04-03-2008, 11:39 AM
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Launching since 1970.
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Join Date: Mar 2005
Location: Southern California
Posts: 2,188
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Quote:
Originally Posted by ghrocketman
Is the F22-5 a mandatory required motor for TARC ?
This seems quite low on average thrust for throwing two eggs into the air to me.
I would be selecting a much higher avg thrust F for lofting two eggs such as the F50T SU 29mm or F40W RMS29 or F52T RMS29.
Blackjack motors are actually LOUSY for lifting payloads; they are exactly the opposite for what you want for payload lifting; you WANT high-thrust spike/short thrust duration, not long-burn low-thrust motors.
If this is a mandatory motor for this challenge, the individual that wrote the criteria may have bumped his head on something prior to choosing the motor requirements.
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it is absolutely not the only motor allowed. A HUGE list of certified motors is published. I and others have answered this exact identical duplicate thread/question on The Rocketry Forum and your suggestions/advice is absolutely correct.
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