AeroTech D21T





18 mm

70 mm

25 g

10 g

20.8 N

26.8 N

32.1 N

19.6 Ns

0.9 s

Blue Thunder


November 6, 1988



Compared with all 19 D motors:

Total Impulse

Average Thrust

Maximum Thrust

Burn Time

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AeroTech D21T

Simulator Files

Format Source Updated Contributor
RockSim user June 26, 2008 John Coker
RASP cert March 30, 2007 Christopher Kobel

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Motor Notes

Availability January 28, 2020

I am not sure exactly as of what month, but I know that since around November 2019, the D21 and D10 have been OOP, and stocks were dwindling. So unless you have a supply of them or know someone you can get them from, it?s unlikely you can get them anymore.

There are some supplies of D21-4, D10-5, and D10-3 left. Check out Buyrocketmotors, Apogee Components, and Rocketryworks. Rocketryworks will have the highest overall stock and a competitive price.

Do you have other info on this motor? Please add a note.