XB-70 Plans? - RC Groups
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Jan 31, 2012, 06:53 PM
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Question

XB-70 Plans?


I was looking for some plans for a scale balsa xb-70. Good three ways or other drawings that aren't necessarily meant for rc are good too. No foamies, please. Any help would be greatly appreciated! Thanks.
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Jan 31, 2012, 08:54 PM
KE your cub.
Curare's Avatar
You mean the Valkyrie?

I know that someone did a plan for it in the 70's but can't remember whether it was MAN, Model Builder or RCM....
Feb 01, 2012, 11:36 AM
-insert witty saying here-
Hemikiller's Avatar
Google "xb-70 model plans"

Turns up a lot of discussion and one guy in Italy that sells a set.

HTH
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Feb 01, 2012, 12:42 PM
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Norm Furutani's Avatar
Are you thinking of the Competition Models all balsa kit? Looks like someone is selling the kit plan (or similar). See http://www.myhobbystore.co.uk/produc...-b-70-valkyrie

- Norm
Feb 01, 2012, 02:46 PM
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Thanks, but that is too flat. I am building a 3d scale model.
Feb 01, 2012, 02:51 PM
An itch?. Scratch build.
eflightray's Avatar
Try a Search, enter XB-70, set it to Show Threads.

It found 61 threads with XB-70 in their titles. Seems quite a popular model.
Feb 01, 2012, 05:21 PM
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Norm Furutani's Avatar
Here's a built-up one on Hippocket. See: http://www.hippocketaeronautics.com/...p?topic=1497.0
Feb 05, 2012, 07:22 PM
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Traplet out of the UK sells plans for a balsa slope soaring version. I am about 90 complete on one I started this fall. Not great as far as scale perfection goes, but it looks pretty good from a few feet away.

I think with modern gear you could convert to EDF, but it would be quite a job.

Rich
Apr 21, 2012, 08:11 AM
Registered User
Apologies for being a noob. The xb-70 is one of my favourite models, but rarely has good plans for a decent size model, that I can find at least.

These are the best I have found to date - and I've not seen them posted anywhere else:
https://www.vth.de/shop/warenkorb/ar...3d8c64a40.html

Over 8' long, so a good size. IIRC, It seems reasonably scale other than the nose is a little short. Obviously an ideal candidate for edf these days.

Navigating the german website is a little tricky, but worth persevering and they happily shipped from germany to the UK, so I'm sure further afield wouldn't be an issue either.
Apr 26, 2012, 12:42 PM
DreamArcher's Avatar
How to build flat balsa wings has always perplexed me. Last one I did for a plank racer turned out super warped after I was done. I think the seasonal temp change in the garage killed it. I can't store them anywhere else and I shouldn't expect them to not withstand temp changes. I'm in California so it's not even that much.
Apr 28, 2012, 10:04 AM
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Vrated's Avatar

Flat B70


Quote:
Originally Posted by Norm Furutani
Are you thinking of the Competition Models all balsa kit? Looks like someone is selling the kit plan (or similar). See http://www.myhobbystore.co.uk/produc...-b-70-valkyrie

- Norm
Back in the 60s I built one of the flat (profile) B-70 kit out back then. It was all sheet balsa free flight. It used the Baby Bee .049, (pusher) for power. It flew perfrctly right off the board for a fun sport flyer! I seen others fly at the old Sepulveda Basin free flight area in Cali. back then, and they all flew well. I wondered what ever happenened to the design because it flew so well.
Cheers!
Vrated
Oct 26, 2014, 11:50 PM
Registered User

XB 70 P:LANS..............Fairley Large


I have great plans for a large XB 70 Valkyrie. The only thing that's keeping it from beautiful scale is the IC pusher hanging off of the back. I think it is a .60 or .90 It has the drooping wingtips if I'm not mistaken. I've seen big pictures of the original that are real fine!!! I would sell a copy for the cost of the copy and the postage.


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