Q-500 Racing Discuss AMA 428, AMA 424, and any other variants of Quickie 500 racing

Smaller versionQ500

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Old 03-27-2009, 01:45 PM
  #1  
glowplug50
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Default Smaller versionQ500

Has anyone ever made a smaller quickee version, say like for a 25? Shorter, less wing etc

I guess you would have to call it Q375 or something like that.
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Old 03-27-2009, 02:15 PM
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vicman
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Default RE: Smaller versionQ500

There is a Q500 class called Quickie 25 that uses a Q500 airplane and an OS .25FX. Its pretty fun!
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Old 03-27-2009, 02:22 PM
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Default RE: Smaller versionQ500

1/2 A. 200 sq in. 44" wingspan. 90 to 95 mph.
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Old 03-27-2009, 02:26 PM
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Default RE: Smaller versionQ500

I had one once, about 300sq in, 36' span or so, with an OS .25 FSR. Fun.

Daven was working on one here, a "mini-seeker". He had a Nelson .15 (old quarter midget motor) on it. Last time I "talked" with him about it, it was in the wings, waiting glass and paint before he flew it. That one should be fun, too.

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Old 03-27-2009, 03:05 PM
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Default RE: Smaller versionQ500

Mike,
You mean like this one?
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Old 03-27-2009, 03:06 PM
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Default RE: Smaller versionQ500

We used to race a club .20 plane, in N. Alabama.
320 sq inch wing, 40" span x 8" chord, 2.75 lbs.
We used the then available K&B Sportster .20.
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Old 03-27-2009, 04:09 PM
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Default RE: Smaller versionQ500

The rivets is slick. I have never been a big fan of the 049's and their brothers. But yea, some where in between would be fun.
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Old 03-27-2009, 04:33 PM
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Default RE: Smaller versionQ500

Vicman: That Rivet's looks kinda like the Owen Kampen .020 Rivets from AAM July 1969. Is it? I'm building one for myself right now. F-U-N ! Ya got any sketches of how you ran the elevator linkage?
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Old 03-27-2009, 06:22 PM
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Default RE: Smaller versionQ500

Yep, that thar yeller one looks somewhat familiar. Here's my latest. It happens to be one from the dark side but would work just as well with an AME.
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Old 03-27-2009, 08:15 PM
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Default RE: Smaller versionQ500

Seems I have a set of old plans around here for a Quickie 300 that were drawn up in the late 70's. Looked like a scales down Spickler Quickie 500 as I remember. I built one for my little brother to fly with an old OS .25. Let me do some digging.

Bob Harris
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Old 03-27-2009, 08:26 PM
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Default RE: Smaller versionQ500

BobHH designed both planes in my picture contact him for kits/plans, or both.

Awright MikeG, whats up with the single blade prop?
Is that a kit or your own design? It looks pretty smooth.
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Old 03-28-2009, 08:05 AM
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daven
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Default RE: Smaller versionQ500

I have a mini Q500 project that I've been working on and off with for some time, just need to finish it up here before it warms up.

Basically had the kit cutter shrink down my standard seeker to 75%. Just need to do the ailerons, glass and paint.


Here is the thread:

http://www.rcuniverse.com/forum/m_5031777/tm.htm
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Old 03-28-2009, 09:07 AM
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Default RE: Smaller versionQ500

I was just to lazy to change the broken prop for the picture.
Yes, that's my own design. I have been designing and building my racers for the past 15 years. It's really just a scaled down Q-500.
My new one, below is not covered yet. It's is a little different. Got my inspiration from a picture in a post on RCU from some guy in Italy.
I conversed with Bob H about his kit But his design wouldn't fit the very few rules we do have. Like 200 squares. Some people aren't that impressed with 1/2 A's but when your going the speeds we are with these small models on a 300' three pole course the sensation is a lot like Q-500 except it's a lot cheaper and somewhat safer also.
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Old 03-28-2009, 10:50 AM
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Default RE: Smaller versionQ500

That looks great, when will the kits be available?
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Old 03-28-2009, 12:37 PM
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Default RE: Smaller versionQ500

I'm thinkin' the kit will be available about the same time that W is re-elected or you can get a brand new AME from Sig.
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Old 03-28-2009, 09:23 PM
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Default RE: Smaller versionQ500

Hmmmm, I don't, know. Sounds a bit iffy.
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Old 03-28-2009, 11:38 PM
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Default RE: Smaller versionQ500

I'd say the main problem with doing a kit is that in the 15 years I've been building these there has never been two exactly the same. You just keep changing things in hopes of finding the perfect design that as we all know doesn't exist. But it is fun trying to find it!
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Old 03-29-2009, 10:31 AM
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Default RE: Smaller versionQ500

Here is my version of a 2/3 size racer. Although the wing isn't squared off like a quickie, it wasn't built for quickie racing. I built it for the rat race.

I would guess the speed is around 130mph. Weight is 2 1/2 pounds with an OS 32 turning 18,000 at takeoff.

James
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Old 03-29-2009, 09:50 PM
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Default RE: Smaller versionQ500

Looks good James,
What does the wing sweep do for you?
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Old 03-29-2009, 11:52 PM
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Default RE: Smaller versionQ500


ORIGINAL: vicman

What does the wing sweep do for you?

Makes it look less like a Q500 airplane?
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Old 03-30-2009, 05:41 AM
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Default RE: Smaller versionQ500

With a straight wing, it would look like a quickie. I used the tapered wing to get more speed. In rat racing, you have to have a plane that is fast, and gets great fuel mileage. The OS 32 will run for 6 minutes on 4 oz of fuel. The heat races last for 10 minutes with a mandatory pit stop. You are only allowed 4 oz of fuel at a time. It flies extremely stable. Rat racing has 4 pylons one of which is a right turn and a 1000 ft. straight stretch.
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Old 03-30-2009, 06:48 AM
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Default RE: Smaller versionQ500

Ahhh, we don't turn right in these forums
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Old 03-30-2009, 12:37 PM
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Default RE: Smaller versionQ500

Yeh!,
That's why all my racers only have one aileron! The trouble is sometimes I build just a right one and then other times when I get done I turn it over and low and behold I've built a left one!
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