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T-REX 600 › Scorpion 4025-1100 is finally out!
03-18-2009 12:58 AM  8 years agoPost 121
asm

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California

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Well, It's a toss up right now for me between 4025-890 and 4025-1100.

I am going to be running 8S, I know how a 4025-890 flys as my buddy has one in his Trex600. However, since 1100kv is also available, I am exploring my option here.

So, if some has a Eagletree graph, that would be super.

Brian

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03-20-2009 08:28 PM  8 years agoPost 122
smartguy

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Corona, CA

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anyone running the 4020-1100 scorpion on the t-rex 600?

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03-21-2009 01:24 AM  8 years agoPost 123
snjbird

rrKey Veteran

Kissimmee, Florida-​USA

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Castle governor...

I am running a couple of Castle 85hv's

one in a trex 500 and a logo 10..

I am running the simple "Gov high" setup and running mid gain and mid throttle response...

both machines seem to run very well...no issues really...

as for the Scorpions ...they are Great motors in the trex 600...I helped a friend of mine set up a 10s Trex 600 with a 4025/890kv last summer...and that thing is a LOT of fun....

we were getting 4 1/2minutes on a 10s 4200mah setup running 2100 on the head...
JAG, I have to try some those settings, they will all act a little different, so I hope it helps, I get 4 mins of med to hard style 3D on my 5000mAH 6S setup the packs are up around 120-130 and the mAH replaced is 80% pretty much every time, I am looking forward to getting the machine on 8S, since that has been my plan I am going to stick with it. I have a couple of the 8S 4200 Outrages on my wish list at the LHS so when they come in I'll make the switch!

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03-21-2009 03:02 AM  8 years agoPost 124
Spitfire1

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Perth Australia

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what is the go with the oiling of the bearing issue on these scorpion motors, are both the bearings accessable when the motor is in the heli?
Surely you dont have to take the motor out of the heli and apart every 5 flights do you.
The reason I ask is I met a guy with one in his 450 who had to do exactly that to oil the bottom bearing, I dont like the idea of haveing to remove the motor every 5 flights.

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03-21-2009 03:49 AM  8 years agoPost 125
OICU812

rrMaster

Edson, Alberta,​Canada

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Spitfire, no you do not have to take out the motor, Scorpion makes an oiling kit, comes with two needles super fine in size, you can easily get at the bearings. All major vendors sell these oiling kits as well.

...Once upon a time there were Nitros, flybars and frequency pins...

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03-21-2009 04:26 AM  8 years agoPost 126
McRex

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AZ-USA

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Exactly what OICU812 said, I've never had to pull any of my Scorpion motors out to oil them.

Daniel, AMA # 923248

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03-21-2009 07:11 AM  8 years agoPost 127
Spitfire1

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Perth Australia

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Excellent. I did not like the idea of haveing to take the motor out every 5 goes.

I met a guy with one in a Trex 450, he said he could only get the top bearing oiled without taking out the motor out.

Hopefuly come Monday I will have some money to buy 2, Ive decided two buy 2 4025 1100`s, one for my Trex and one for a Logo 500 Ive yet to build, one of the two helis will only have a 75 amp align esc, I am thinking the Logo 500 will have less amp draw so I will use my 75 amp in it, allthough the Trex 600 is cheaper and easier to repair, so maybe use the 75 on the Trex.
Im not sure yet which to put the 75 amp align on, either the smaller 550 size heli or the more expendable 600 size one.
Not so much that I consider my Trex 600 expendable, just more so than the Logo 500, due to parts e.t.c

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03-21-2009 04:43 PM  8 years agoPost 128
miskin

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south east england

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hi Guys

Im thinking of purchasing a 4025/1100kv for my trex 600 can anyone compare it againts a Zpower Z50 1150kv using a 16T pinion as this is what im currently using.But i think the bearings have gone in the motor so im looking for another motor and looking at the 4025/1100.

Also how do you go about changing the bearings in the scorpion motor the ones in the zpower motor look like they are glued in or something id rather purchase a motor that is easy to maintain and change bearing on.

Anthony

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03-21-2009 04:57 PM  8 years agoPost 129
02deuce

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Willis, Texas

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I just hacked my frames last night and dropped in the 4025-1100 with a 16T pinion. I will FDR some graphs on 6S this weekend. This is on a 600 EPS Jive 80+HV.

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03-22-2009 11:43 AM  8 years agoPost 130
smartguy

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Corona, CA

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you guys using the CC80 esc, what timing are you guys using for this motor (4025-1100), and what khz setting, i heard 8khz setting?

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03-22-2009 03:33 PM  8 years agoPost 131
Ben-T-Spindle

rrProfessor

Central Illinois

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you guys using the CC80 esc, what timing are you guys using for this motor (4025-1100), and what khz setting, i heard 8khz setting?
I use 12 KHz and 5 on my HV85. I have heard that a timing of 3 or 4 makes it run a little cooler but have not tried that.

... BTS

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03-22-2009 11:13 PM  8 years agoPost 132
02deuce

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Willis, Texas

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FDR

Here is the Eageltree Data this is on the 4025-1100 on 6S Zippy 5000 mAH packs Jive +80 HV Ambient temp was 72 degrees.
On the hardest flight motor temp 117 Pack temp 113 Jive temp 97.
This setup definitely runs cooler than the 650L motor and has more power. First Graph is tic tocs flips funnels ect. not 3D but very aggressive sport flying, the second graph is flying smooth circuits with a couple of pitch pumps and a couple of rolls. Note the flatline RPM's that the Jive holds.

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03-23-2009 07:34 AM  8 years agoPost 133
asm

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California

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Thanks for the FDR. I always love it whenever someone can come post their FDR, rather then the pointless "it works better then before" or "I think it's powerful and unboggable"

Form the look of FDR, either Jive is doing a great job holding the RPM or the 4025-1100 got more torque then the stock 600xl. I noticed the voltage dropped to 19.50v on the 3D FDR. It's no surprise there as the pack used was a ZIPPY.

Have you ever tried your exact same setup with stock 600xl motor? Can Jive hold RPM even with stock motor?

B

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03-23-2009 11:38 AM  8 years agoPost 134
02deuce

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Willis, Texas

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To compare

FDR of the 650L (1220kv) motor to compare. The 650L motor was alot hotter then the Scorpion + it was harder on the packs and Jive also.

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03-23-2009 12:04 PM  8 years agoPost 135
02deuce

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Willis, Texas

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ASM
I don't know if your discrediting the Zippy packs, but if you were then you might want to reconsider. I have flown TP,FP,Outrage and Zippy. And the Zippy Packs have more snap then all of the above. I fly both OR and Zippy on my 500ESP and the Zippys hold volts better on hard collective moves then the OR packs. Plus on the FDR they give me 50-100 more RPM. Go figure for a pack that is half the price.
Sorry I didn't mean to Hijack this thread. Its just that the info was to good to pass up.
If you want me to post comparison FDR's to back it up on another thread I'll be more than happy to share those FDR's also.

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03-23-2009 01:15 PM  8 years agoPost 136
Ben-T-Spindle

rrProfessor

Central Illinois

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I have flown TP,FP,Outrage and Zippy. And the Zippy Packs have more snap then all of the above. I fly both OR and Zippy on my 500ESP and the Zippys hold volts better on hard collective moves then the OR packs. Plus on the FDR they give me 50-100 more RPM. Go figure for a pack that is half the price.
It agree, the newer Zippy packs are a step ahead on the competation when it comes to performance. The older ones were a little low on power but the new ones are definitely not. The thing about Zippy is that they sell an extremely large volume and have the resources to keep making them better and less expensive.

The other brands should cut their price so that they can get all those old packs off the market and go to the newer higher performance and lower cost cells like Zippy does. The days of overpriced LiPo packs are quickly coming to an end.

... BTS

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03-23-2009 02:07 PM  8 years agoPost 137
McRex

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AZ-USA

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The new Zippys definitely rock! I don't have a fancy Eagle Tree graph for it, but you can tell a difference, at least I would hope you could tell the difference.

Daniel, AMA # 923248

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03-23-2009 05:12 PM  8 years agoPost 138
asm

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California

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02deuce,

Don't get me wrong, ZIPPY pack are great. I use them my heli too. I was speaking in term of comparing to Outrage pack.

Outrage pack (or any other brand that use the same cell technology) now is the top performer. Their internal resistance is roughly half of what ZIPPY pack/TPv2/FP Evo. This result in less voltage depression under load and lower temperature after flight.

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03-26-2009 05:32 AM  8 years agoPost 139
Spitfire1

rrElite Veteran

Perth Australia

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Im trying to put this scorpion 4025 1100 into my Trex but the three motor leads protrude out from the top of the motor, did you guys just tighten the motor in and bend the leads down to get the motor to push up flush onto the aluminium mount???

Im frightened I might brake them..

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03-26-2009 06:17 AM  8 years agoPost 140
Spitfire1

rrElite Veteran

Perth Australia

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Ive got it, I just pulled the wires snug with the alen bolts, seems OK.
So far Ive hovered 2 packs, the first had me worried as the motor temp seemed alot hotter than I expected, but to my releif the second pack just hovering with about 3 - 4 punch outs the temp was cool, the motor seems alot more lively in climbouts, and where I noticed it the most was how well it drop stalled, I think this motor will be good if I can figure out how to stop this damn oneway from locking up.

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T-REX 600 › Scorpion 4025-1100 is finally out!
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