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Old Mar 16, 2002, 03:10 PM
Our Daddy and Heli Junkie
Fred Bronk's Avatar
In Heli Wonderland
Joined Aug 1999
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Got my Mega 22/30/2 for the Logo!

Well, it finally came so the testing can begin!

It cogs like an ape compared to the 600-15, but should run cooler and is just 1/4 in shorter.

Plus it is has a 1770 KV!

I will try both with the Beat 4-6-18 and later with the Schulze 45.
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Old Mar 16, 2002, 08:21 PM
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Fred: what battery paks are you going to try on it? What's the Kv of the 600-15 for comparison?
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Old Mar 16, 2002, 08:39 PM
Our Daddy and Heli Junkie
Fred Bronk's Avatar
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Joined Aug 1999
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The 600-15 has a KV of 1500. HS seems a little slow with the 12 cells pack.

I also have a 14 cell pack to try (CP1700's) The pack is 2 oz lighter but still charges to 1900ma. So with the extra voltage and lighter weight, flight times should be close to the same as the 2400's.
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Old Mar 16, 2002, 09:56 PM
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Fred: sorry to bother you but could you help me with the following information? I want to see how well my heli spreadsheet predicts the Logo 10 hover performance.

Name of helicopter =Logo 10
Weight without battery pack in ounces
Rotor diameter in feet =3.75
Rotor blade angle in degrees for hover (or provide headspeed)
Rotor gear number of teeth
Pinion gear number of teeth
Average Rotor blade chord in feet
Rotor airfoil zero lift angle (0 for symmetrical, -2 for semi)

Electric Motor Parameters
Name of electric motor = Fun 600-15
Voltage constant in rpms per volt =1500
Internal resistance in ohms
No load current

Battery Parameters
Name of battery pack
Cell voltage at full draw
Cell capacity in mah (at full load)
Cell weight in ounces
Cell internal resistance in ohms (use 0)
Number of Cells in pack
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Old Mar 16, 2002, 10:21 PM
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United States, FL, West Palm Beach
Joined Jun 2001
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Hello Fred

How about charging up a pack and running out side for a hover and some agressive climbsand telling us how will it preforms and the duration.b Dont let us wait till tommorrow

It almost 12 PM and I'm about to run out to my apartment complexe's Lighted Tennis court to fly a pack or two , or three I just have to finish some physics homework(magnetic fields produced my current).

Carlo
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Old Mar 16, 2002, 10:30 PM
Our Daddy and Heli Junkie
Fred Bronk's Avatar
In Heli Wonderland
Joined Aug 1999
22,803 Posts
Hank, there are only 24 hours a day! That is one heck of a list.

Most of the info can be had on the forums and web sites.

Send me an email and I will try with some of the other stuff.
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Old Mar 16, 2002, 11:19 PM
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Montreal, Canada
Joined Mar 2002
217 Posts
Motor comparaison

The mega 20/30/3 is comparable to the Phasor 30/3 is that right ?
So where should we place the 20/30/2 ? Is that an "FAI" version of the 20/30/3 ? The /3 and /2 stands for the windings ?

Tks
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Old Mar 17, 2002, 12:12 AM
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Dallas Intl, Texas, United States
Joined Jul 2001
444 Posts
I've got the best of both worlds!!!

Hacker B50-15L & Future 45Ho!!!

Performance AND Duration....

And now...... (I feel like I'm about to call the start of trading on the stock market cause Logo 10 motors are so hard to get right now....)

FXAEROMODELS HAS HACKER B50-15L FOR LOGO 10!!!

RING! RING! RING! GAVEL! GAVEL! GAVEL!

Hehehehe

Chad
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