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450 Class Electric Helicopters 450 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar.


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Old 02-06-2005, 02:54 PM   #1 (permalink)
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Default What's your setup on the Trex?

Just wondering who uses what :wink: .
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Old 02-06-2005, 03:27 PM   #2 (permalink)
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Here is my setup
Mega 16/15/4 16 tooth pinion
TP 2100 3s1p
CC35
3 HS56
MH 120 deg swash
MS carbon blades
stretch carbon boom
401 gyro with hs 50
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Old 02-08-2005, 10:43 PM   #3 (permalink)
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T rex 450 x

bats 3s1p kokam 1500
servo 3 blue bird 371's
1 blue bird 306 bb
gyro gy 401
motor chili pepper 3600 kv with 9 tooth
blades stock 315mm woodies

and i think thats it

smoked the chili pepper using hand wound cd motor
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Old 02-09-2005, 07:26 PM   #4 (permalink)
 

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Trex with stretch boom and Align "Carbon" blades.
AON 3500 11 tooth pinion
CC 35 esc
TP 3s 2100
GY240
Hitec HS56 X 3
Futaba 3108 on tail

Prior to this motor I tried the Align 400s, Chili 3200, and Mega 1615-3. The Mega was close but still got too hot. The AON is only warm after a flight.
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Old 02-10-2005, 07:34 AM   #5 (permalink)
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Align 400L
14 Tooth
Align 35
4 HS56
401
3S 2220 Tanic

The motor is a POS
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Old 02-11-2005, 04:02 PM   #6 (permalink)
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From reading on RR I guess I'll buy a Lehner 1020/17.
500 watt/ 750 grams.....
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Old 02-12-2005, 11:04 PM   #7 (permalink)
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Himax 2815-3000 13 tooth pinion
Phoenix 25
Kokam 2000mah 15C

I am very happy with this combo, I ran a Himax 2025-4200 from my Shogun before this motor (weak). Now the climb out is comparable to my sceadu/hyper 50. The Kokam 2000s never get over 94 degrees and the motor runs 120's with a heat sink. My head spead with the 13t pinion is 2500 rpm on the ground in idle 1 and it maintains very well during extended climbouts. I would highly recommend this combo. The motor costs $79 and comes with the the male connectors already soldered on and you also get the female connectors for your speed control. This motor has a 3.17 inch shaft so you can use the 13t pinion that comes with the T-rex kit. :glasses2:
I run fixed throttle mode, idle 1 throttle curve 90-80-75-80-90. Idle 2 90-90-90-90-90.
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Old 02-13-2005, 09:28 AM   #8 (permalink)
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929pilot- do you know the current draw on this setup?
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Old 02-13-2005, 11:44 AM   #9 (permalink)
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mudbogger- No, I set my timer for 6 minutes, when it goes off I usually do one or two more things and land. When I charge the pack with my Triton it takes 1300 to 1370 mah. Considering the temps I'm getting this setup will last a long time. If I'm using 1370mah in 6 minutes wouldn't that be like averaging 13.7 amps? According to himax this motor requires a 25 amp controller.

Before I put on the heat sink I was getting 145 degrees with it on I'm getting 124. The battery has never reached 100.

I think a large key to the perforance is the battery pack (Kokam 2000-15C). When I tried my old packs (Kokam 1500-6 or 8C) the performance drops off big time and the pack gets hot. When I first used the 2000-15C pack with the 2025-4200 motor it helped alot but when I install the 2815-3000 I new my search was over.
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Old 02-13-2005, 12:09 PM   #10 (permalink)
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Tower sells this pack with the deans plug on it for $68.99. It flies great but won't fit in the canopy unless you lose the servo frame by going ccpm.
http://www2.towerhobbies.com/cgi-bin...&I=LXHFG2&P=ML
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Old 02-14-2005, 04:39 PM   #11 (permalink)
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Align 35
400s
GWS pico
Electron 6
Kokam 2000 15c
My Kokam will go under the servo frame but not through the sides of the frame. I can get my canopy on.
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Old 02-14-2005, 06:04 PM   #12 (permalink)
 

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Align 400S with 13 tooth
Futaba 7FF CAP
Align 25 ESC
4 HS56
GY240
2200 4x cheap Li-po battery
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