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Irish Jumping Bean (Read 14372 times)
Reply #19 - Jun 11th, 2014 at 9:15pm

Sky9pilot   Offline
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Kelso, WA 98626 USA

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Congrats...that's a great little plane! Smiley
Tom
 

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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Reply #18 - Jun 11th, 2014 at 1:51pm

Kittyfritters   Offline
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Stick & Tissue
California

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Was at the O.F.F.C. Outdoor Spot Landing/Predicted Flight Time contest for rubber powered models this morning.  I had my all balsa, R.O.G, "Basic Airplane", but was having trouble getting enough power for the R.O.T. (Rise Off Table) launch without getting too much climb and getting into thermal territory.  After I treed the Basic Airplane the third time, (Pete Bassone brought his 30' retrieval pole.) I got out my very predictable Bostonian.  I predicted a 34 second flight, flew 34.4 seconds...and finished 3rd!
 

Qua sublata omnia praecepta legis
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Reply #17 - May 25th, 2014 at 8:27pm

mitch j   Offline
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growing old-no choice,growing
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Renmark SA Australia

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G'day Kittyfritters,
Just watched the Jumping Bean vid. That was a great flight!! Well done!!

(P.S that fan is HUGE!!)
 
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Reply #16 - May 24th, 2014 at 12:58am

Sky9pilot   Offline
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Kelso, WA 98626 USA

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Interesting...she really recovered nicely!  Might have to build one of these too.  Thanks again for sharing.

Tom
 

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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Reply #15 - May 24th, 2014 at 12:33am

Kittyfritters   Offline
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Stick & Tissue
California

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The bobble was another peculiarity of that venue.  It was a hot day, getting toward noon, and the skylights cause alternate hot and cool areas on the gym floor.  This creates  updrafts and downdrafts in the room!
 

Qua sublata omnia praecepta legis
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Reply #14 - May 23rd, 2014 at 8:07pm

Sky9pilot   Offline
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Stick & Tissue
Kelso, WA 98626 USA

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Marvelous flight...looks like she caught a bit of turbulence from the HVAC vent in the last quarter of the circle on descent!...but recovered nicely.

Well Done Smiley

Great looking little model!
Tom
 

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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Reply #13 - May 23rd, 2014 at 6:04pm

bigrip74   Offline
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What did l do this time!
Austin, Texas

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BROVO! Kitteyfritters, loved the video of your Jumping Bean it was a beautiful flight.

Bob
 

IF IT AINT BROKE DONT FIX IT!
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Reply #12 - May 23rd, 2014 at 5:12pm

Kittyfritters   Offline
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Stick & Tissue
California

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Here is a link to a video of a short flight of the Jumping Bean.  We don't wind for maximum flights in this particular gym because of the giant ventilation fan near the ceiling.  Even though it's not running when we fly it can chew up or hang up a model that hits it.

https://www.youtube.com/watch?v=8j9UN_zAeu4
 

Qua sublata omnia praecepta legis
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Reply #11 - Apr 30th, 2014 at 5:15pm

Kittyfritters   Offline
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Stick & Tissue
California

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Well, no video, except, maybe some rather embarrassing stuff that Dave Gee may post of it doing high-speed taxi runs around the gym floor. 

It wouldn't R.O.G with 1/16" rubber for power so I changed to 3/32" rubber and back to the EB prop.  I had damaged the stabilizer getting it out of the car, the first of eight separate times I broke the stabilizer in two hours, (Calls for some re-design here.) and had some trouble getting the trim right.  I switched back to the North Pacific prop and it tried harder. Finally, I clipped off the tail skid to give it a better 3-point stance on the floor and that did it.  I got a good flight, that managed to go behind one of the pillars and over the seating area, twice!  Then the motor broke.  I installed a new motor and while winding it that one broke.  I re-tied it and tried it again.  I made the last two flights of the contest and they were good enough for me to place 4th in a field of 14.  Not disappointing for a model that I finished the night before the contest.  I'll build a redesigned stabilizer for it and keep it for the next Bostonian contest.  Assuming it has no more problems I will release the plan.
 

Qua sublata omnia praecepta legis
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Reply #10 - Apr 30th, 2014 at 5:13pm

Kittyfritters   Offline
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Stick & Tissue
California

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staubkorb wrote on Apr 30th, 2014 at 4:07pm:
Nice triplette!  Just curious, but are North Pacific props still available (they were my favorites)?

Pete


Pete,

I got the ones I have from a friend who haunts garage sales.  You might try Ebay.

Howard
 

Qua sublata omnia praecepta legis
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Reply #9 - Apr 30th, 2014 at 5:12pm

Kittyfritters   Offline
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Stick & Tissue
California

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Robert Hudson wrote on Apr 30th, 2014 at 3:05pm:
I shall hazard a guess that  EAYGA  means Engineering As You Go Along.  Nifty looking Bostonian it is, too!  I have a few that I drew up years ago that I need to get out into the wild.


Robert,

You got it!  Send me your mailing address.  What skin do you want the Beaufighter in, US, British Tropical, or British Temperate?
 

Qua sublata omnia praecepta legis
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Reply #8 - Apr 30th, 2014 at 4:07pm

staubkorb   Offline
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Stick & Tissue
Germany

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Nice triplette!  Just curious, but are North Pacific props still available (they were my favorites)?

Pete
 

WWWoFF
Wonderful Wacky World of Free Flight
(with a bit of rc thrown in for giggles)

Comparing Spammers to a pile of organic waste is an insult to the organic waste!
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Reply #7 - Apr 30th, 2014 at 3:05pm

Robert Hudson   Offline
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I Love YaBB 2.5 AE!

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I shall hazard a guess that  EAYGA  means Engineering As You Go Along.  Nifty looking Bostonian it is, too!  I have a few that I drew up years ago that I need to get out into the wild.
 

Tissue!

Gesundheit...
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Reply #6 - Apr 30th, 2014 at 11:35am

bigrip74   Offline
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What did l do this time!
Austin, Texas

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KK: "Ditto" what awiatik stated, it would be a nice project to build.
 

IF IT AINT BROKE DONT FIX IT!
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Reply #5 - Apr 30th, 2014 at 11:00am

awiatik   Offline

I Love YaBB 2.5 AE!

Posts: 21
 
Kittyfritters,
This bean is a great, I like it. Is it possible to ask for a plan of this model.
Kostek
 
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