Cliff Great explanation, thanks. Charlie Wittman, RG, CEG, REA, Director, Advocates for Children and Families CCHR Board of Advisors, theacf@xxxxxxxxxxx PO Box 10, Los Gatos, CA 95031, Main ACF WWW site:: http://www.theacf.org CRIN: http://www.crin.org/organisations/viewOrg.asp?ID=1774 CCHR: www.cchr.org NCFJwest, Divorce/child custody www.ncfjwest.org KI6PQQ LUNAR #1405, http://www.lunar.org Aero-Pac # 699 http://www.aeropac.org NAR [L3] #85655, http://www.nar.org Tripoli [L3} #11202 www.tripoli.org Date: Mon, 20 Feb 2012 02:25:55 +0000 From: gary-walker@xxxxxxxxxxx To: tccrockets@xxxxxxxxxxxxx Subject: [tccrockets] Re: Shikra 24 Great explanation Cliff.... but... what if it cork-screws? Sorry, just messin' with ya! That actually was a very good explanation for us "gotta see it on paper", visual types. GW From: "Cliff Sojourner" <cls@xxxxxxxxxxxxx> To: tccrockets@xxxxxxxxxxxxx Sent: Sunday, February 19, 2012 10:56:44 AM Subject: [tccrockets] Re: Shikra 24 no rocket flies perfectly vertical. the barometer reading is the real apogee, the accelerometer reading is the distance traveled to apogee. imagine a triangle, one point at the launch site, the hypotenuse is the accel, the long side of triangle is the baro; so the short side of the triangle is the radial distance from the launch point. so Pythagoras says Shikra flew 85.4 degrees! pretty darn excellent! On 2012-02-19 09:01, Sam Fineberg wrote: > The difference between beep altitude and the other number may be baro vs. > accelerometer altitude. I'm not sure which one beeps out. You should have > both in the fip file. > > Sam > > > > On Feb 18, 2012, at 8:16 PM, Chris Franco<chvy91bowtie@xxxxxxx> wrote: > >> For Rob and anyone else interested I flew my shikra 24 today on a CTI G150. >> It hit 911 mph, 7827 ft agl (not sure why the raven beeped 7791) pulled >> 91.72 gees and hit mach at 94 feet AGL. Perfect flight and recovery 1.3 >> miles away. >>