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#41
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Bernard pointed out to me that the body tube length is/was 7.75" Further proof that after 50+ years I don't remember everything perfectly. Also, as Bernard noted, the kit was first advertised in the April, 1966 issue of the MRN (see picture illustrating the article on model finishing on page 1 of that issue). Doing the photo interpretation thing, I see that the body was indeed 7.75" even on the prototype models, so it didn't change over the years. I have no idea as to why that particular length was chosen except for my suspicion that I was dealing with some packaging/shipping issues. |
#42
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....or perhaps it was handy as a BT-50 at that length (BT-50H) was already in use in the lower K-numbered Farside/Farside-X, Drifter, Delta and Mars Snooper kits (or so says the Brohm Estes body tube list - http://www.psc473.org/howto/EstesTubes.pdf). A thought, anyway.
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Bernard Cawley NAR 89040 L1 - Life Member SAM 0061 AMA 42160 KG7AIE |
#43
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Black Shire--Draft horse in human form, model rocketeer, occasional mystic, and writer, see: http://www.lulu.com/content/paperba...an-form/8075185 http://www.lulu.com/product/cd/what...of-2%29/6122050 http://www.lulu.com/product/cd/what...of-2%29/6126511 All of my book proceeds go to the Northcote Heavy Horse Centre www.northcotehorses.com. NAR #54895 SR |
#44
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__________________
Black Shire--Draft horse in human form, model rocketeer, occasional mystic, and writer, see: http://www.lulu.com/content/paperba...an-form/8075185 http://www.lulu.com/product/cd/what...of-2%29/6122050 http://www.lulu.com/product/cd/what...of-2%29/6126511 All of my book proceeds go to the Northcote Heavy Horse Centre www.northcotehorses.com. NAR #54895 SR |
#45
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Here are a few pictures from the morning Alpha building workshop today at the Museum of Flight showing Bill Simon sharing some history and building tips with the youngsters. I really enjoyed meeting Bill Simon and chatting with him.
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#46
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Huzzah Alpha Huzzah
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Neal Miller Master Blaster NAR# 58296 |
#47
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Aloha
And while we're on the subject, let's tray slightly off-subject and remember the Alpha's second cousin, thrice removed:
http://forums.rocketshoppe.com/show...ght=estes+aloha
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SAM #0031 |
#48
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That's funny. I can see how a D21 might tear the fins off of an Alpha. But I will have to try a D10 some time (when I'm at a much larger than usual field).
We just got home from doing the launch for the Alphas we built at the Museum of Flight yesterday. Most of the 45 or so that were built yesterday turned up today. Lots of B6-4 flights. All were recovered and we only had one separation - it looked like a poorly tied shock cord at the nose cone. Only a few flew as if they had significantly misaligned fins so the Qualman fin jigs that David Qualman supplied us (see the third picture in post 45 above) clearly helped make the models better. A good time was had by all as we flew off of old launchers. We used a 1966 Electro-Launch, a Tilt-A-Pad, a BigFoot, and two Porta Pads (not Porta Pad IIs) with an FS-5 Launch Control System, a 2212 Astron Launch Control System and a Centuri Powr-Control on the tripod pads. Fun stuff.
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Bernard Cawley NAR 89040 L1 - Life Member SAM 0061 AMA 42160 KG7AIE |
#49
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It was a very good launch under perfect skies. Lots of young families got their first introduction to rocket flying along with a few BAR's and their progeny.
Well done Bernard!
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National Collection Images: G. Harry Stine Collection/The Museum of Flight. |
#50
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And I need to thank Myrna, Marie and John Bauer for their able assistance at both build sessions yesterday, and Glen Doggett for his at the first.
And of course to Bill Simon (al_packer) for sharing the story of the creation of the Alpha and several other stories with us during the builds. Hey, Pat - any chance I can get a few of pictures taken yesterday and today? And thanks for your help at the field today among other things....
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Bernard Cawley NAR 89040 L1 - Life Member SAM 0061 AMA 42160 KG7AIE |
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