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Messages 9500 - 9529 of 10135   Oldest  |  < Older  |  Newer >  |  Newest
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9500
Thnx Dan I been looking to find 1/4" pvc for other reasons The see thru tubes are also interesting. heck' for like 12k we could build a 12"round x 1o' tall...
dave698221
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May 2, 2009
8:32 am
9501
... Ya, They certainly had the boost worked out for a rather fat and heavy rocket. I've seen 4" fuselage designed to carry cams aloft to 20k' using less fuel. ...
dave698221
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May 2, 2009
8:45 am
9502
I recently came across this simulator: http://www.leosingleton.com/projects/rockets/ <http://www.leosingleton.com/projects/rockets/> I hadn't seen it before...
George Katz
air.command
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May 6, 2009
5:30 am
9503
Hi George, The parachute generator looks interesting. I might have to order some more fabric in and give it a try as one of my chutes is still hanging from a...
mat gardner
mat_cds
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May 6, 2009
6:18 am
9504
Hello, just joined the list. I had flown the Estes rockets as a kid but have been more into model airplanes afterwards. I have been building some simple...
billkuhl53
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May 12, 2009
9:29 pm
9505
Hi Bill, Welcome to the forum. I haven't seen this particular kit before. Do you have any pictures of what was in the kit, as the website does not provide a...
George Katz
air.command
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May 14, 2009
6:19 am
9506
Here's a video of a flight this morning: http://www.youtube.com/watch?v=unMZugsykn4 This was good flight but something is going on that I can't explain. I've...
Pat LeBlanc
digidrink
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May 17, 2009
6:19 pm
9507
Hi Pat, Nice video again! :) I remember Damo a few years ago making a similar observation with a coupling and a 22mm nozzle. What you may be experiencing is...
George Katz
air.command
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May 17, 2009
10:20 pm
9508
George, I think you nailed it. I'll try something like that on my next wrocket (which should be soon since I get about 10 flights out of each before they...
Pat LeBlanc
digidrink
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May 17, 2009
10:56 pm
9509
Hi All, I succesfully launched my rocket with a magnet tumbler parachute side deployment system... After two succes launches the 3d drilled itself in the...
Ruben Frances
rubenlaan
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May 20, 2009
11:55 am
9510
I read about this industrial adhesive which is now available as a craft glue, apparently a derivative of "Shoe Goo". Since Shoe Goo has been discussed here...
Clifford Heath
clifford_heath4
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May 20, 2009
11:23 pm
9511
I've used E6000 interchangeably with Goop for years here in the US, and as far as I can tell it's identical. Someone told me once that all the various...
Dave Johnson
davidkentjoh...
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May 21, 2009
1:27 am
9512
Since the question of glue often comes up, I was thinking it may be worthwhile coming up with a simple standardized glue test that anyone could easily perform...
George Katz
air.command
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May 21, 2009
4:06 am
9513
Looks good Grip with vice grips? Any thoughts for a test to see how well a glue would handle the swelling of a pressure bottle? ie.brittleness? Ralph...
Ralph Oborn
polecatpop
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May 21, 2009
5:26 am
9514
I previously posted the latest flight of my 6 liter wrocket. Here's a video of flights 1 through 10 thats shows the process of trial and error (mostly error):...
Pat LeBlanc
digidrink
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May 21, 2009
12:24 pm
9515
Hi Ralph, That is a very good point. The glue needs to have some flexibility otherwise it may crack and leak even if it doesn't fail completely. I wonder if a...
George Katz
air.command
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May 22, 2009
5:27 am
9516
Hi Ruben, Good to see you have had some successes with the magnet tumbler mechanism. I'm looking forward to the pictures. Please include details of the...
George Katz
air.command
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May 22, 2009
5:41 am
9517
... It probably is. See <http://www.e-6000.com> - that's the Goop company. There are 3 versions listed there though - same thing with different additives. I...
Clifford Heath
clifford_heath4
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May 22, 2009
5:59 am
9518
... That's why E-6000 is often used to join materials having different rates of thermal expansion. Some of the physics/engineering concepts you'll need to...
Clifford Heath
clifford_heath4
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May 22, 2009
6:12 am
9519
I like the glue testing ideas. Sure wish I had time to do some. I think the static test of pull apart is good for comparison of adhesion. But, for our...
Mike Passerotti
mikepasserotti
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May 22, 2009
12:43 pm
9520
Maybe we're talking about different things here, but the one time I tried Goop in the past, it caused cracks to form in the FLT plastic, possibly the PET...
John Knutson
the_naimis
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May 22, 2009
11:47 pm
9521
We're talking about the same thing. It does that to polycarbonate (FTCs), but not to PETE (bottles). Incidentally, I've never used this glue for splicing, only...
Dave Johnson
davidkentjoh...
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May 23, 2009
12:04 am
9522
I've just finished most of the repairs on my launcher, and was going to start putting together a booster... But it's been a LONG time. I can't even remember...
John Knutson
the_naimis
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May 24, 2009
3:09 am
9523
I would say that using a hot knife would be fine for cutting off the bottoms of the bottles if you plan on curling the edges afterwards. But dont use a hot...
Ed
houston_wate...
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May 24, 2009
4:00 am
9524
Hi Ed, I find that the slightly rough edge from cutting with scissors really doesn't matter for curling the edges. As you put the bottle on the hot plate any...
George Katz
air.command
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May 24, 2009
8:31 am
9525
Sorry that was supposed to say "Hi John and Ed" since John originally asked the question.......
George Katz
air.command
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May 24, 2009
9:45 am
9526
Thanks for the response, George. I think I may have made that same discovery about cutting along the side of the bottle closest to the floor (rather than the...
John Knutson
the_naimis
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May 24, 2009
4:54 pm
9527
I agree with your tips George. But I am still interested if someone out there has come up with a way to quickly cut the bottles, other then the slow method of...
Ed
houston_wate...
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May 24, 2009
9:04 pm
9528
... I've seen simple wooden jigs used. Two lengths of wood are fixed at right angles to each other to make an L shape, with an end stop across one end. The...
rocketsinbrighton
rocketsinbri...
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May 24, 2009
9:47 pm
9529
Here's the launcher (minus a leg) in case anyone was curious Sent on the Now Network™ from my Sprint® BlackBerry ... From: John Knutson...
the_naimis@...
the_naimis
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May 25, 2009
12:59 am
Messages 9500 - 9529 of 10135   Oldest  |  < Older  |  Newer >  |  Newest
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