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<HTML> <BODY BGCOLOR="FFFFFF" TEXT="000000" LINK="0000ff" ALINK="ff0000" VLINK="ff0000"> <HEAD><TITLE> </TITLE></HEAD> <font size="3" face= "arial, sans-serif"> <img src="lipoly-grassrider1-good-11.jpg" height=250> <img src="P1010037-not-small.jpg" height=250> <br><br> These two crafts illustrate several tricks: <br> 1) using scotch tape as a quick substitute for a foam structure<br> 2) using a simple rectangle of foam as an anti-plow front <br> 3) feeding the lift air from the front on a single motor machine <br> 4) using a slanted airbox. <br> <br> <hr><br> A Single Fan In Front<br> <img src="cc.jpg" height=250> <img src="dobson-air-dart-on-water-copy.jpg" height=250> <img src="DHV-aircycle.gif" height=250> <br> Christopher Cockerell, the British inventor of the hovercraft, used this configuration on his first model (but quickly abandoned that approach when he helped develop machines big enough to carry people), and a number of the very early one seat recreational hovercraft designs also used the approach. Today, nearly all small passenger-carrying hovercraft resemble the GH-1 or the GH-2, but the fan-in-front approach remains an interesting approach for a model hovercraft.<br><br> Using a fan in front, or not, and tilting the fan, or not, can be examined at length - email or call if you'd like to learn more about it. In the end, these designs may be a bit more efficient, but the approach also creates many inconveniences, and so most designers simply add power to the more conventional designs. <hr<hr><br> Adding Anti-Plow Sides<br> <img src="3-frontview-34.jpg" height=150> <img src="9-rear-36.jpg"height=150> <img src="2-topview-38.jpg"height=150> <br> <img src="1-34viewfirststep02.jpg" height=150> <img src="4-foamstrips-14.jpg"height=150> <img src="5-foamstrips2-15.jpg"height=150> <img src="6-foamstrips3-19.jpg"height=150> <img src="7-foamstrips4-31.jpg"height=150> <img src="8-cornerbottoms-27.jpg"height=150> <hr> <img src="IMG_0060-super-antiplow.jpg" height=200> <img src="IMG_0061-super-antiplow.jpg" height=200> <br> A customer named Kenny Dingsor wanted his RC GH-2 to operate on snow that had already been walked over. He found that the Wavejumper's anti-plow sides weren't tall enough, so he replaced them with taller ones. <hr> <br><br><br> <hr> <br><br> To go back to the main page, click here for the <a href="../MainPage.html">Goldstein Hovercraft</a> main page. <br><br> If you do not see a table of contents on the left side of your screen, click here for the <a href="../index.html" onclick="window.open(this.href,'newWindow'); return false;"> Goldstein Hovercraft</a> web site. <hr> © Goldstein Hovercraft, LLC