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Old 12-22-2006, 04:31 PM
James Pierson James Pierson is offline
Master Modeler
 
Join Date: Dec 2005
Location: Washington State
Posts: 654
Thumbs up Keep on "Rollin" EchoVictor

Keep on Rollin EchoVictor

This is probably the best Christmas present ever , EV. I am quite
honored that you have built one of my designs. The photo's look great
and sure hope to hear about some flight reports soon. Feel free to make
any changes you think it needs, especially the name.

I did a tricky motor pod layout. I use BT-5 4" long and in front of
those used BT-3 2" Long just to break up the line of the motor pods.
Look like you got a pretty good "Old Carpenter Eye" to me. Here is a
close up thumbnail. Also main BT is BT-60 12" long.

Here are the flight stats:

*Launch guide length: 36.0000 In.
*20 Semroc papachute used


[B4-2]
Maximum altitude: 167.55774 Ft.
Minimum velocity for stable flight reached at: 32.7874 In.
Velocity at deployment: 10.2654 ft/s

[B6-2]
Maximum altitude: 169.14501 Ft.
Minimum velocity for stable flight reached at: 34.4641 In.
Velocity at deployment: 12.5039 ft/s

[C6-3]
Maximum altitude: 358.25619 Ft.
Minimum velocity for stable flight reached at: 32.2487 In.
Velocity at deployment: 7.8026 ft/s

EV, I notice that you had no engine mount yet so consider the
following.

[D12-3] with PNC 60-NA and CG at 5.5" from base with D12-3 loaded.
Maximum altitude: 554.91440 Ft.
Minimum velocity for stable flight reached at: 32.1334 In.
Velocity at deployment: 17.8284 ft/s

Thanks EV, and a Merry Christmas.

James Pierson
NAR# 77907
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