Sure, I'd like to take a look. Bring it to DA if you can! On Tue, Mar 24, 2015 at 5:44 PM, Steve Ainsworth <SAinsworth@xxxxxxxxxx> wrote: > The Vertical Trajectory system as flown at TCC uses a horizon sensor for > yaw and pitch and a solid state compass for roll. All control is through > the Basic Stamp, which just supervises the operation, turns things on/off > and sets sensitivity. It is set up in a 2.5" airframe. Let me know if you > would like to fly it. There was another, VERY COOL project flown at > TCC that used roll control fins but I am not sure of the status. I think > is was a 4" airframe with lots of electronics. Much more sophisticated > than mine. I do have some on-board video of several flights. > > > > Steve A > ------------------------------ > *From:* tccrockets-bounce@xxxxxxxxxxxxx [tccrockets-bounce@xxxxxxxxxxxxx] > on behalf of Rob Diehl [rwdiehl@xxxxxxxxxxxxx] > *Sent:* Tuesday, March 24, 2015 10:51 AM > *To:* tccrockets@xxxxxxxxxxxxx > *Subject:* [tccrockets] Re: March Launch > > Fin alignment would be a big factor as would beveling. But the rail > buttons or any other protrusion could cause some (or counteract it) spin. > > If I recall correctly, the airflow around the tube wants to spin. I cant > remember if it is coriolis force or some other, but there was an article > about a guy making a multi tube rocket (scale Shuttle?) and was having > issues with the rocket disassembling on ascent. Longitudinal fences > corrected the issue. > > Some of my videos have the rocket stay stable, then spin one direction, > then spin the other direction. My camera was taped to the rocket and I > highly doubt it was done symmetrically. I assume air pressures pushing > around the nose cone at different speeds interacted with the airframe and > appendages at different points. > > I remember the roll stability project. I cannot remember his name > though. I thought he was using a STAMP processor for that. > > I am just working on getting them up and down again, in the correct number > of pieces. Active stabilization is above my pay grade at this point. > > Rob > > ------------------------------ > *From:* Chris Attebery <chrisattebery1971@xxxxxxxxx> > *To:* tccrockets <tccrockets@xxxxxxxxxxxxx> > *Sent:* Tuesday, March 24, 2015 6:47 AM > *Subject:* [tccrockets] Re: March Launch > > My theories have ranged from fin misalignment to inconsistent fin > beveling to the way the cameras were mounted. > My DoorKnob only rotated about 90 degrees before apogee at October Skies. > The tube was pre-slotted and I used a router table to shape the edges of > the fins. Was it preparation or just dumb luck? > My TRA Level 2 Flight - 10/18/2014: http://youtu.be/ahpt81EWN40 > > > On Mar 24, 2015 6:22 AM, "Richard King" <drrbk@xxxxxxxxxxx> wrote: > > I watched all of Dave’s flights and subsequent videos. What struck me > was how little roll I noticed on the flights (Nice fin alignment!). > However, even when the flights are that straight and with minimum roll, > there is still the “spinning movie” effect on ascent. Not as bad as most > that can leave one with motion sickness.... I was just wondering how many > people have specifically made a rocket with major anti-roll attributes? I > recall one guy a few years back (sorry I don’t recall your name, but wore > an official looking white jump suit) that was running experiments – one of > which was anti-roll. Just thinking how cool it would be to see a video > without any roll. I’m not trying to set the bar higher for others who > video their flights. All the videos are great. I’m just wondering if some > are working on that particular issue. > > RK > > > > *From:* aaron hagadorn <hagadornclassics@xxxxxxxxx> > *Sent:* Monday, March 23, 2015 10:03 PM > *To:* tccrockets@xxxxxxxxxxxxx > *Subject:* [tccrockets] Re: March Launch > > Wish I could have been there but prior event took priority sorry guys. > Cleaning party is a must and then prep for DA2015. > On Mar 23, 2015 1:12 PM, "Ben Sandoval" <yobenflstf@xxxxxxxxxxxxx> wrote: > > Great job to everyone who pitched in, wished I could have made it. David > nice video as always. > > > > On Monday, March 23, 2015 8:21 AM, Jimmy Franco <Aldocyber3@xxxxxxx> > wrote: > > > Nice David, > > I always enjoy watching your videos. > > Jimmy F. > TRA 12524 > > *From:* James Dougherty <jafrado@xxxxxxxxx> > *Sent:* Monday, March 23, 2015 7:31 AM > *To:* TCC chat <tccrockets@xxxxxxxxxxxxx> > *Subject:* [tccrockets] Re: March Launch > > Very cool! Thanks David > > -James > > > On Mon, Mar 23, 2015 at 12:25 AM, David Robb <robbdm@xxxxxxxxxxx> wrote: > > Thanks all who LCO/RSO'd/setup/took down, I had a great time... while I > didn't launch half as many time as the "Green Machine"... I got four up and > back... > My Broken Arrow XP on an Aerotech L1040DM reached 10,157 ft. > Video of my flights.... https://youtu.be/h52qmImWxO4 > ================== > David M. Robb > robbdm@xxxxxxxxxxx > ----- Original Message ----- > From: James Dougherty <jafrado@xxxxxxxxx> > To: tccrockets@xxxxxxxxxxxxx > Sent: Sun, 22 Mar 2015 18:28:39 -0000 (UTC) > Subject: [tccrockets] Re: March Launch > Hey Folks, > Thanks for the great launch day yesterday! Special thanks to Richard > King and > Jimmy Franco for hauling the trailers and PP. > Next month, we plan to have a cleaning party - stay tuned for details > and thanks > again for everyone showing up and helping out - that's what makes a great > club! > -James > > On Fri, Mar 20, 2015 at 9:19 PM, James Dougherty <jafrado@xxxxxxxxx> > wrote: > > NOTAM is hanging, we go live at 16Z > See you all tomorrow! > > On Thu, Mar 19, 2015 at 5:28 PM, James Dougherty <jafrado@xxxxxxxxx> > wrote: > > Awesome! Thanks Mike > See you Saturday > -James > > Sent from my iPhone > > On Mar 19, 2015, at 10:08 AM, Michael Gentile <smmike@xxxxxxxxxxx> wrote: > > Hi all, > BAR will be on site for this Saturday's launch. The wagon is full. > Even have some Madcow killer deals. > Should arrive by 8am. > Mike @ BAR > Sent from my iPhone > > On Mar 19, 2015, at 12:57 AM, James Dougherty <jafrado@xxxxxxxxx> wrote: > > Right on! Thanks Jimmy > > On Wed, Mar 18, 2015 at 11:24 PM, Jimmy F. <Aldocyber3@xxxxxxx> wrote: > > I'll stop and hook them up to my truck on the way > out. > Jimmy F. > TRA 12524 > *From:*James Dougherty <jafrado@xxxxxxxxx> > *Sent:* Wednesday, March 18, 2015 10:01 PM > *To:*TCC chat <tccrockets@xxxxxxxxxxxxx> > *Subject:* [tccrockets] Re: March Launch > Hi Folks, > Can anyone haul the porta-potty out to the launch > site? > Thanks! > -James > > On Wed, Mar 18, 2015 at 10:01 PM, James Dougherty <jafrado@xxxxxxxxx> > wrote: > > Hey Everyone, > NOTAM issued today. > Launch is a go for > Saturday!!! > -James > > On Mon, Mar 16, 2015 at 11:58 PM, James Dougherty <jafrado@xxxxxxxxx> > wrote: > > You know it! See you with the V2 this weekend :-) > > On Mon, Mar 16, 2015 at 10:15 PM, Richard King <drrbk@xxxxxxxxxxx> wrote: > > While March may be an “off month launch,” the weather should be > superb! For those thinking of flying high altitude, this may be the > best month to plan on doing so. > James, bring your V2 as is. Mine isn’t finished either, but > let’s compare builds. > > RK > > > > *From:*James Dougherty <jafrado@xxxxxxxxx> > *Sent:* Monday, March 16, 2015 10:03 PM > *To:*TCC chat <tccrockets@xxxxxxxxxxxxx> > *Subject:* [tccrockets] Re: March Launch > > Hey Everybody, > I hope everyone is looking forward to the > launch this weekend; > Richard is hauling the trailer - we're go for > Saturday! > > We got the porta-potties cleaned, if someone wants > to bring them > we can check them out and make sure they are in > good shape. > > I plan to survey all the gear so we can have our cleaning > party > next month and get everything ready for DairyAire. > See you all on Saturday! > -James > > > > On Tue, Mar 3, 2015 at 11:56 AM, James Dougherty > <jafrado@xxxxxxxxx> wrote: > > Excellent! Thank you Richard > -James > > On Tue, Mar 3, 2015 at 6:16 AM, Richard King > <drrbk@xxxxxxxxxxx> wrote: > > I should be available to haul the trailer. > > RK > > > > *From:*James Dougherty <jafrado@xxxxxxxxx> > *Sent:* Monday, March 02, 2015 10:40 PM > *To:*TCC chat <tccrockets@xxxxxxxxxxxxx> > *Subject:* [tccrockets] March Launch > > Hey Folks, > > Do we have any volunteers for trailer hauling this month? > > -James > > > ------------------------------ > <http://www.avast.com/> > This > email has been checked for viruses by Avast antivirus software. > > www.avast.com > > > > > > ------------------------------ > <http://www.avast.com/> > This > email has been checked for viruses by Avast antivirus software. > > www.avast.com > > > > > > > ------------------------------ > <http://www.avast.com/> > This email has been checked for viruses by Avast antivirus software. > www.avast.com > > > >