An interesting article here describing The French Grodin sub built by Rene Lefevre. Interesting construction - all metal.
The Naiades were interesting in that they were the first use of electric propulsion motors in combination with i/c engines. (The Hollands??)
Rene uses a central ballast tank emptied by butane gas. He uses a pendulum type level controller.
The Naiades were interesting in that they were the first use of electric propulsion motors in combination with i/c engines. (The Hollands??)
Rene uses a central ballast tank emptied by butane gas. He uses a pendulum type level controller.
» 915mhz / 868mhz as a viable frequency for submarines.
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» Upholder build instructions
» Antennas - Underwater
» Single Channel Remote for submarines
» self contained compressor and solenoid valve for bladder systems.
» New to this forum and first submarine
» USS Bluefish