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700 Electric Conversions Align T-REX 700 Electric Conversions


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Old 03-23-2010, 03:25 PM   #41 (permalink)
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There is the picture to compare the motors HK-5020 with HK-4035
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Old 03-23-2010, 08:23 PM   #42 (permalink)
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where are these available? im guessing an 85HV will not stand up to the job with this motor
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Old 03-24-2010, 02:28 AM   #43 (permalink)
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Who will mount it on a 700E ?
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Old 04-01-2010, 07:47 AM   #44 (permalink)
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Default trex 700 and HK-5020

Yes it fits perfect on trex 700( I have one ). Only problem is the wider spread from the Mounting screws so it needs a different mount. ( KDE only works with 4035 motors )

The outrunning part is in the open part of the trex so no chance that it touches the frame.

good luck
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Old 04-12-2010, 01:51 PM   #45 (permalink)
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Default Scorpion 5020-450 KV

Made my maiden flight today on a trex 700 LE 3G
I'm shocked, so much power compared to my old actro 32-3 that I'm getting scared. Motor doesn't run hot at all ( its cold after 6 min 3d flying ) Kontronik Jive at 90% gives me 1950 rpm in mode 11 with a 12T pinion. More then enough .
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Old 04-13-2010, 02:15 AM   #46 (permalink)
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Quote:
Originally Posted by marcgode View Post
Made my maiden flight today on a trex 700 LE 3G
I'm shocked, so much power compared to my old actro 32-3 that I'm getting scared. Motor doesn't run hot at all ( its cold after 6 min 3d flying ) Kontronik Jive at 90% gives me 1950 rpm in mode 11 with a 12T pinion. More then enough .
Can you make some pics how motor looks like after it was installed on your heli ?
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Old 04-13-2010, 03:18 PM   #47 (permalink)
 

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Quote:
Originally Posted by marcgode View Post
Made my maiden flight today on a trex 700 LE 3G
I'm shocked, so much power compared to my old actro 32-3 that I'm getting scared. Motor doesn't run hot at all ( its cold after 6 min 3d flying ) Kontronik Jive at 90% gives me 1950 rpm in mode 11 with a 12T pinion. More then enough .


How do you get 1950?

KVxVolts=peak rpmxpinon= / main gear

450x44.4= 19980 x 12 =239760 / 115 = 2084.86957 this is at 100% now take 10% away = 1876.38261.

I think I'm going to try a 13t with the formula less the 10% it will give 2032.74783


Hey its a whole new ball game with this motor, but don't you want to get close to 2000rpm?
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Old 04-13-2010, 04:17 PM   #48 (permalink)
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Why are you using 44v for your calculation? Most of the newer packs will give you a higher voltage than that under load. Closer to 45.5 which is about right for a 1950 headspeed
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Old 04-13-2010, 05:22 PM   #49 (permalink)
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Default Scorpion 5020-450 KV and 1950 headspeed

I agree with the theory but I really get that high headspeed so I'm happy.
I also thought I needed a 13T or even 14T for 2000rpm
But I'm happy with the 1950 and 12T

The whole set up is much stronger then my old actro on 2000 rpm
and everything stays cold
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Old 04-13-2010, 05:41 PM   #50 (permalink)
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Any pictures or videos?
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Old 04-14-2010, 01:18 PM   #51 (permalink)
 

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You sold me I'm going with the 12t. I will replacing my 4035-560 with this motor.
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Old 04-14-2010, 04:49 PM   #52 (permalink)
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Default Scorpion 5020-450 KV and 1950 headspeed

I post some pictures shortly

greetings marc
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Old 04-27-2010, 05:44 AM   #53 (permalink)
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Default trex 700 and HK-5020

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Old 04-27-2010, 07:32 AM   #54 (permalink)
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What adaptor did you use for tail servo?
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Old 04-27-2010, 11:46 AM   #55 (permalink)
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Default trex 700 and HK-5020

Motor stays very cold ( around 40 degrees Celsius ) when doing 3D, The Jive 80 stays cold as well and My flight times are longer then with my old Actro 32-3 / CC combi.

With the right batteries this heli flies like crazy. I never had so much power.
I think they really improved the motor compared to the "old" 4035 scorpions
about 30 flights till now. BTW I use no more counter bearing like I did on my old actro, no problems so far
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Old 06-16-2010, 09:42 AM   #56 (permalink)
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I'm very interested is it possible to fit this motor on top for T-Rex 700E instread of stock Align 700M motor?
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T-Rex 250SE 350Watts
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Old 06-16-2010, 04:33 PM   #57 (permalink)
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No too big (large dia)
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Old 06-17-2010, 02:44 PM   #58 (permalink)
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Order that for my 700 stretch project..should work out quite well
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Old 06-18-2010, 05:44 PM   #59 (permalink)
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Assuming similar pitch and rpm settings, can anyone comment on the peak and average current data for the 5020-450 versus a 4035 series motor?

Anybody have some logger files to post?

Thanks,

Ben Minor
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Old 03-26-2011, 05:27 PM   #60 (permalink)
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Any updates on this motor??
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