Riva Aquarama Inspired Rc Boat an Arduino Project (LOA 89cm)
Description
I uploaded gcodes(for PETG), 3MF files, arduino codes, wiring diagram and STLs and print settings that I used. You can check it out [HERE](https://drive.google.com/drive/folders/1vc7CPjN0YwuiBEEC13Ir-20RmT43LPIv?usp=sharing) If you like my model you can support me, [You can buy me a coffee](https://buymeacoffee.com/ozvzmxf0e5) If you support you will get a link to original CAD file of the model. Video of it sailing: https://youtu.be/6zeAhAKpI6g?si=12uTeoPS40UWZLzg&t=91 I designed this by using Fusion and took reference and inspiration from Riva Aquarama [Plan from this website](https://freeshipplans.com/free-model-ship-plans/riva-aquarama-scale-model-plans/) Because of currency rates, RC boat motors and ESCs are quite expensive in my country my main goal was to use my RS 775 motor with a 12V 7AH battery which is laying around and I gave this idea a try and it (kinda) worked. Due to the battery’s heavy weight, I designed it somewhat larger. It’s about 893 mm long and its widest part is around 251 mm. Even though I tried to compensate for it, due to the heaviness of the battery, water line of the boat came out higher than optimal I guess. This is my first boat design, and indeed it is kinda my first 3d design at all, I’m a physician and have no training in this kind of stuff, so you might find lots of errors. I have always been interested in 3d modeling and gave it a try. There are some design flows that I realized after printing, however, I managed to get it to sail one way or another. I used marine grease to seal the motor shaft and rudder axle and didn’t use any sealing for the cap, however, the boat leaks some water in, I don't know where the water comes from (shafts or cap?) But it Works!! (somehow). I sailed it for a short amount of time and drained the water with a cleaning towel and sailed again and drained again. I’m sure someone out there can (maybe will) configure this boat with a lot stronger motor and a lot lighter battery. If you intend to build it you may need: • M3 X 40 mm bolts – 6 pieces (These are for cap, however, I couldn’t line up every nut and bolt and ended up with just using one bolt) • M3 X 10 mm bolts – 2 pieces (For receiver set screw) • M3 nuts – 8 pieces (6 for cap, 2 for receiver) • M2 x 12 mm bolts – 3 pieces (Shaft and axle setscrew mechanism) • M2 X 16 bolt – 1 piece (Shaft and axle set screw mechanism) • M2 nuts – 4 pieces (Shaft and axle set screw mechanism) • 40 mm brass tube (inner diameter 4 mm x outer diameter 6 mm) (Rudder housing) • 80 mm brass rod (4mm diameter) (Rudder axle) • 2 parts epoxy resin (I used epoxy to fixate hull parts, rudder sleeve mount, shaft sleeve mount, and CA glue for cap and other parts and hot glue for fixating pin headers and some electronics) As for the electronıcs • 1 x Arduino (I used a knockoff) • 1 x BTS7960 Motor Driver • 1 x DC-DC (12V to 5V) Step-Down Board (It turned out that the very specific board that I used was not providing enough amps to power BTS7960, Arduino, and steering servo together. So I’ve just added an additional lipo battery and an ESC with a BEC unit, and draw current from ESC’s BEC to power all the electronics (except for the motor) • 1 x RS775 12V Motor • 1 x 5mm to 4mm brass coupler • Jumper Cables • Receiver and RC Controller As for the Arduino wiring and code, I used this person’s [Tech At Home](https://www.youtube.com/@techathome) code and wiring diagram that he shared on Google Drive as an inspiration and reference and made some modifications to it and specifically benefited from [THIS] video of his(https://www.youtube.com/watch?v=EnbkdrYQ0NE) Shout out to him. Note: Originally I designed some electronics mounting pieces, that I would place one M3 nut inside and use holes on the boards an M3 bolts to mount electronic boards. However, I got too bored at the time of mounting electronics and just used hot glue. Note: The racks I designed came out weak. I thought they would look cool but they ended up weaker then expected. Disclaimer: There can be some errors in wiring diagrams, code, and 3d files. If you will use them, use them at your own risk and do your research.
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