/h/nerdshit House Femboy Founder
Platy platy/fren :!platywave: Hello friend! :!marseysheepdog:  6mo ago (image post) 384 thread views #267038

Telemetry modem and positioning system for my amateur rockets :marseyastronaut2:

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Disregard the jumper wires it's a first revision okay :marseyschizonotes:

!spacechads

!engineering

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Sooooo what kind of payload can you fit on those? :marseynotesglow:

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A big load

:#marseycumplosion:

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Yeah, I'm kinda surprised this is legal

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You can get a permit from the government as long as it doesn't go too high.

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:#marseybootlicker2:

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I don't want to have the feds after me for measuring the atmosphere and temperature.

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Make a good enough rocket and there won't be any feds to go after you

:#gigachadglow:

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whats with the jumper wires

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someone didn't read the radio amplifier datasheet properly :marseybrainlet:

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Did you design the board? Where's the Marsey graphics?

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I considered it but I didn't want to explain gay bussy cat posting to my rocketry group.

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Just say it's a cute cat :marseyexcited:

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:#marseymissile:

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That Harp

:marseyhibernian: ? !nooticers

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:marseyfedposthmmm: :marseyveryworriedfed:

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I'm sure the military will be very interested in where this rocket is going to end up.

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send some to ukraine to help against volde-put-ler

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Show us ur rocket :marseycruisemissile: :leexcited:

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That is so fricking cool, no homo.

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When will you try to replicate spacex's landing/reuseability system

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I want to try to do it on a model rocket scale but the EU is turbo cucked so it's hard to find suitable motors :platynooo:

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lmao what, can you seriously not buy... little electric motors? Are you a bong?

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>electric motors

:marseyyikes:

Proper small solid rocket motors. Pyrotechnics or bust

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Oh I thought you meant for the little legs that get deployed when landing

If you can get an engine to launch a rocket, why can't you get one to land it :marseybeanconfused:

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For controlled rockets it's better to have a long but slow burn rather than the short and fast burns typically found in normal amateur motors.

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:#marseykneel:

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:marseyclapping: :marseyclapping: :marseyclapping:

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It looks a lot larger than the rockets I launched when I had time for that hobby, what engine do you use on it? Or does it have a different kind of propellant?

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This launch just used a commercially available solid motor that's like 70cm long. Cesaroni Pro75 L2375 to be exact

Within in my rocketry team we are also working on our own self developed engines though. This one uses paraffin and liquid nitrous oxide.

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pervert

Trans lives matter

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Please send it to Tel Aviv :marseybegging:

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:#marseyshutitdown:

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Neat :marseynotesglow:

:!marseybooba:

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Neat! What field are you studying?

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Electrical engineering :electro:

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rounded corners are high iq

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post your files.

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https://i.rdrama.net/images/17150771362951229.webp

rip it's transparent

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Thanks. Do you plan on making your own propellant? If you aren't an r-slur, you can eventually upgrade to ammonium perchlorate propellant.

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Not solid propellant but my student team is working on a hybrid engine with N2O and paraffin.

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Wat. So do you need a pump?

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Liquid nitrous oxide has a constant vapor pressure of ~50 bar so it "pumps" itself in a sense

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That's so cool. :marseyexcited:

Can you do guidance or does that run afowl of laws?

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You can usually do it but you have to frame it as "Oh I'm not doing active guidance I'm just doing active stabilization :marseyhearts:"

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Are you able to get gps units with at will work at those speeds/altitudes or do you do telemetry another way

Putting the :e: in spookie turkey

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A good "normal" GPS receiver will generally work for most amateur rockets. There are some artificial export limits but those can only really be hit by proper missiles (like 5 times the speed of sound and 50km altitude). For reference my last one went to 3km and reached just above mach 1.

The radio transceiver on this board can measure distances so I want to develop my own GPS-ish system with static beacons on the ground. Mostly as a challenge but it could maybe be useful for things like active guidance where GPS wouldn't be accurate/fast enough.

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Darn for some reason I thought the speed limit was way lower. That's bad butt though. Hopefully when my kid is older, I'll have time to get into amateur rockets

Putting the :e: in spookie turkey

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George Soros has paid me $25 million to create this hurricane with a wooden spoon, glitter, and a bottle of Prosecco. I can do this because I'm a woman, and I can bleed each month without dying. He is sending me the money via magical unicorn. Gay Rainbow unicorn, of course...

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