I was just perusing the "what was your latest purchase" thread and with all the gear folks have bought there, I got to wondering what y'all are working on.
I just tore down my 1/10 scale GI Joe Water Moccasin Airboat project and I'm about to add two more motors for hella thrust and add Estes rocket boosters maybe on Friday.
Also as part of ^, it meant I tore down my DJI F550 hexacopter on the Ardupilot platform and I will repurpose the boutique Arduino Mega 2560 board that the Ardupilot shipped on for the Hallowe'en robot to give it a little more autonomy.
Plus the ongoing Hallowe'en Laser Maze but it's been so hot and muggy I just haven't gotten into the spirit of that quite yet (and I'm procrastinating redoing how it works using the ESP32-Wroom 32s I bought recently.
If you have a tube that has another Y into it and you blast air through the straight tube, it will suck water into the airstream.
T is where the CO2 pistol mechanism comes in. It is a boat, right? So plenty of water just below. Put a servo on the trigger, get multiple boosts.
Estes D to F motors are expensive, good for seconds and involve fire but don't like wet. I made and flew Estes rockets in the late 60's.
If the boat has room, you could put in a pressure can that you can pump up, ever had a water rocket?
While digging through some parts looking for something else I unearthed a pair of Waveshare SX1262-915M modules for Raspberry Pi Pico so I'm going to finally get those working. I don't have a particular application in mind. I've never used LoRa so I'll just get them working and maybe something will come to mind.
Very interesting...even though I don't understand what you mean yet, due to my inexperience with a mechanism such as you describe.
The Estes rockets idea I know is not ideal but rockets are cool. I was thinking a B6-4 because of the fast burn time and boats don't have brakes (especially airboats). The single use was certainly a concern though. In the words of Tony Stark: "Is it too much to ask for both?"
I do like your idea. Sounds awesome, in fact.
I don't know what you're getting at here, I'm afraid.
T? I'll Google around and if these are common terms of which I'm not aware, apologies.
This is the boat, and two more motors will be added in front of (but wider set) than the existing ones. Pictures are worth a thousand words, after all.
What are your common applications? I mean, what type of things (if there is a type) do you typically tend to build?
What type of things do you do with your Pis? I have a few but never really used them in a project. For some reason, call it habit at this point, when I consider a project my mind immediately goes to Arduino because well, that's really the only one I know well enough to sort of think "oh, yeah, totally I could do this! It will only take like, two days or so and one trip to the electronics shop".
Remote control, sensor nodes, Internet of Things via LoRaWan come to mind.
I think I originally both the modules to wirelessly connect various sensors over a greater distance than BLE or WiFi are capable of.
I started out with Arduino in around 2009 and enjoyed having something to tinker with after spending a lifetime in the field of measurement. When the raspberry Pi came out I was an early adopter because of the low price and the ability to run an operating system. Something the Arduinos of the time weren't so capable of. Then the Pico came out for $4 and had lots of program storage and data memory and supported both C++ and MicroPython and soon after for $6 with WiFi and BLE so that has been my Arduino sub since.
Take a drinking straw and cut it almost all the way through about 1/3 from one end and bend that at 90 degrees. Put the long end in a glass of water and blow through the other end. Air moving over the cut open part will lift water and mix it with the blown air.
If you put a hole in the side of a hose and run water through fast, it will suck more air than water leaks out. Joining pipes makes a better input. Flow in one pipe causes flow in the joined pipe.
If instead, the part you blow through continues and the lower part joins into the side preferrably at a sharpish angle, the effect will be stronger. the blown air will suck water in and add mass to what goes out of the end and get more impulse than gas pressure alone... way more.
In a lab we used tap water flow to pull air out of a flask and cause water in the bottom of the flask to boil at room temperature (school demo) using glass tube. It's the same Bernoulli principle with the fluids switched, flow in a pipe lowers pressure against the sides.
Hi,
Looking at the video, you may need to look at hull design to get it to lift a little out of the water for less drag.
Longer and narrower hull design if possible.
