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I'd like to put in with Estes Olympus: https://www.launchlabrocketry.com/shop/p/estesolympus7293

USPS is in failure mode this year. They can't get me a letter from 25 miles away to me in less than 7 days. They have lost a lot of packages this year. One has been sitting in a large city 200 miles away for a month now and when I called I was told it is not lost because they scanned it weeks...

Tiverton? You must be talking about that town in Rhode Island, I know that area well.

I've read in a few places that said ivermectin appears to stop the virus. Quite odd but one can hope it does work since it is a commonly available drug....

I remember all the Blue Laws too, it was good for employees. Walmart doesn't carry rocket stuff anymore so Hobby Lobby carrying Estes is VERY good for the hobby and their discounts are fantastic!

Everyone knows this is cato: https://i.pinimg.com/originals/d8/1a/17/d81a172110feeff516a5350a4342c046.jpg

Ahh, ABS. I almost jumped into the 3d printer thing when it was threaded rods connected with drilled parts but waited and glad I did. SLA consumer printing is become better but just not for me right now but if it works for you, GREAT! If I was into really detailed parts I'd be more interested I...

A lot of the old plans used parts of veggie cans but really, anything cheap and disposable like pie pans surely work well. I have all sorts of metal scrap I'd cut and bang into a shield. Nice launch pad, it looks really stable!

I have read a lot of praise for Simplify 3D with claims of better prints and all sorts of stuff but what objects I've seen printed didn't convince me. Free slicer software is really good now and just keeps getting better. I think you can get better results from slicers other than S3D but it will...

I like that rocket! Nice stuff. Any idea how much it weighs, esp in comparison to other build methods? I have seen some work on people foam filling 3d printed parts and feel that has a lot of promise like this foam disk method.

What material is the FDM parts printed from? FDM black tells me nothing as I can get black filament in all sorts of materials from flex to pla and petg and ABS. I don't print in PLA too often for a variety of reasons but for rocket parts I'd not recommend it due to it's lack of temperature...

Tried and true method especially for long things but angle aluminum works too.

Very nice work! Don't stop doing what you're doing.

I do a lot of FDM printing and have looked at the SLA stuff but there are a few things that hold me back. It is messy. Very messy sticky resin to deal with and it smells. It is costly in terms of resin and as you say here replacing the LCD. Main problem for me is the parts made with it are not...

I find it nice that Estes keeps putting out new designs and brings back old ones and variations. When you have a market that you control that much you can do anything you want.

I have become a fan and scored an ESAM-58 yesterday. Nice kit for $11.99.

Sounds like an improvement on BP.

Thanks for clarifying as I had read cracked cores were a problem. As the energy involved increases I would expect there to be more problems cropping up. Isn't "rocket science" always about trying not to explode with failures far from unknown?

Ok, help me out here. Isn't the problem due to the black powder propellant cracking and this is far more likely on the larger sizes? Is this a problem with composite propellant?

That would work but if you printed the part one wall thick it would be fairly light.