The jet propulsion unit 5 is a development of the jet propulsion unit 4. a re-design of the steering nozzle and reversing flap have produced a much lighter version of the jet propulsion unit.. Paul t: 28/11/2014 19:38:04: 6599 forum posts 1095 photos 2 articles: dear all. has anyone ever used graupner jet unit 5 and are they any good. my not a project would need two fast, reliable motors and water jets would be ideal but i don't want to splash the cash without knowing more about them.. A jetboat is a boat propelled by a jet of water ejected from the back of the craft. unlike a powerboat or motorboat that uses an external propeller in the water below or behind the boat, a jetboat draws the water from under the boat through an intake and into a pump-jet inside the boat, before expelling it through a nozzle at the stern ..
The units will be for electric powered scale model boats, so the units from mhz and hobby king, good units made from cnc machined aluminum, are not what i was really looking for. any information and leads as to manufacturers of the graupner type jet drives would be greatly appreciated.. Jet drives can be fun to use in places that have rocks or low water levels. they are also very cool, especially when you want to build a scale commercial vessel that uses water jet propulsion in real life. installing a large jet drive isn't easy. you have to make accurate hole cuts and line up the drive to properly fit.. All units are identified with a plaque positioned on the front of the intake block that includes model number and serial number for that particular unit. below is a list of older jet models, click on your jet model name to bring up an expanded view of the unit with parts labelled..
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