Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

287mph on a Q500!!!!!

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Old 02-10-2009, 12:09 PM
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LGM Graphix
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Default 287mph on a Q500!!!!!

Never gonna happen, but it'd be cool if it did wouldn't it LOL!!!!!
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Old 02-10-2009, 12:18 PM
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Default RE: 287mph on a Q500!!!!!

I was all fired up to report a guy on the backside of some remote mountain in the Saharah did 291. Dang.

Hey if you got one that will do two bills come on down to our Speed Rally in June and put on a demonstration
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Old 02-10-2009, 01:44 PM
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daven
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Default RE: 287mph on a Q500!!!!!

I'm not so sure that 200 mph is possible with a quickie, regardless of the motor or setup.

Good luck, way to grab our attention
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Old 02-10-2009, 01:51 PM
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Default RE: 287mph on a Q500!!!!!

I could probably DS an all composite quickie to 287mph on the right day. Outside of a turbine or rocket ontop the wing saddle. Not gonna happen....
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Old 02-10-2009, 02:09 PM
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Default RE: 287mph on a Q500!!!!!

Bill J did 181 with his at our rally last year.
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Old 02-10-2009, 02:15 PM
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Default RE: 287mph on a Q500!!!!!

Noob wants to speak. mehem. .

Where can I buy a nice Q500?

be gentle. . .


THANKS!
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Old 02-10-2009, 04:51 PM
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daven
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Default RE: 287mph on a Q500!!!!!

I've seen consistent low to mid 170's on the flat and level. 180 could be hit with a dive or wind, that extra 10%+ in speed is going to take a bit to overcome.

Heres a link to Q500 kits.

http://www.rcuniverse.com/forum/m_7574677/tm.htm
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Old 02-10-2009, 04:59 PM
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Default RE: 287mph on a Q500!!!!!

200mph is completely doable with electric power but your flights will be wayyyy short. Don't have much room for batteries in the fuse.
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Old 02-10-2009, 07:48 PM
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Default RE: 287mph on a Q500!!!!!

587 mph??!?! oh, sorry, you said 287 mph. which brings up a point, why this post?
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Old 02-10-2009, 07:52 PM
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Default RE: 287mph on a Q500!!!!!

Well, there used to be a quickie advertised to have been radared at 208 mph, V-Vector or something like that. While is sounds like it was complete BS, but the story goes that they put a F1 engine on it and got the radar reading in a vertical dive to make the claim. The physics and math does make a pretty good case for the 208 figure to be factual.

An electric powered quickie might reach 200 in level flight if your setup has 3.4 kW at the motor.

To reach 287 (as if it would hold together), in level flight would take about 10 kW at the motor.
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Old 02-11-2009, 10:26 PM
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Default RE: 287mph on a Q500!!!!!


ORIGINAL: dhal22

587 mph??!?! oh, sorry, you said 287 mph. which brings up a point, why this post?

Because I haven't seen a ridiculous speed claim post in a while so thought I'd start something that would get people to go "YEAH RIGHT" hahaha, just having a little fun, winter blah's are deeply set in.
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Old 02-11-2009, 11:45 PM
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Default RE: 287mph on a Q500!!!!!

287 mph !!!!! wow that would be very impressive .

Well , I just finished my modified Shrike ( airfoil reduced ) and she was able to reach 221 MPH after a dive nothing close to 287 but it is exciting anyway .

This pic shows the stock , thick and boring airfoil AND the new one OOOhhhh yeeaaaaaa [8D]
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Old 02-12-2009, 01:50 AM
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Default RE: 287mph on a Q500!!!!!

Well if anyone here can get to 287 I'd put my money on SpeedBoy
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Old 04-09-2009, 08:39 PM
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Default RE: 287mph on a Q500!!!!!

if your a noob dont buy a Q-500. I'm an experienced flier and lost sight of mine for 3 to 5 seconds and it hit the ground at around 120 mph only 6 feet from me!
damn cataracts and white uyltra cote with 4 one inch wide red strips on bottom only are to blame.
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Old 04-09-2009, 09:38 PM
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Default RE: 287mph on a Q500!!!!!

Where do you fly in Howell?
Next time I go up to see my family I'll go out to the field. My cousin lives in Howell and we flew one of my planes in a new development that didn't have any houses started.
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Old 05-11-2009, 11:58 PM
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Default RE: 287mph on a Q500!!!!!

We took a Q40 built-up wing Nemesis (Rich Tossi kit) with a Nelson Q40 engine to 228 in a dive back in the late 1990's. BUT... We had to add 1.5lbs of lead ballast to make the plane heavier and ran a 7.5 x 8.5" pitch hand carved race prop .
Then we had to take off with the airplane very very rich so the motor would unload as we made the dive.

The first few dives with a stock race setup only got us just over 190. Not too much differernt than straight and level speed.. so remember that the extra weight, a really rich needle, and a higher pitch prop were needed.
We tried this to find out how fast a Q40 could go in a dive.
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Old 05-12-2009, 07:06 AM
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Default RE: 287mph on a Q500!!!!!

Calm down a bit!

This is beginning sound like the rest of the trash talk on this "Extreme Speed Prop Plane (Talk)" forum. and we all know what those claims are.

Ed S
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Old 05-12-2009, 09:26 PM
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Default RE: 287mph on a Q500!!!!!

Corey, I really like your strategy there.
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