|Apr 30, 2011, 10:36 PM|
Nice work mate! Glad I'm on my laptop, I just held it upside down!
You uploaded at 4am, it happens.
Oh found micro outboard wind up motors, should be able to fit a 6mm or something in them.
|Jun 25, 2011, 08:05 AM|
I am interested in building one of these as a school project (Senior school composite materials studies).
Any more updates? Keen to see more, this is the best hovercraft i've came accross so far. It looks excellent.
I've got access to pretty much any petrol two stroke or four stroke engine. I have a workshop full of them i can use. Lol.
I've just sent away an email to a local foam specialist to get a quote.
I've been thinking of using two 4 stroke 150cc Briggs and stratton engines one at the front and one at the back, just for the hover, and a 2 stroke Victa 150cc engine for the propulsion prop.
Do you guys think this may be overkill? Or maybe to heavy?
What conventional materials can i use to make a skirt?
My aim is to carry a payload of 200kg.
Is this unrealistic with those engines?
Open to all idea's, thought's and advice.
|Jun 25, 2011, 11:14 AM|
I'm continuing this project when I get to the states. There, I will actually have support. I think I may even start over. It is actually pretty cheap and I will have access to a larger cnc machine. Every part will be more precise and exact. I honestly do not like the quality of the current one, but it is way more than acceptable.
You should know what your doing with the material. The foam by itself will only support a load if there is a hard surface. In my case, that hard surface is either a 2'x4' piece of wood or plexi. The wood is heavy, but I have been using it when I was working on the hull. In your case. You will need way more than a driver support. You will need to build an enclosure for the lift fan and you will need a bit more support, because of weight and heat aspects.
I personally prefer two strokes because they are significantly lighter, often times half the weight, than their four stroke counterparts. A modern two stroke is also just as clean or even cleaner than a four stroke. If the two stroke is not so modern (80s-90s), then I would suggest routing the exhaust to the side, not underneath.
I'll be back to this, but I may use bigger motors.
|Jun 26, 2011, 06:35 AM|
Will take into consideration everything you said, on that information, i might make it one person for simplicity.
I was talking to an experienced friend the other day, he said it would be a good idea to cover the polystyrene foam with a thin layer of epoxy resin to seal it up against weather, and so the craft has a longer life span. A little extra weight for a much longer life span, and you can always upsize the motor if needed.
I am looking to make my hovercraft very efficient, so i will be toying with ideas along the way. Would you like me to share info with you as my design process proceeds?
I'm sure you've already thought of everything, but you never know. Lol.
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