2003 RMR flight survey

AVI, Enerjet, Centuri and FSI all had E's.

Whilwwind, RDC, USR by AT and USR by IBco had E's.

Jerry

TOTAL MM /4 /2 AA BB CC DD EE FF GG HH II JJ KK LL M+ NAR.# TRA.# State Who? 137 00 00 00 00 06 13 21 00 00 27 14 32 18 04 00 02 78825 09247 AZ Mark Saunders marksaunders.at.cox.net

It never ceases to amaze me how many things are accurately described by the "normal" distribution.

But specifically regarding rocketry, the bimodal distribution seems to indicate that model and high power rocketry remain distinctly separate styles of rocketry, even though not always separate groups of flyers. Only a very few motor usage data sets haven't shown this.

I'll look at the past data on your site if my obsolete browser lets me.

TOTAL MM /4 /2 AA BB CC DD EE FF GG HH II JJ KK LL M+ NAR.# TRA.# State Who?

I guess I had a prolific year. The SoCal weather always helps.

TOTAL MM /4 /2 AA BB CC DD EE FF GG HH II JJ KK LL M+ NAR.# State 174 0 0 0 3 19 87 17 6 17 9 10 3 3 0 0 0 79812 CA

I only lost one rocket this year, unfortunately it was my PML AMRAAM

1. The scary stat would be calculating the total motor cost for those

David Marshall, NAR Level 2 DART San Diego

I don't think bimodal or normal is really accurate. The HPR side of the curve certainly tapers off faster than the model rocket side. A LOT more A8-3s are flown than Ms...

It's a pretty CHAD site with mostly a bunch of text files in a directory. I can't imagine any browser problems.

Bob Kaplow NAR # 18L TRA # "Impeach the TRA BoD" >>> To reply, remove the TRABoD!

snipped-for-privacy@myawai.com

pregnant or hanging?

- iz ;)

TOTAL MM /4 /2 AA BB CC DD EE FF GG HH II JJ KK LL M+ NAR.# TRA.# State Who?

I got the data ok. Haven't crunched it yet.

As for my stats, I haven't recorded my own motor usage in years except for what ATF requires. And I haven't used a Restricted Access motor since my last permit renewal.

It's "Need to know" (but it twarn't much this last year, that's no secret). And ATF has NO NEED TO KNOW what rocket motors I use except for RA stuff. To quote Bill D. Cat(and directed at ATF, not fellow rocketeers): "Thppffft." :-)

In fact, ATF has no need to know about any rocket motors I use, but I throw 'em a bone with the pitiful few RA motors I do use since I have a LEUP.

I started out to see if the data from the local club launches were indeed indicative of a "notch" at E. Turned out the notch was beautifully explained by two overlapping bell curves. Isn't really a notch in that sense. Sometimes a third grouping can be ferreted out with a trimodal analysis. On our FAR 101 field the third group is the mini-engine bunch(kids mainly). At our desert site it's F and G motor users.

But different clubs have different statistical signatures. Depends on the available flying fields, member interests, adult/child ratios, etc.

I would be interested in the MODAL data for the various groups.

Jerry

Throwing a rabid pit bull a bone could be your undoing.

For this newsgroup: Ring!

Bob Kaplow NAR # 18L TRA # "Impeach the TRA BoD" >>> To reply, remove the TRABoD!

TOTAL MM /4 /2 AA BB CC DD EE FF GG HH II JJ KK LL M+ NAR.# TRA.# State Who? 36 00 08 00 03 03 06 06 00 00 02 03 02 01 01 00 01 65261 4513 NY Rich Pitzeruse snipped-for-privacy@syr.edu

Seems like a knobier year generally.

What he said.

Bob Kaplow NAR # 18L TRA # "Impeach the TRA BoD" >>> To reply, remove the TRABoD!

total mm /4 /2 AA BB CC DD EE FF GG HH II JJ KK LL M+ NAR# TRA# State Who?

Christopher Brian Deem NAR 12308 TRA 2256 Level II

TOTAL MM /4 /2 AA BB CC DD EE FF GG HH II JJ KK LL M+ NAR.# TRA.# State Who?