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The Thrifty Rocketeer blog continues….

Normally, this blog tries to offer you some useful, optimistic suggestions.But at present, we will look at a couple of issues Not to attempt.

Just tonight, I was chatting with some rocketry associates by Zoom, and one of many more senior guys holds up a few pieces destined for his high power rocket. He’s asking for assist and recommendation on the right way to proceed.

He’s got a medium sized carabiner in his proper hand, and in his left is a strip of what he is looking an elastic band. (It seems to be extra like the headband that Spock wears in Star Trek IV: The Voyage Home, but irrespective of.)

It’s an extended size or skein of two inch large elastic band that looks like it would both go in a truss, a bra, or some form of again brace.

And he is asking, «How do I attach this to that?»

The dialogue begins and guidelines out sewing (trigger the stitches won’t stretch), rivets (trigger they will pop every time it stretches), grommets (for a similar cause) and glue, (as it will not «give» without cracking).

One rocketeer stated, «Dump it, just get a nylon rope or related woven tube, and tie it on», simply as you’ll in mountain climbing.

We all just about agreed that the 2 inch width of the elastic band won’t permit for a tight knot to be tied around the carabiner, so we settle on the nylon tube/rope concept.

Now this began me thinking in regards to the time that I thought-about making my very own shock cord out of elastic. I used to be doing a scratch construct for a recycling display on how you could turn strange trash into a quite simple rocket and nosecone with plastic Wal-Mart bag parachute. For a shock cord, I had settled upon an old pair of men’s tighty-whitey briefs.

I satisfied my wife to lend me her pinking sheers, and i used a seam ripper to free the elastic band from the pair of shorts. Very quickly, I uninterested in the seam ripper, and went for a straight sharp pair of fabric sheers, and just lower as near the waist band as I may.

Now that I had the loop of elastic free, I don’t recall if I minimize throughout the appear or ripped it free, however I wound up with a single length of 1 inch large elastic that still had lots of stretch in it.

Deciding that the band was too large, I took the fabric sheers and lower down the center of the band leaving an equal width of elastic band on both side of the lower. What I hadn’t counted upon was the fraying, which began immediately. If you have any inquiries with regards to wherever and how to use jacquard elastic webbing; benz.lv,, you can contact us at our web site. The 2 elastic strips, whereas about forty two inches lengthy, curled and buckled, refusing to put flat.

This was symptomatic of how the elastic band would behave no matter how I lower it , stretched it, or steam pressed it. I realized that you simply Can’t cut an elastic band lengthwise had have it work. (Now, for the needs of my poster board display of the elements of a rocket, it labored well sufficient, but for truly use in a rocket, my concept wouldn’t have labored.)

What WOULD work is the acquisition of about three ft of narrow 1/8-1/four inch elastic from Joann Fabrics or comparable store. Aside from the run on this material to make masks during the pandemic, this is able to work for smaller, low-energy rockets in the event you wanted to replace a shock cord.