Centuri LIA-77 Launch pad
I came across an original Centuri igniter/deflector a while back and have been trying to replicate the tripod. I've built a couple by trying to scale from photos, just can't get the look right. Does anyone have one that could post tripod leg tracings or info?
Thanks John |
John,
Legs are cut from 1/2" x 3" pine and base is from 1/4" masonite. Photo is here and pattern is here. We were going to produce this last year, but the cost would have been in the $25 -$30 range. We felt that would be too high to continue the project. We have quotes on the blast deflector. I started to order a few just so I could produce a few pads for our use. I saw an LIA-100 at TARC a few years ago. The student did not know what it was. He said he borrowed it from his Dad's old stuff. It had been well-used, but was still recognizable. I talked him into using the pad supplied by TARC and told him to go back and see if his Dad kept any of his other stuff from the 60's. |
Would like to see Carl produce the LIA-100.
Several would be sold surely. I think the price for that LIA-77 sounded good. |
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Carl, Thanks so much for the scans and info, I should have a working LIA-77 in a couple of days. Thanks also for Semroc, great products but most important, the best customer service! Thanks John |
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What else did one get for the extra buck-twenty? Longer leads? 3/16" rod? Doug . |
I'm pretty sure everthing on the 100 is up-scaled. Nothing is mentioned in this catalog page in the deflectors being different.
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The different deflector material is in the second bullet on each page. Doug . |
It was larger in size. I think the legs were longer and the rest was the same, except for the 3/16" launch rod. The asbestos, if present, was a good idea. The blast deflector did not cover the masonite, so even the smaller engines would destroy it in a few launches. The LIA-77 I have does not have the asbestos pad.
The shipping weight was one pound more, 4 pounds for the LIA-100 vs 3 pounds for the LIA-77. I had plans for the LIA-100, but I cannot find them now. |
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I would think even the asbestos would get blown away by the blast. I was tired of having Estes blast deflectors gunk and rust up, so I decided to paint a few with Hobbypoxy paint. Of course, the first launch simply blew a chunk of paint off! The second launch got under the paint layer and blew even more off. I bought a roll of asbestos paper, intending to glue it to blast deflectors, and to our club's rack launcher, but never did anything with it. |
Skip the steel and the asbestos.
Ceramic is the way to go. Or buy a few cheap galvanized roofing shingles and replace them as they burn through or get too grungy. |
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