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Radio Control Sport


Plan Printing by Dave at The Final Image

Q500 Sport
No strings attached ... Hands-on flying with your feet on the ground

Q500 Ready to FlyThe basic intent of this design was to produce a group of racing aircraft, which were as close in performance as possible. The objective of Quickie 500 was to stage a closely contested race which was not dependent on aircraft performance and which served to foster greater participation in pylon racing events at the entry level. Over a period of time, a subset of this class developed called the Q500 Sport, which tended to tame down the engines of these airplanes and allow beginners simpler motors to buy and operate in a racing venue. The Q500 Sport airplanes were intended to have thicker airfoils in the 15% range and run on non ball bearing engines,

Q500 Cleaned UpThis airplane I scratch built from an existing wing that was built by Val Ure. Val is a member of our local radio control club and has contributed tirelessly to our hobby for more years that we can count (Sorry Val, just had to say that). I decided to take the wing I was given and Honor Val and his efforts to popularize this style of airplane by building the original airplane. I decided to make this airplane just like the original. This particular airplane has a 15% airfoil, which is too thick for current day racing. The engine that I am using is a .25 cid GMS 2000 and it runs very well. This is a small engine for any kind of racing but it makes a great sport plane for me to begin to learn to fly again after 7 years of not flying at all. This airplane works great as a aerobatic pattern trainer. It is long and has a big tail, which gives plenty of stability in many aerobatics. It rolls well and is fairly easy to get level and make corrections.

Q500 Fuse ProfileThe wing had been covered in tissue and dope and is very strong. I removed some of the covering from the wing and gave it a good sanding. There were a number of other problems with holes in the center section and dented leading edges but after some minor repairs, and more sanding, the problems disappeared.

The Fuselage is built from scratch, as is the tail section and things worked out quite well. I used the traditional rudder outline, as there were a few choices that were indicated on the plans. I also included a steering tail wheel that took a bit of extra work.

Q500 Ready to Fly tooSo far this airplane meets my needs and fly's great. It doesn't go too fast, climbs well and tracks level and straight. I am happy with this airplane in its ability to allow me to grow into the world of pattern flying. This project was quick to complete and got me in the air for the season. I never did get a chance to photograph the details during the building of this airplane.

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