Hello, I have just had a chance to continuing work on a rocket that I started months ago. I got seriously delayed by a severely broken index finger, which...
Hi Mark, I use a good quality pair of standard scissors for Fiberglass and Carbon. Mick and others swear by the purpose-made Kevlar shears for working with...
Lakestake Rocketry
lakestake@...
Aug 2, 2007 12:32 am
5739
Pizza cutters do NOT work for kevlar and I've tried the very best commercial ones. For fiberglass and carbon, no problem - for kevlar, you might as well be...
Agreed. Pop for the HD Kevlar shears. Lesser cutters just don't cut it. (Sorry, couldn't help myself.) Lynn B. ... commercial ... as well ... I've always...
Hi Mark, Working with Kevlar is a pain at best, especially if you are trying to trim excess from a complex shape that has been laminated to the airframe. I...
Just some thoughts on doing any secondary laminating onto a resin rich surface, there is a lot secondary bonding that takes place when constructing a composite...
Gentleman I think Mark was only asking about the CF as the kevlar is a sock for the airframe and appears to be completed. Mark the Pizza Cutter type of siccors...
Almost any pizza cutter type roller knife for fabric works like gangbusters for fiberglass and carbon fiber, but forget it and I do mean FORGET it for kevlar....
Thanks all. I will need to get the scissors I do beleive. Any suggestions as to brand and place to get them? Mark Koelsch ... From: Warren Musselman...
Soller composites sells a pair that won't cut too big a hole in the budget. Jon Soller the proprietor frequently has special offers for this group so I try to...
A Lenox Gold blade cuts Kevlar easily. Home Depot has 'em for just a few bucks per pack. http://www.colonialvirginiahpr.org/images/kevcut.JPG -Ed ... From:...
While not a composite rocket question per-se you guys know more about matierials than I do so I figured I would start here. I've been working on my L3 project...
Hi Jeff, Is there a way to contact the manufacturer, perhaps through your dealer, to get a definitive answer? How about the folks on your L3 committee? The...
Cord feels the same and I don't detect any fraying. It's cord from Giant Leap so maybe I'll send them an email. Giant Leap says it was tested to 6000 pounds...
Since things are still a little slow, here's an update on progress for my recycled two-stage project. This rocket is a 4" booster to 3" sustainer, made from...
I believe it was Jim Jarvis who said something on here about superfil having small bubbles or voids after sanding, that he fills with thinned wood filler?...
Jordatn, How is it not perfect" Knowing this might help. I use it a lot and generally find it to be a terrific product but maybe my standards aren't as high....
There are just small low spots and I just want to lightly fill it... But I guess Ill coat it with the filler again instead of the micro balloon filler... Like...
Either way ; sometimes small defects I just use elmers wood filler. Dries in minutes vs hours. J ... There are just small low spots and I just want to lightly...
Thanks... I went with the aerpoxy filler, I used the same stick however that I used for the fillets, so it basically filled the low spots and was scraped off...
Jordan, If you have wet/dry paper do he final sanding wet--it will look and feel like porcelain when done. J ... Thanks... I went with the aerpoxy filler, I...
Should I be getting it that smooth though before priming? Seems like 240 grit (I know 220 is most common but I got a brand which has 240 instead) would be a...
... see. ... Thanks Lynn. I was able to do a small two-stage flight yesterday at Hutto. Only went to 3700 feet, but everything happens right in front of you....
My belief has always been to get things looking and feeling as good as one can before applying primer--in fact if I could do without, I would. go straight to a...
... That's pretty much the method I use Jordan. Even though it'll feel smooth to the touch, it'll still have enough roughness to allow the primer to bite. The...
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