An independent comment on our plane & instruments

From Terry Alley:

I went to BeLite's shop last friday to visit with James Wiebe about changing the engine in my Kit Fox Lite to the Hirth F23 like the one he has in his new Superlite. While discussing the performance of his plane, James had a slip of the tongue and said "you ought to fly that and see what it feels like", I thought he would never ask.

After sliding into the cockpit I took a little time to familiarize myself with his new LED Panel. At first I thought it would be a little confusing trying to read all the lights but once I became familiar with their location, they were quite easy to read and seemed very accurate. I especially liked the Inclinometer and the Turn Rate indicator. Those two may have to find a way into my panel. The altimeter is zero'd before taking off and is only a AGL instrument, but what else would you want in a ultralight. I made several turns into and away from the sun and the LED's stayed visible reguardless of direction and lighting.

Now for my comparison between the original Kit Fox Lite which I have the new BeLite Superlite.

Cosmetically they look the same with the exception of mine having a full covered fuse. The interior, again no changes, other than the panel already mentioned. The only noticable difference in feel was the rudder. Belite has improved their design to use push/pull cables to the rudder. While they make the rudder feel a little stiff, the contol was very positive. Everything else felt the same excpet the power.

My Lite has a 37 hp 1/2 VW which I really love except for takeoff performance. On a hot day it will make you pucker up if you have to climb over some trees on takeoff. But the cruise is a nice 65 once you get there. The Belite had the new Hirth F23 opposed twin 50 hp. When I lined up on the runway and added power before I could look down to see what the RPM was, I was airborne. Not only airborn but I continued to climb at 50 mph and at a pretty steep angle of attack. Needless to say I was impressed.

After making some steep turns and doing a couple of stalls I concluded this new bird has the same great flying characteristics as the original Kit Fox Lite (when I say original that is what I mean as mine is serial #001). I decided to test the new spring shocks that James had just added to the gear that day. This a great replacement for the bungees (which I have had one failure on). I came in across the fence at 50 and let the speed bleed off until a did a nice wheel landing at about 35 to 40 mph. At that point, I added power without letting the tail come down and almost instantly I was off the ground again. The next approach I added one notch flaps and crossed the fence a little less than 50 but holding a little more rpm. The speed bled off and I held it off until the airspeed dropped to just below 35 and it settled on all three wheels for a short rollout. The new spring shocks worked great in softening the touchdown with no bounce at all. I thought it was my landing skill but James assured me it was the new gear.

Conclusion: The Superlite is a great little airplane especially with the F-23 in the nose. If you are looking for a safe reliable plane that is a blast to fly, give James a call. And for all the Kit Fox Lite flyers out there, be thankful James picked this plane up and put it back in production. Any part you might need for your plane just became available plus many upgrades.

Terry Alley
Kit Fox Lite
N3169

Featherweight Avionics

Gene and I have made several panels for a variety of our aircraft. They were a mixture of basic instruments: airspeed indicators, altimeter, engine gauges, inclinometers. Basic stuff.

I'd run into a few problems with instruments breaking; also a few problems with inaccuracies. I was tired of weight. I started to think about ways to improve that panel. My 30 years of experience in electronics kept nagging me: I just had to develop some good, inexpensive, state of the art instruments.

A lot of very good companies produce fantastic, expensive stuff. Almost all of the direction of the industry has been towards more integration and more expense.

Why not break that trend?

Why not design basic electronic instruments that replace old fashioned steam stuff, that cost less, that works better, that weigh about a dozen grams, not a dozen ounces or even one or two pounds, and that more quickly alerts (using bright LEDS) to marginal conditions such as low fuel or redline speed? How about instruments with no dials to twist?

Well, that's what I did.

We introduced 10 new instruments to the market. I won't pick at the details of each here (see our avionics page for details). I'll just mention the key points of one of them.



Let's talk about our Turn Rate Indicator:

1) It truly has a solid state gyro in it, and it's incredibly sensitive.

2) It's designed to show a standard rate turn. And several other turn rates.

3) It uses different colored LEDS to quickly show when a turn has begun.

4) The LEDs are bright, easily observed in a bright cockpit.

5) You can see them with sunglasses on, even polarized sunglasses (unlike many LCD screens.)

6) And unlike mechanical gyros, it's inexpensive (about $150).

7) And also unlike mechanical gyros, you can buy it in a tiny box (3 x 2 x 1 inch) which you can velcro to any panel. It runs off an enclosed 9v battery for about 14 hours.

8) Or you can buy it with a standard 2 1/4 inch cutout bezel.

9) Or you can buy it with an even smaller 1.75 inch square bezel.

This is how we approached the design of each of our instruments: Lots of installation and use options, bright LEDs, simple operation, really low costs. Great for experimental, homebuilt, patch flying, ultralights, and perhaps a few other markets as well. (Helicopters? Yes. Gliders? Absolutely.)

My daughter Jennifer prepared a great video demonstrating the Turn Rate Indicator. You can see the video here. If that doesn't work, go to belite's channel on youtube and you'll find several more of our avionic and flying videos.

Even though the concepts are simple, the electronic technology has been a tough at times to tackle. In order to protect the work that has been done, we recently filed 9 patent applications on our technology. As a result, our designs are 'patent pending', which is a great thing as well.

The entire instrument panel pictured at the beginning of this post weighs about 12 ounces. That includes the basic metal plate, and all of the instruments. This is one of the developments that continues to ensure that our aircraft are the best and that our avionics (and aircraft) customers have the easiest to use, lightest, least expensive and most comprehensive goodies in the cockpit.

I appreciate your feedback. I was given several great ideas for additions to this new product line at Sun N Fun -- we'll work on some of them and hopefully show even more avionics at Oshkosh. In the meantime, this is great new stuff.

Finally, these avionics are 'on sale' for this first week of their introduction. You can order them with discount code SUN10 on our webstore through the end of 2010 Sun N Fun, (april 18) and this will give you a 20% discount!

We are also intent on adding distributors, both here in the US and overseas. Interested? Let me know.