New low profile Elektric Outbordmotor

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Christian Lucas

Well-Known Member
Joined
Aug 23, 2012
Messages
339
Hi,
start yesterday to build a low prifile outbordmotor for a small 24 inch long tunnelhull ( the boat i will show after the motor) .
Motor is a high rev outrunner with direct airinlet and fan on the top side. As the motor is angeled to the front fresh cooling air will flow over the midelsection of the canopy , you will see. 3,2 mm flexcable and 4 mm propshaft. Main parts are carbon plate and rectangular tube . The propshaft hat ballbearing and is secured so cannot lose if the fex breaks ,like K&B does.
All cutting i do free hand with a Dremel and a diamond cutting disc with different dia.

Happy Amps Christian
 

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Hi Kris,
next step , placing all parts together. Have to drill some holes and place srew and glue and cut the skeg. Will be a twin skeg as it has moore options to control the lift at the back.

Happy Amps Christian
 

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Hi Lohring,
yes the low light curved flexcable is a rule to low friction and ballbearing propshaft to get highest output power to the propeller.
Outbordmotor is raedy , now i am drawing and building the boat.
For tunnelclass a tunnelhull and for outbord i like something looke like the old Dumas Dragonfly , a beauty of boatdesign.
 

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Last edited:
That sure is a beauty...i talked to dumas many times about cutting me a 40 size drag n fly...
I built one way way back...but dumas keeps saying.....NO...oh well...
Keep us posted on this....
 
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