Boeing B-47 (oz4622)
About this Plan
Boeing B-47. Catapult launch glider, profile model.
Quote: "A 19 inch span profile scale, catapult launched glider, with ultra simple construction. Boeing B-47 by Jack Arnould.
AFTER FLYING your umpteen channel, high powered, flying bank roll through some hairy manoeuvres, COOL IT, relax and have some low pressure fun! Build this no channel, low cost, high start glider - just think, no engine noise, no radio problems, just plain old fun - but don't let your kids see it or you may never get your hands on it again! I know this to be true as I have four girls and this is the first of my many models that they have taken any great interest in. Now they are actually disappointed if we don't go out and fly it.
The plane is a 1/72 profile scale model of the Boeing B-47, the world's first all-jet high speed bomber and the mainstay of SAC for many years, until replaced by the B-52.
Construction is quite simple and straightforward, and uses medium hard balsa throughout. First cut the fuselage from 1/4 in sheet, taking great care with the slots for the wing and tailplane. Keep the knife blade vertical and cut from both sides to avoid the slots sloping from one side to the other of the fuselage. Cut the hole for the ballast and then cement the 1/32 in ply nose doublers in place. Next cut the wings and tail surfaces from 1/8 in sheet and sand to section - also cutting the engines from the same sheet. Leave these parts with a square section except for the inner engine supports, which should be streamlined. The 1/16 in square strips inset into the leading edges of the engine supports are to stop the engines shearing off in a moderately hard landing; in a really heavy landing they will let go and save the wings from damage.
When all the individual parts are ready, mark out the control surfaces, cockpit cover, windows, and other lines shown on the plan with a felt tipped pen. Join the wing halves, not forgetting to put in the anhedral. When the joint is dry, re-enforce it with a inch wide strip of silk cemented to both sides..."
Direct submission to Outerzone.
Update 06/07/2016: article page, text & pics added, thanks to RFJ.
Supplementary file notes
Article page, text & pics.
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(oz4622)
Boeing B-47
by Jack Arnould
from Aeromodeller
February 1973
19in span
Scale Glider F/F Multi Military Bomber
clean :)
all formers complete :)
got article :) -
Submitted: 17/07/2013
Filesize: 219KB
Format: • PDFbitmap
Credit*: AlanVernon
Downloads: 4619
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ScaleType: This (oz4622) is a scale plan. Where possible we link scale plans to Wikipedia, using a text string called ScaleType.
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User comments
Spent ages trying to get this to glide properly. Ended up cutting the wing in half and remaking with dihedral. Still not great. The youngling (5yo) picked it for its good looks, now he's convinced he is no good at flying planes. I'm going to buy more balsa and build something else as fast as I can before he gives up. Maybe someone else might have more luck. Vids or it didn't happen ;-)Dean - 27/04/2019
Seeing Dean's problems with the B-47 glider, I wonder if a greater degree of ANHEDRAL might help? Glancing through my Putnam's 'Boeing' book, the full size certainly seem to have a fair amount of 'wingtip draggin' when on the ground. Having had the plan 'kicking around' all those years, I suppose I ought to build one myself! Cheers.
AlanV - 28/04/2019
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- Boeing B-47 (oz4622)
- Plan File Filesize: 219KB Filename: Boeing_B-47_glider_oz4622.pdf
- Supplement Filesize: 430KB Filename: Boeing_B-47_glider_oz4622_article.pdf
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Notes
* Credit field
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Scaling
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