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  #51  
Old 01-03-2012, 02:48 PM
Mark12A's Avatar
Mark12A Mark12A is offline
 
Join Date: Jun 2011
Location: Huntsville, AL
Posts: 89
Default Bomb Bay for Flour Bombs...

I can't help thinking that someplace there is some dedicated VAF member, just outside the edge of completely sane, working on a gatling paintball gun geared to shoot through the prop.
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Lt. Col., USAF, Ret.
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  #52  
Old 01-03-2012, 03:23 PM
RV8R999 RV8R999 is offline
 
Join Date: Dec 2008
Location: na
Posts: 1,457
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Quote:
Originally Posted by Capflyer View Post
RC servo which can be remotely triggered from the cockpit or even a hidden buddy on the ground.
Just make sure your buddy is a grad of FAC(A) school
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  #53  
Old 01-03-2012, 03:33 PM
Tom Martin Tom Martin is offline
 
Join Date: Jan 2005
Location: Ontario, Canada
Posts: 1,563
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I asked an airforce friend for some insights in how I should know when to release my pumpkin; taking into account altitude, wind direction and speed. He stated that in the absence of the current pumpkin ballistics tables he would not be of much help!
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Tom Martin RV1 pilot 4.6hours!
CPL & IFR rated
EVO F1 Rocket 1000 hours,
2010 SARL Rocket 100 race, average speed of 238.6 knots/274.6mph
RV4, RV7, RV10, two HRIIs and five F1 Rockets
RV14 Tail dragger

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St.Thomas, Ontario Canada, CYQS
fairleafield@gmail.com
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  #54  
Old 01-04-2012, 02:41 AM
LynolA LynolA is offline
 
Join Date: Apr 2010
Location: Vancouver, BC
Posts: 22
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Quote:
Originally Posted by VCMaine View Post
What is the best bag and weight for a flour bomb? Is there a spec with a max or min, does each contest set its own rule, or is it all an ad hoc exercise - the bigger the better? If you are mixing flour and sand (sand for deadweight), what volume ratio? Sand may be somewhat cheaper, maybe, but why not just a bigger bag and more flour? What's the story, you bomber pilots?
I cannot find an 'official' flour bomb specification. However, when we did it last year, it was a simple brown paper lunch sack with about 2 cups of flour inside. Wrap the excess bag material on around the flour lump and secure with a piece of masking tape. Mark the bag with a Sharpie with the pilot's handle (name) so when the ground crew measures the distance from the center of the target to the point of impact, they know who gets the credit. Pilots fly over the target at a pre-arranged altitude, typically between 500 and 1000 feet AGL. Low wing airplanes are at an obvious disadvantage, unless additional measures are taken, hence, this thread.
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1946 Ercoupe Flyer, N2169H
RV-7A Slider- Phase I testing
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  #55  
Old 01-04-2012, 06:16 AM
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GusBiz GusBiz is offline
 
Join Date: Apr 2011
Location: Melbourne, Victoria, Australia
Posts: 211
Default darn google

Quote:
Originally Posted by Tom Martin View Post
..... He stated that in the absence of the current pumpkin ballistics tables he would not be of much help!
was about to look for something else on VAF but now have an overwhelming urge to google "pumpkin Ballistics Tables"....

.... be right back
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RV7

Obsession only exists when someone else isn't doing it too.
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  #56  
Old 01-04-2012, 11:05 AM
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Mike S Mike S is offline
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 15,705
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This might help.

http://science.discovery.com/videos/...r-cannons.html
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Mike Starkey
VAF 909

Rv-10, N210LM.

Flying as of 12/4/2010

Phase 1 done, 2/4/2011

Sold after 240+ wonderful hours of flight.

"Flying the airplane is more important than radioing your plight to a person on the ground incapable of understanding or doing anything about it."
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  #57  
Old 01-04-2012, 04:40 PM
Rick S. Rick S. is offline
 
Join Date: Mar 2005
Location: Las Vegas
Posts: 736
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Quote:
Originally Posted by AlexPeterson View Post
Ah, yes, DHS probably has most of us on this forum on their lists for numerous reasons...
And some of us even work for DHS
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  #58  
Old 01-04-2012, 09:41 PM
N24YW N24YW is offline
 
Join Date: Dec 2005
Location: Burlington Iowq
Posts: 111
Default Short Video

I added short vidoe of bomb door operation

http://s730.photobucket.com/albums/w...t=MVI_2161.mp4

Jim Knight
Burlington Iowa
RV-6
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  #59  
Old 01-04-2012, 09:57 PM
gmpaul gmpaul is offline
 
Join Date: Sep 2005
Location: East Columbia Texas 77486
Posts: 93
Thumbs up

Put the flower in Styrofoam cups works much better than paper sacks.
G.P.
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  #60  
Old 01-05-2012, 07:24 AM
fatherson fatherson is offline
 
Join Date: Oct 2009
Location: Albuquerque, NM
Posts: 427
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Quote:
Originally Posted by N24YW View Post
I added short vidoe of bomb door operation
Hey, Jim! Didn't you say earlier this was a main gear inspection window, or some such?

--
Stephen

p.s. cool fab on that mechanism. And the vid really shows it off. Nice work!
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