JimZ does not yet have the 62SL on his site. Does anyone know the length of the body tube and dowels? I'm attempting an upscale and want to make sure that I...
686
doug holverson
dholvrsn@...
Apr 11, 2001 6:54 pm
... Well, I have an assembled kit. The dowels are 3/32"x8", the body tube is ST-5 (aka: BT-5) x 2.5", and the fibreboard fin gusset thingies are 7/8"x7/8";...
687
greedyshark@...
Apr 11, 2001 7:24 pm
... tube is ... is ... 7/16" ... end of a ... Hey Doug, Thanks very much for the info!! By the way, your Centuri site is spectacular!! What memories!! ...
688
doug holverson
dholvrsn@...
Apr 11, 2001 10:17 pm
... Thank you. Now all I need to do is expand and update it. Now check out my comic site: http://showcase.netins.net/web/flexia And some as yet unlinked...
689
slippery_arts@...
Apr 12, 2001 5:41 pm
Greetings fellow Old Rocketeers! The snow here in Minneapolis is gone, at last, and I'm itchin' to blossom some parachutes. Anybody been launching yet? I am...
690
Steve Humphrey
merlyn@...
Apr 12, 2001 5:49 pm
... That's when I started, too. And I'm sorry but I just can't part with my '69 catalog. :-) However, you can find scanned copies here: ...
691
Sven Knudson
sknudson@...
Apr 12, 2001 6:07 pm
... Robert Blaske has such a calculating program on his web site at: http://www.petcosouth.com/rblaske/shroudcalc.htm ... Sven Knudson | "The...
692
gacrowell
gacrowell@...
Apr 12, 2001 6:22 pm
'Despite their slightly different form, these two sets of equations give identical results for 'Rad1, Rad2, and Arc. The intermediate 'E' is different, but...
693
waivlink@...
Apr 12, 2001 9:10 pm
In a message dated 4/12/01 12:31:04 PM Pacific Daylight Time, ... Dan, Here's a little shroud program I picked up. I can't recall where I got it, but it does...
694
Wayne Hortensius
hortensw@...
Apr 14, 2001 3:56 am
... and I ... lot, so ... would be ... Oddly enough, there's a pair of Estes catalogs up on eBay right now; a 69 and a 70! $33.50 for the two of them (current...
695
Wayne Hortensius
hortensw@...
Apr 14, 2001 4:37 am
... Hi Scott. Um, I was just replying to the guy who was looking. When they're that old (and that expensive), I'll happily settle for the scans on JimZ's and ...
696
slippery_arts@...
Apr 17, 2001 4:15 am
Thank yous to everyone who responded to my message. You guys are great! By the way, I got the catalogs. On my first bid on my first Ebay auction. Whodathunkit!...
697
John Buckley
jbuckley@...
Apr 18, 2001 5:58 pm
OK Folks- Here's my latest project. I'm working on upscaling the old Estes Gyroc to fly on a D motor for competition. Initially I plan to use BT50 instead of...
698
Steve Humphrey
merlyn@...
Apr 18, 2001 7:52 pm
John- ... Let me guess...D HD at NARAM? :-) ... Why not stick with the original size and use an 18mm D? A nice long flight in a D7 should send it up (and out...
699
Gregory Elder
gelder@...
Apr 18, 2001 8:07 pm
... For official NAR sanctioned timed events, motors may not be ejected. Look at rule 15.2 in the Pink Book....
700
Steve Humphrey
merlyn@...
Apr 18, 2001 8:22 pm
Gregory- ... Yep, you're right, rule 15.2 is clear about this. Bummer, looks like the ol' Gyroc idea may need some thinking... Steve...
701
laird.kelly@...
Apr 19, 2001 1:22 am
On Wed, 18 Apr 2001 12:58:14 -0500 (CDT) John Buckley ... The original Tape Hinge material was an adhesive backed paper tape similar to self-stick labels by...
702
jvincent@...
Apr 19, 2001 2:20 pm
... Gyroc to ... instead of ... (x1.33). So, ... under ... As Greg pointed out, under NAR duration rules you can't separate the model (eject the motor). I've...
703
Shear Zone
shearzone@...
Apr 20, 2001 2:00 am
The no-engine-spitting rule should be viewed as a challenge, not a defeat! All the upscaled Gyroc needs is a mechanism to release the fins (assuming they're...
704
laird.kelly@...
Apr 20, 2001 4:00 am
On Wed, 18 Apr 2001 12:58:14 -0500 (CDT) John Buckley ... I forgot to mention the engine problem - the original Gyroc ejected the engine shifting the center of...
705
Fehskens, Len
len.fehskens@...
Apr 20, 2001 2:47 pm
I would consider using a BT-55 or a BT-60 as the airframe and a rear ejected BT-50 engine mount with a chute wrapped around it. The larger body would have...
706
Gregory Elder
gelder@...
Apr 20, 2001 7:07 pm
... Rules state no engine ejection. By the way, I remembered last night that sunsite has plans for a Gyroc-D, using BT-55 tubing. If you ftp to ...
707
laird.kelly@...
Apr 20, 2001 11:54 pm
On Fri, 20 Apr 2001 13:07:27 -0600 (MDT) Gregory Elder ... larger ... coefficient ... My pink book says: 9.2 Ejected motors No entry in sanctioned competition...
708
kwickart@...
Apr 21, 2001 12:23 am
... Rule 32.1 states "Helicopter Duration Competition comprises nine events open to any single-staged model rocket which uses autorotation as the SOLE means of...
709
Scott D. Hansen
scotth@...
Apr 21, 2001 12:48 am
... That is correct. Scott ... NAR# 73268 SR WOOSH and NIRA Visit Ye Olde Rocket Shoppe to buy & sell any rocketry/space related items. ...
710
laird.kelly@...
Apr 21, 2001 2:30 am
... Which still leaves Precision Altitude, Precision Duration, Spot Landing... *g* Two options, remain faithful to the original design and sacrifice HD *or*...
711
Greg Elder
gelder@...
Apr 21, 2001 2:36 am
Here is what rule 15.2 states: 15.2 Separation Unless specifically allowed by the rules of that event, no timed entry may separate into two or more unattached...
712
kwickart@...
Apr 21, 2001 4:06 am
... Basically, this means that the only non-altitude events in which your model may eject its motor in *any* way are Boost Glider Duration, Scale, and Drag...
713
laird.kelly@...
Apr 21, 2001 6:55 am
... My bad, I meant to type Drag Race *not* Precision Duration 8-( Oh well, now John can get to the easy part - building a model that will go up and come back...
714
kwickart@...
Apr 21, 2001 3:23 pm
... Actually, if you can engineer through the "no separating" problem, a Gyroc might be a very good choice for Precision Duration. It has a steady drop rate,...
