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

How do the "Speed Freaks" balance there props?

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Old 11-03-2004, 03:14 PM
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Razor-RCU
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Default How do the "Speed Freaks" balance there props?

I was using that magnetic balancer and found that using a magic marker on the light tip helped create reasonably balanced "sport" props.

What do y'all do?
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Old 11-03-2004, 03:24 PM
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Default RE: How do the "Speed Freaks" balance there props?

I have an old high point balancer, and the dubro-sorta-clone of it. Served me well for years.

At one time I had the magnetic balancer. A few folks pointed out, that on smaller props, it was possible for the shaft to take on a magnetic field, and the shaft would line up with the end support magnet fields.... sometimes keeping the prop from appearing balanced. I was able to witness this. (dont ask me to explain it more... please )

So I tend to use the high-point device or my dubro for balancing. A little sand paper on the front of the blade, and its ready to go.

Fortunately most of the APC props have been pretty well balanced right out of the package. But its not worth cheating with an engine turning over 16K rpm. [&:]
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Old 11-03-2004, 03:37 PM
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Default RE: How do the "Speed Freaks" balance there props?

Cool- I am sure that fuel will remove my magic marker tips if contacted... So I will need to fly FORWARD at all times to ensure this-

I am off to the USPS at lunch today to send the Jett-
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Old 11-03-2004, 07:30 PM
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Default RE: How do the "Speed Freaks" balance there props?

Razor,
The Top Flite magnetic thingy works perfect.... but you have to polish them magnets.... and rework the ends of your balancing shaft. They are far from perfect... as ironic as it seems...

But magnetic balancing can be close to pefect... I balanced my 120.000 rpm turbine wheel like this... and it works...

Other than that... make some bushings for your props... that's awesome too... but still check them...
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