Making a radio-controlled submarine with Lego and other materials.
At the end I test it in a lake. Enjoy!
The submarine specs:
Length: 22 cm (8.7 in)
Displacement: 1880 grams (66 oz)
Speed: 0.2 knots (10 cm/s)
Operating depth: 3 m (10 ft) - ballast tank will fail after that
Hull: 1.5 liter lemonade pitcher (Orthex)
Forward: Lego m-motor runs two 9-length propellers (2952)
Turn: Lego m-motor runs a geared-up () small 3-blade propeller (6041)
Ballast tank: Lego m-motor runs a Lego linear actuator connected to a 60 ml syringe (Eotia marinade injector). Active range 20 ml
Radio control: 27 MHz controller dissembled from a toy submarine (Zantec Mini RC U Boot). L298 H-bridge to drive motors
Power supply: 9V Lego battery box for the motors, battery for the radio controller
The yellow toy submarine at 6:00 is this one:
5 views
33
3
4 weeks ago 00:02:51 1
Jack Black - Peaches (Directed by Cole Bennett) The Super Mario Bros. Movie
4 weeks ago 00:05:24 1
A Silent Desolation : First Raw Gameplay
4 weeks ago 00:13:37 1
How To Paint 3D Prints - Lara Croft
4 weeks ago 00:20:44 1
Vortex Cannon vs Drone
4 weeks ago 00:21:27 1
Stockholm 4K Nightlife Sweden - Crazy Night(Stureplan)
4 weeks ago 00:02:16 1
Gloves Off: Canelo vs Munguia TRAILER | #CaneloMunguia
4 weeks ago 02:41:00 1
Full video: 90 days of building a wilderness shelter - bushcraft survival camping, wild harvest