A few tips:
1) Join (or at least fly with) a local club. Such organizations normally have good fields, and you will have many sets of eyes...
[ATTACH] It’s normal for rocket performance to vary from flight to flight, and not all such variation is motor-related. Wind, wind shear, tip-off...
I find fountain pens expensive, messy, and unresponsive. I occasionally do Spencerian script with a dip pen. It's calming and satisfying (but not...
Thanks for the information.
My wife and I are thinking of moving to Mexico for retirement. Anyone know if there is any sort of hobby rocketry going on down there? (We were...
And make sure the recording includes all nine sopranos.
I haven't reviewed your design, but I understand that the second stage is not powered. If the upper stage by itself has a higher ballistic...
Just a tangential comment concerning linear temperature profiles:
Although the temperature lapse *rate* with altitude changes seasonally,...
Let me say I know next to nothing about GPS. (That’s why I’m posting about it on the internet.) I have been unimpressed, in the past, with GPS...
Yes! Thank you, Mary! Have a great retirement.
Sometime songs are happy in spite of their lyrics. Welcome to Cumbia!
Anyone have anything sharp?
There's hyper happiness, and then there's serene happiness.
Victorians wrote some _REALLY_ sad songs.
Here are the sim results with the DATCOM drag profile.
Shoulda looked in before I did the thrust curve.
FWIW, the impulse on the last one corresponded nicely.
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