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  #91  
Old 06-01-2018, 07:46 PM
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blackshire blackshire is offline
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Quote:
Originally Posted by neil_w
Ah, that's a bit of history I was unfamiliar with.

Flattered by the comparison, but I assure you if you saw the rocket up close you would not be making it.

Anyway, I'm *finally* getting my order from Erockets tomorrow that'll include the nose cone(s) I need for this thing, so I can get that going.
I don't know...I was able to blow the image up pretty large, and it looked well-painted to me.

Hopefully the nose cone (in particular, depicting the lidome and IR seeker) won't present too many problems.
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  #92  
Old 06-01-2018, 08:54 PM
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neil_w neil_w is offline
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Quote:
Originally Posted by blackshire
Hopefully the nose cone (in particular, depicting the lidome and IR seeker) won't present too many problems.


Well, all my other plans and schemes have worked out reasonably well so far, so I'm hopeful. We shall see!
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  #93  
Old 06-02-2018, 06:09 AM
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I've also heard that many of the catalog and trade show display models are not built with balsawood fins, but substitute plexiglass instead. Much easier to get a good finish on THAT!
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  #94  
Old 06-02-2018, 08:13 AM
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neil_w neil_w is offline
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Interesting to ponder how to build a model where looks are all that matters, and not caring at all about strength or weight...
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  #95  
Old 06-02-2018, 08:19 AM
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blackshire blackshire is offline
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Quote:
Originally Posted by GuyNoir
I've also heard that many of the catalog and trade show display models are not built with balsawood fins, but substitute plexiglass instead. Much easier to get a good finish on THAT!
I wouldn't mind if such fins--plexiglass and waferglass fins are not uncommon on competition rockets--were offered in "regular" kits. (I once had--but never got around to building--one or two of the "pre-Tim Milligan era" [it was the Ed LaCroix era; he started the company] Apogee Components streamer duration rocket kits [see: http://www.ninfinger.org/rockets/ca...4apogeecat.html ], which had phenolic body tubes and thin waferglass fins, which were very thin and smooth.) Also:

When I visited the Northcote Heavy Horse Centre in England for a couple of weeks in August of 2010, Stuart Lodge, a long-time British competition spacemodeler and contest judge, came to visit me there one day. He brought along a packing case full of models that he has flown in contests all over the world (they appear in several of his books). They include a scale Vertikal vehicle (whose spherical nose/separable instrument capsule [on the actual vehicle] is depicted by a glass sphere bottle [for perfume or cologne, if memory serves]) and an MMI Aerobee-Hi, whose fins appear to be made of waferglass or plexiglass (they're very light, thin, and stiff, yet very smoothly-finished).
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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.
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  #96  
Old 06-02-2018, 08:32 AM
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blackshire blackshire is offline
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Quote:
Originally Posted by neil_w
Interesting to ponder how to build a model where looks are all that matters, and not caring at all about strength or weight...
Plexiglass fins are used on some competition model rockets (including scale models), as are waferglass fins (see: http://www.ninfinger.org/rockets/ca...4apogeecat.html ). Stuart Lodge mentioned plexiglass fins in his "The Model Rocketry Handbook." They--and waferglass fins--can be made very thin and lightweight, and for scale models, plexiglass fins are easier to sand beveled, wedge cross-section (or circular-arc cross-section) leading edges into (and trailing edges too, if the particular design calls for them). If you find more complete IRIS-T scale data, a second model could have more detailed-shaped fins and wings made of plexiglass.
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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
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