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

Diamond Dust Questions????

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Old 09-27-2005, 08:53 PM
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ml0126
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Default Diamond Dust Questions????

Just bought a used Diamond Dust. First flight nerve racking but went great.....Couple of questions..
Mine has a OS46 with tune pipe. The plane flew fast but not as fast as the ones I have seen with a .32 size engine. My .46 is turning a 10X6 prop, plenty of vertical.

1..Can I put on a smaller prop for more speed but without over reving the engine.

2.. I have previous seen a PVC stand that is used for starting, any body have pictures or plans.

3.. Anybody found a way to launch unassisted.
thanks
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Old 09-27-2005, 09:52 PM
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Mike Connor
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Default RE: Diamond Dust Questions????


ORIGINAL: ml0126


1..Can I put on a smaller prop for more speed but without over reving the engine.
My first Dust started with a 46 FX with a UltraThrust. I found a APC 9x7 to be best for speed and still have good vertical. It turned 16,500 rpm static.
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Old 09-30-2005, 10:21 PM
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ml0126
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Default RE: Diamond Dust Questions????

thanks...any anybody have any ideas on question 2 or 3???????
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Old 09-30-2005, 10:34 PM
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Default RE: Diamond Dust Questions????

2. NO...

3. Put some partial ribs between the fins to stiffen up the top and bottom sheeting, and do not let the elevons reach inboard of the fins. This way you can launch it yourself without wrecking the sheeting...
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