I would use a 24mm Aerotech E30.
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Hi, many thanks for the feedback. On the older Centuri kit, do I need the clear stabilizing fins? Haven’t flown this in 20 years. Next week is the day Thanks Jz |
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I never flew mine without them. You might get by without them on a single D12-3, but I'd definitely use them with a cluster. Since the Centuri kit is such a classic, it isn't worth taking the chance without them, IMHO. One thing I always did was to make sure I put the clear fin slot on the same side for all four fins. That gave it a slight roll, adding stability. If you don't pay attention, you could end up putting the fins on in a way that makes it tip over. |
Success on 50th anniversary
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Had a great time flying on a D12-3, ejection was quick, maybe went 150 ft. Used the clear fins. Easy recovery.
Thanks for all comments Joe |
Mine is all masked off ready for the black paint, been too busy at work and this build is coming along slowly. Masking was not all that bad, but I need the humidity to come down before I can paint.
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GH will come in and tell you to fly it on nothing less than an F, but the D12-3 is perfect for demonstrations so that people of all ages can see all aspects of the flight, and for locations as small as a little league field (usually 200 ft from the plate to the fence) as long as you pay attention to the wind. Glad it went well for you! |
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I'm in the same boat. I've been covering shifts for folks at summer guard camp and for a couple surgeries. Between that and all the crazy rain and humidity, I just didn't get it done by the 20th. It's guaranteed to be done by Apollo 12's anniversary, though! |
Estes no longer lists the D12-3 as a motor for the current Saturn V.
Only the E12-4 and E30-4. I have never flown one on less than a 3xC5-3 cluster, which is ~75% of a full-40 n-sec E. I consider the Aerotech E15/18/28/30 as a minimum. They fly great on 24mm RMS F24's. Yes, I do consider Saturn V flights on D's a BAD JOKE. |
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Hi, but mine was built 30 yrs ago. Which E would fit where a D12 fits. It’s in the same space that the 3 engine cluster fits. Thanks Jz |
An Aerotech E30 is the same size as an Estes D12.
More than double the power with 40n-sec compared to the 17n-sec Estes D. |
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