OK all of you 3D designers, here's an idea to contemplate. Maybe you'd like to design something unique and capture the market. I'd like to see how this setup would compete in the distance wars. If you recall a former forum member named RF Guy (I haven't seen him online lately), he was an RF antenna designer. In a couple of PM's he said the most efficient windsurfer design would be positioned around 2" from the antenna shaft, however the fixed width of 3.5" between the stock antennas prevented that. The stock antenna's mandated the parabolic dish be positioned about 3/4" away from the shaft.
The idea I present below is to widen the antenna spacing in an effort to get closer to the 2" spacing from the parabolic dish to the antenna shaft. That can be done with a custom rack for Sunhans amps. If we widen the antenna spacing this naturally facilitates an increase in the size of the parabolic dish, which also serves as a bigger "catcher's mit" in a directional manner. Bigger is better, right
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In this design it would use foldable 7" antennas, something available off the shelf for the 2.4Ghz band. I've seen 7" versions for sale before from a guy in Florida (not Tony at FPVLR). These antennas would also have a greater gain than stock 5" antennas. This modification would require taking the RC apart and installing SMA connectors in the standard antenna holes. I've seen cable kits with longer SMA shafts to do this easily. In the illustrations attached, what I don't show if the height of the dish. RF Guy said it should go about 2" above the top of the antenna shaft. This makes the dish about 9" X 10", which is kinda large I know, but I think it would still be lighter than the DBS mod setup with Amps. Just think, 90 square inches of signal gathering surface! Whoa.
So why design such a crazy looking setup? Here's my list:
1. It would be cheaper than other amplified kits, using off the shelf Wifi antennas.
2. Flexibility. The setup can be used without a parabolic directional dish for an amplified omni-directional setup.
3. The setup could be used without the amps when you're not flying very far away. Simply screw on the antennas directly to the RC and remove the amp rack (velcro). This may work better than stock antennas because of the longer 7" antennas.
4. Distance should be as good or better than FPVLR or DBS, theoretically, just a guess.
5. Ergonomically it would likely store away in a case easier, if the parabolic dishes were the two piece style.
I'll buy the first kit someone releases.
