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Hey Everyone, I have a CTI Pro98 6XL reload and the nozzle didn't quite seat all the way into the liner. It is assembled correctly, with no grain spacer O-ring between the forward closure and top grain, and no grain spacer O-ring between the bottom grain and nozzle. So five O-rings were used...

I seem to have misplaced the O-rings to my N-1560 in the 4 years since I bought the reload kit. Does anyone know what sizes they are? I figure it'd be faster to order them from McMaster than from CTI. I've searched here and elsewhere but came up empty. Thanks! UPDATE! Disregard. I found them...

Hey there, Is Rustoleum an enamel or a lacquer? Or neither? Or more specifically, can I put Krylon Fusion over Rustoleum Primer? There seems to be a spray paint shortage of all brands, and the only primer I could find was Rustoleum Automotive, and the only brand that had the correct colors was...

Howdy! Does anyone have an actual Centuri KA-4 Mach 10 boost glider they’d like to sell? I’d also settle for the MoreRockets version if an original doesn’t materialize. Thanks

Hey everybody, There's a ton of really cool high performance build threads happening right now, so I though I'd pile on. This project has been in the works for literally years. I bought a Loki 54/4000 case right when Scott at Loki Research released it. My intention from the very beginning was...

I just had rocket disaster... I'm looking for folks that have used Cotronics 4525 for fillets. I just had a somewhat beefy fillet fail while I was holding it to sand the fillets. I was squeezing it somewhat firmly but nothing out of the ordinary. I was able to break off all four fins pretty...

So I've been struggling with how to keep leading edges and tip to tip reinforcements intact during high speed (M2.7+) flights. Mach 3.7 in this particular project. I've been doing lots of combing through threads here, a flight or two of my own that illustrated what not to do, and some laying...

Buying new tools can be therapeutic. Especially nice tools. I've been using the same pair of Harbor Freight digital calipers for about 15 years. At less than $20 I definitely got my money's worth. Recently they seemed to wander a bit more than usual and didn't want to reliably zero. And maybe...

Hi all, I'm about to move into some unfamiliar territory, at least for me. I'm going to try and mold a nosecone for a sub-minimum-diameter project using a pressure bladder inside the mold. This isn't a new technique. R/C discus launch glider folks have been making fuselages this way for a while...

Has anyone used Cotronics 4461 as a high-temp laminating resin? I've just received a kit that I'm intending for that purpose and I just wanted to see if anyone had any thoughts or observations before I get started. It seems like it will be the the right viscosity when mixed. The Aeropoxy and...

I ordered a Loki 54/2800 motor case from Ted at OneBadHawk. Unfortunately it was my first instance of having a package stolen off my doorstep. All caught on my Ring doorbell... It was posted in the Ring Neighborhood group. Other neighbors have seen the truck, it's pretty distinctive. I...

I'm just putting the finishing touches on a custom boat tail kit that Mike at MAC Performance made for me. All the usual MAC awesomeness applies. Perfect parts fit, great materials and outstanding attention to detail. And Mike is great to work with, I have a rocket buddy I've yet to meet. Nat at...

I keep getting Amazon imposter ads with a pop up saying I've won some amazing product, then it hijacks the browser and I have to close the tab. Only happens on TRF. Anyone else getting these? It's pretty much malware...

As a corporate pilot, general aviation flight instructor and rocket nut, I have some complicated and conflicting opinions on this subject, some pro, some con. Currently I feel the rocket nut side of me has the most to lose. So here goes- Has anyone given any thought to how the proposed...

Being baro only, can the Easymini be mounted horizontally, rather than vertically? As in perpendicular to the longitudinal axis? Thanks!

Hi All, I've had this parachute and deployment bag for close to 20 years. It's never been flown, and I don't particularly remember where I got it. It's a really nice parachute. The detail is amazing, and all the seam tape makes it look pretty indestructible. I vaguely remember it being a...

Not my project, but it is using my pre-preg. Glad it's going to good use! Layers are applied, it'll get bagged tomorrow and cooked the day after. Posted with the builder's permission who's not on this forum and would like to remain anonymous.

Gents, I'd like a little help with an unconventional setup. I'd like to accomplish dual-deploy with a single airframe break utilizing a deployment bag. I'd also like to avoid the "free bag" setup, my flying field might make that problematic. I've searched on this subject here quite a bit, and...

I've had a fair bit of success putting altimeters in nosecones. In those cases it was a Featherweight Raven with the static ports near the base of the nosecone. Now I would like to move the altimeter farther forward, as far forward as it will go into the tip of the nosecone. In this scenario the...

Hey all, I'm looking for a build thread that I swear I saw a while back for Chris Franco's G Impulse alititude record rocket. I have searched and searched but can't find it. I did find Steve Boetto's thread for the F record here-...