#11
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Quote:
John, You are correct! What is being discussed is the situation where the forward fin set is aligned (directly in line or on the same plane) with the aft fin set and not rotated 45 degrees with respect to each other as per the Estes instructions. There is new wind tunnel data to suggest that if the fins are aligned above one another the turbulence from the upper set of fins will negate some of the stability imparted by the lower set of fins. A kit built as per the instructions will not have the upper and lower fin sets aligned, they will be rotated along the airframe 45 degrees from each other.
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Bruce S. Levison, NAR #69055 |
#12
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I’m sending this from my tablet so I can’t access OR but I ran the sims just a little while ago watching the Buckeyes beat Sparty, if memory serves OR showed an even higher margin for the single stage configuration than that. Though I was running the simulation with an Estes 18mm C6 motor, not a 24mm motor. |
#13
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Fantastic discussion! I went ahead and built to the kit plans. Man, there is like 12 acres of balsa on this thing! It feels like I've been sanding for days.
I definitely will NOT paint it like the hang tag. Way too cartoonish. I think I'll go for some "spray can camo" like the old Magnum SAM-3. Then use a couple of the red stars for color, plus the details that look like they belong on a missile. None of the "SA-2061" markings. To each his own, eh? |
#14
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Agree with finishing like the old Magnum SAM-3.
I'm going to have to order one... Like I need more on my build pile. Kinda goes with the 1/11 scale R/C F-4 I'm finishing up.
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When in doubt, WHACK the GAS and DITCH the brake !!! Yes, there is such a thing as NORMAL, if you have to ask what is "NORMAL" , you probably aren't ! Failure may not be an OPTION, but it is ALWAYS a POSSIBILITY. ALL systems are GO for MAYHEM, CHAOS, and HAVOC ! |
#15
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Here she is: Estes SA-2061 Sasha ala Centuri Magnum SAM-3. I used Krylon ultra-flat paints. They cover well - thick and smooth - and they dry incredibly fast. Sadly, the wide, flat spray pattern was not ideal for doing the camo. Nevertheless, I like the result. I used only the "access panel" decals from the kit. The Russian star is from my stash - bigger than the kit stars, and with the proper red border. Can't wait to fly her!
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#16
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Nice job on the Sasha! You have inspired me to finish working on mine.
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Bruce S. Levison, NAR #69055 |
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