Basically, if a standardized variometic linked prop/turbine were to be affixed to any car or bike, it could add to top speed. Cumbersome, yes :-)...
I can see what you mean. I meant development such as the recumbent bike has seen. The constraints were always the same. One man, a crankset,...
Great pointers, thanks. I believe in advance of science, so if decades ago a HP plane was like 20 meters wide, we'll reach a day when it's only...
Thanks for the support. I already have a couple patents granted, albeit under a friend's name. Lately, I am into open sourcing. it's the way...
You are of course right. Ground effect, although taking energy, has been proven to be more efficient for tons*miles than most or all other air or...
Luckily, the craft has an upside and a downside. I like to cheat the laws of nature, it has offered us a lot of loopholes. DDWFTTW is one, and I...
Nearly impossible, right? To get airborne, a model craft could unroll a half-wide roll of strong toilet paper (sticking to the water surface,...
That's the upwind version. The downwind version (speeeed) would have the prop on top, turbine underneith. The more I think of it, the more...
You won't see me setting easy goals ever, those are not worth working towards. I am exploring the limits of possibility. DDWFTTW was officially...
DDWFTTW exploits the speed difference between craft/ground and wind/ground. I want to attempt one step harder: exploit speed difference between...
I want to try to use apparent wind to replace the road or water surface. Wind turbines work, and hopefully the conditions under the ground effect...
Harder to explain, but the Blackbird team is now aiming to reach >1* windspeed, directly upwind. www.fasterthanthewind.org It will experience 2*...
I beg to differ. Surely, this will not be an easy feat. Let's suppose a super-advanced DDWFTTW boat were to reach 3* wind speed. Like the...
It's like this. Imagine a 15m² sail, or turbine, or even rear end of a big truck. It can extract a serious amount of energy from the wind. Say,...
Wow, thanks HJS! That looks like something i was never able to draw, but sortof vague "felt" in my brain at times. Is this supposed to be fully...
An continuation of my earlier thread: http://www.boatdesign.net/forums/propulsion/wind-powered-ground-effect-boat-craft-33363.html I'm back...
Great inspiration: http://www.youtube.com/watch?v=i9sHtVzdW8Q It will need to handle pretty low still speeds. Compare this one to your typical...
Very cool! http://www.youtube.com/watch?v=LpdeccXbLdc&feature=player_embedded And, another inspiration for a ground effect craft. Solar powered...
The Blackbird looks likely to be a awarded a >3 wind speed NALSA record, with runs up to 3.48 recorded. As well made as it is, their design is...
Alright then... It works on the cart, because the overhead air+rolling reistance (when passing wind speed) is smaller than the propellor's...
