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Usually isopropyl alcohol. Depending on the specific resin you can usually use Simple Green, also. Nothing fancy.

If you use a LiPo jump starter pack not only save a lot of weight, you save a few pieces and simplify your circuitry. You won't need a dc/dc converter since it's already built in, you just need an extension to take the pack's USB out to the panel. You won't need the weight of an internal...

Does anyone have a 3D model of the SR-71/Nightwing nose cone?

Look what I got at Target!! (yes, i got the watermelon there, too)

I started with a 4 tier x 12 shoes Shoe Tree from amazon https://smile.amazon.com/dp/B00AEXIYEC/ref=psdc_11601913011_t1_B00N43JURE (or something similar, they come in different colors and either 3 or 4 tier) Using bolt cutters I snipped each of the shoe loops so it was only a single rod. I...

Could you scan it?? I can print it here

Does anyone have a scan of the decals for the quest kit? I had to repair/repaint mine and would like to print some new decals for it.

I recently got access to a laser cutter, so I'm going to try making one with 1/4" MDF

Does anyone have a scan of the fin patterns/balsa sheets?

Sadly, it seems that the Screaming Eagle is OOP. Does anyone have a good scan or photo of the fin sheets? I see that the manual is available online, but not the balsa patterns.

Do you have a scan of the fin sheets?

Apogee has a nice paper about lightening and strengthening centering rings. https://www.apogeerockets.com/education/downloads/Newsletter126.pdf

For lightweight rings (typical estes low power) I use often use Chinet paper plates.

I found that if you have OR print the fin templates to PDF you can then import the PDF into InkScape or something similar. You then have to Ungroup the page several times and eventually you will have individual objects.

I keep seeing low cost solid state laser cutter/engravers on Banggood and AliExpress in the 2W to 5.5W range, typically between $200 and $300. There's also the 40W CO2 laser cutters on AliExpress and eBay for about $400 to $500. I only do low & mid power, so most of what I'd be cutting would...

BMS carries 12" lengths of launch lug, so I'm just going to put one long one rather than have to worry about the two-piece approach

According to the .ork file, the BT-55 is cut into three pieces. Is this just a convenience for OR? Is the BT-55 really just one piece?

It makes me wish I had a laser cutter!

I've had charcoal smokers, then propane (Masterbuilt POS, it lasted 2 years and rusted out), now I have an electric Smokin'It 2 and love it. It's stainless steel, double walled, insulated, and keeps a reasonably steady temperature. https://www.smokin-it.com/Smoker-p/smkmdl2.htm