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As jmasterj said above, probably 38mm. I'm guessing 29mm too, since the "impulse buy factor" (pun intended) is much higher on smaller, more affordable less expensive hardware. From a selfish perspective, if there were 75/5120 hardware available, I'd buy that in an instant (since I want that...

There has been some really cool special edition Aerotech hardware released for previous events. Is it known if there will be special edition LDRS 42 hardware? I haven't noticed if that is a standard thing, or only once in a while. I'm in the market for 75mm hardware and am curious if I...

So, after typing my response, I think maybe we're submitting our complaints to Estes differently. (EDIT: Sorry I forgot to answer your question. No, I've not tried any more recently than September last year) I'm not sending an e-mail to an Estes account. I'm going to their website, and...

I've had no issues. Just to be sure your issues were successfully submitted, did you get an e-mail like this after filling out the form: Also, you can go back to their website and click on "Service", then "Help Center" and login. From there, if you click on your name in the upper right...

I've never thought about it much before, but doesn't the CP need to be constrained to the physical extent of the rocket? Can a CP really be out in space ahead of the rocket? That doesn't make sense to me. I get that it will push CP forward, but that result above doesn't pass the laugh...

Thanks for the confirmation! As for progress, I haven't glued my wings back onto the body yet. I'm contemplating making a silicone mold of the plastic molded parts. It's kinda a big investment to get the materials together to make a mold and cast reproductions. Progress is stalled...

If manually discharging, do not discharge "all the way". Don't go below 3 volts per cell.

I do have a question for the community though. There are wing reinforcement panels that you can see in my picture in the post above. When I made my fin marking templates, I glued the paper printout to a piece of card stock. I am curious what material the original printout for the wing panel...

I've been wanting an Estes Stealth (kit #1929) since I was a kid. They just don't pop up that often. I also didn't really want a brand new in package kit since I want to build and fly it, and the new in package premium is pretty steep. I watched an auction for a built Estes Stealth along...

I have decals for this version of the mongoose: If you want these you can have them, but I don't think they are the right "Mongoose". LMK.

Ok, this one is a long shot. I have sold all my Missile Works GPS units. While I had them, I was worried about reports I'd seen of the GPS antenna getting damaged on a hard landing or other "shock" event. I purchased two replacement GPS modules from Mouser just in case I ever had to repair...

I have an RRC3, LCD w/ housing, and the LCD port for sale. All are in great condition. I went and checked out all the RRC3 functions (continuity on each output, output drive, pressure/temp/voltage display, push button function). Prices do NOT include shipping, but I expect this can all be...

All items sold! :)

Time to resupply! Thanks for the nice deal. :)

Use the solder provided with the eggtimer kit. It is a flux core solder, and is a "no-clean" type so you aren't required to wash the board when you're done assembling it. It is really good stuff. I've never had a need to add more flux to any of the kits I've assembled (I've built about a...

I do. This board is typically mounted in the base station which uses the separate antenna. Right now, I have one mounted in the blue base station and one in the yellow base station. The two other units have wire antennas and are usually mounted in the rocket. As troj mentioned, this all...

Bump. Still for sale. Plenty of time to get this by Christmas! :)

What is the going rate for a PSII Nike Smoke these days? Is there a reason you delete your sold prices? It's nice to keep a record of what things sell for in order to help with future sales.

This point is the key. I agree the safety aspect of this discussion is pretty settled. The concern is simply how much time elapses between the time you connect the battery until you fly. The unit will be drawing some power from the moment you connect the battery. It won't draw as much as...

I agree with just using relays, unless you are looking to learn more about MOSFETs by making a project. Just use the same 12V source for everything. This makes the system very simple. Keep the 12V battery out at the pad so it's close to the relays. The launch controller box needs one...