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Electric Conversions
› Predator Max Electric
04-29-2004 04:08 AM  13 years agoPost 21
Ben74

rrApprentice

Long Beach, CA

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about 9 minutes of hard flying. it could be stretched to 12 if you're taking it easy.

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05-05-2004 03:50 PM  13 years agoPost 22
Lift

rrElite Veteran

Houston, TX

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Ben,
What kind of headspeed and gearing are you running?

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05-05-2004 05:51 PM  13 years agoPost 23
Ben74

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Long Beach, CA

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i'm running at about 1900rpm now, with an 8T pinion and 93T main gear. full throttle gives about 2100rpm.

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05-05-2004 10:12 PM  13 years agoPost 24
Lift

rrElite Veteran

Houston, TX

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1900... yum yum! That's what I like on the Preds....

Your Pred conversion and Tom Fiddler's conversion has me fired up about converting my Raven 50 CCPM.

You da man Ben!!

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05-12-2004 05:30 PM  13 years agoPost 25
Ben74

rrApprentice

Long Beach, CA

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hi all. the video links in the original post had been taken down, but one of them has been moved to a different server. that video is available here:

http://69.93.85.242/video/2004 MWE BH-Predator-TP.wmv

i have also updated the original post with the new link. this video is with an 11s3p thunder power pack. i'm now flying 12s3p, which has significantly more power. i'll have video of the 12s3p soon.

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05-17-2004 01:01 AM  13 years agoPost 26
Ben74

rrApprentice

Long Beach, CA

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had some fun at the palomar fun fly this weekend, in san diego. i entered the drag race and won. it was a very small race. it came down to me against an x-cell pro2k with an OS 70. we'll have video soon.

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06-22-2004 08:39 PM  13 years agoPost 27
Paul_Barsamian

rrVeteran

Glenview (North Suburban Chicago)

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Hey guys, I had a chance to see ben fly this thing live, I happened to be in cali recently and ran into him at the Carson flying field (I think this is the same Ben right??)

I grabbed my tac as soon as I saw Ben walk out with this thing, and on the full climb I had him at 1940 man was this thing impressive!!!

A whole lot of power and seemed to fly damn nice. Good job Ben...

-paul

Son, before you can soar with the eagles you have to learn to sh** with the chickens

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06-22-2004 09:03 PM  13 years agoPost 28
Ben74

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Long Beach, CA

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thanks paul. yep, that was me.

btw, here are the drag videos i mentioned in my last post. sorry it took so long.

large one (62MB)
http://69.93.85.242/video/SD FunFly...es-High Rez.wmv

smaller one (~30MB)
http://69.93.85.242/video/SD FunFly 2004-Drag Races.wmv

thanks to gary goodrum for taking and editing the video!

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07-05-2004 03:48 AM  13 years agoPost 29
East Coast Tanics

rrApprentice

SOUTH DAYTONA FLORIDA

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Epreds rule

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07-25-2004 10:42 PM  13 years agoPost 30
Ben74

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Long Beach, CA

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yeah, i have been talking to greg about that. he says the motor will start up with 600mm blades, but not with 710s. pretty weird. i think my 40.70 uses the same software as the 40.160, so it should work fine.

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08-02-2004 02:42 AM  13 years agoPost 31
East Coast Tanics

rrApprentice

SOUTH DAYTONA FLORIDA

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I havent had no problems wiht start up either. that is very WEIRD AL i always give the blades a spin also
ROBERT

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08-02-2004 04:41 AM  13 years agoPost 32
gpyros

rrKey Veteran

On a beach in Mexico

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Hey, Greg here, saw you talking about me! :^)

Ture, I did have a problem at first, turned out that the Schulze wanted to see a different gear ratio to start up. The gear ratio I had was fine for the Actronic, but for some reason the Actronic was limiting the top speed of the motor to around 18,000rpm.

With the Schulze, the top speed of the motor is now above 22,000, and when I changed the gearing to accomodate this (went from 9.6:1 to 11:1, a 23-tooth pinion to a 20-tooth) the Schulze now starts up fine, no pre-spin required.

Nobody has really been able to explain this, but as long as it's working, who am I to argue???

Greg

Maxi-Joker helicam
Joker-CX helicam
Graupner Jet Ranger (elec)
Raptor-50
Logo-10
9CH

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08-04-2004 03:21 AM  13 years agoPost 33
chuckhager

rrKey Veteran

Clovis, CA

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Ben,

I see you are using the Schultze 40-70 ESC. Are they still available?

Thanks,

Chuck Hager

PS - Great videos and great job putting this heli together.

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08-09-2004 06:09 AM  13 years agoPost 34
Ben74

rrApprentice

Long Beach, CA

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hi chuck. unfortunately, the 40.70 is no longer being made. schulze now has the 40.160, which is quite a beast.

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