 PM
WOW! Awesome Spencer! You Da Mang!
Mar 06, 2012, 10:11 PM
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daboz's Avatar
Thread OP
Also. Said that if things would've worked out better the plane had a lot more in it it...

It was so cold he had some cold issues and he thinks he could have flown MUCH faster!!

Mar 06, 2012, 10:12 PM
Just fly it!
wyowindworks's Avatar
Impressive! Congrats.....again.

Was this the 100" or 130"?
Mar 06, 2012, 10:13 PM
U down with EPP? Ya U know me!
Aerogance's Avatar
Oh gosh! Bird springs...almost 500mph...they went at dark again (why so darn late all the time!!!)...freeking cold frigid fingers and frostbite. You guys all need to make an Alan Coconi Radioven, it solves the problem! I am flabbergasted! So cool that the Kinetic Czec builder was there! Lets get a full report darn it!
Mar 06, 2012, 10:17 PM
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daboz's Avatar
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Just think with 100+++ windspeed and a shear crossing..

600 mph airspeed!
Mar 06, 2012, 10:27 PM
sewing machine thumb
I feel slow.
Mar 06, 2012, 10:28 PM
launch low, fly high
Wow! Likely at or above Mach 0.8, that is beyond crazy stuff.

Last edited by Joe W; Mar 06, 2012 at 10:31 PM. Reason: Looked up BSP temps...
Mar 06, 2012, 10:34 PM
Registered User
KurtMc's Avatar
jaw dropped when I read this . . . you dudes are blowing my mind with this up, up and up it goes, carnival ride . . . at a brand new hill -- where even cell phones don't need work because there are no houses around. . . .

Hefty congrats to Spencer and to Bruce for smoking fast speeds!!

500 mph flight was most definitely achieved but not recorded today.... but 4 9 8 sure was! ! !


a Dynamic at 80" at 453 mph ??

"Wait..... What?"
Mar 06, 2012, 10:52 PM
setting CG with ceiling fan on
bluzharp's Avatar
Well done gentlemen!! Congratulations!!!!
Mar 06, 2012, 10:52 PM
LSF V,LSF Secretary,AMA Lifer
Robglover's Avatar
I'm impressed, you guys are awesome.
Mar 06, 2012, 10:53 PM
launch low, fly high
Pretty soon y'all are going to be looking for the summertime Santa Ana conditions so that you can go faster in MPH at the same mach number...

Speed of sound = 740.9 * ( 1 -(Tf-32)/491.67 )^0.5 in MPH

From 1:30 pm to 140 pm, the temp was about 26 deg F based on:

So, the speed of sound was ~736 mph, and if the max speed was 498 +100 mph, then the max mach number was... 0.81!
Mar 06, 2012, 10:54 PM
Stay in it!!!!
Nice going guys! Must have been awesome.
Mar 06, 2012, 10:54 PM
Remember... Fly for fun!
You buggers! lol

Don't think I'm going to bother modding my K100 anymore, a bit far out of reach now
Mar 06, 2012, 10:54 PM
Registered User
Daemon's Avatar
Congrats! Gotta be a bit painful when you hear someone call out 498mph and the light is
fading and your fingers are freezing.


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