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HelicopterScale Model RC Helicopters › Convert your Trex 600N to electric the easy way using the clutch for scale spool ups!!
01-01-2013 03:40 AM  5 years agoPost 1
DCORSAIR

rrVeteran

Selma, Calif.

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I though this would be okay to post here for the scale guys wanting a way to convert your Trex 600N to electric using the clutch for those scale spool ups. This is cheap and so easy as long as you stay in the 540kv and up, don't think those big fat low KV motors will work because of the space between the motor and the side mounting bolts, that is why the top bolts are offset in the picture so the nuts will clear the motor.

There is more info in the electric conversion section. Thanks

D. Lee.....t.Born again.t.....

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01-01-2013 03:42 AM  5 years agoPost 2
Mojave

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Palos Verdes, Ca. USA

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Cool. Looks like you adapted the century e-power conversion kit for the hawk mechs.
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

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01-01-2013 03:45 AM  5 years agoPost 3
DCORSAIR

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Selma, Calif.

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Yep!
I have found alot of uses for this mount when RR was down.......actually got some things done but thought I was going to go nuts..

Got my eye on that RCA UH-60 Black Hawk, thinking this would be a great set of mechanics using the clutch, 6S might not work but I bet 8S would be perfect with a 530KV motor??

D. Lee.....t.Born again.t.....

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01-01-2013 09:08 PM  5 years agoPost 4
Scott99

rrApprentice

Nelson, New Zealand

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Clutched E conversion
This one worked out well also. This one is 740kv for a 1400 - 1550 range of head speeds. Temps were really low - seemed like a very efficient set up, and 14 min flight times on a 6S 5AH batt.

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01-01-2013 10:48 PM  5 years agoPost 5
Heli143

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Phenix City, AL

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Dcorsair
8S would be better but consider bumping up to 10S in the Blackhawk. I am building one with a Chaos 600, clutch system, 560 Kv on 10S but will test it out with 12S also. I'm just getting the hang of electrics so someone with more experience and knowledge of electrics will chime in and make sure we are headed in the right direction.

Roy Mayoral

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01-01-2013 11:26 PM  5 years agoPost 6
DCORSAIR

rrVeteran

Selma, Calif.

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I agree
I'm new to electric as well and learning all I can. My TT Ecureuil just got converted using a Neu 530KV on 8S and this thing is heavy, 8S seems to be just right so far, I'm getting 5 minute flights no problem everything slight warm and not even using 1/2 on my two 4000mah pks.

The Trex 600 has a very low headspeed on 6S so I will have to step it up to 8S or higher, or I might go to a 740KV if I keep it as my funfly heli around my house. I think I'm getting the hang of this electric unless an electric expert can jump in. There is not much gearing choices to make if using the clutch on some of these mechanics so if I need lower headspeed I'm just changing the motor to a lower KV motor for more torque then I jump up to a higher battery voltage if 6S doesn't work, I'm really trying to adjust everything to 8S because two 4S pks fit perfect in my fuses and are hidden, they also fit through my windows without pulling the front fuselage off. I can't believe there are so many different choices to adjust the headspeed besides the throttle curves which I like to keep in the 70% to 85% range across the curve....

My real question is, are lower KV motors with lower HS more demanding on the batteries or is the higher KV motors with higher HS.?? Hope I said that right...

D. Lee.....t.Born again.t.....

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01-02-2013 12:29 AM  5 years agoPost 7
rctrooper1

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Brownsville, Texas

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Hey fellas,

I just pulled the trigger on an RCA VH-60 (Presidential). I read up on their website that they recommend a 10S or 12S setup. Both with low Kv motors. They also recommend an 85HV or 120HV esc. I know with a 4 blade rotor head I will need to keep it a 1300 to 1500 headspeed.

I am new to electrics as well, so I need to read up as much. Keep you guys posted with pics when I get the fuselage later this week.

thanks

jz.

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01-02-2013 09:43 AM  5 years agoPost 8
Copter Doctor

rrProfessor

Enterprise/ft.rucker ,al- home of army aviation

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clutched elec mechs
for the last 4 yrs ive built my scale elecs using a nitro machine converted utilizing the clutch. i saw Darrell Sprayberry do this yrs ago (he got it from Peter Wales) and ive done it this way ever since. there has been many discussions on why bother as well as why not and tons of advantages of why its the way to go. ive done this with my xcells, predators, sceadus, shuttles, hawks, trex 600Ns, and raptors. super easy to do and for scale, it makes it the "poor man's turbine"
heres my century blackhawk that i converted a few months ago after living 6 yrs of its life as a nitro bird.

Watch at YouTube

My OH58D in the youth of its construction doing a spoolup test

Watch at YouTube

drive a rotary, fly a rotorcraft

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01-02-2013 07:45 PM  5 years agoPost 9
Mojave

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Palos Verdes, Ca. USA

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As far as the rex600N platform is concerned, there are many good low KV motor choices that will fit between the nitro frames. Anything that won't fit, probably will if you modify the frames a bit. You are very limited with the pinion choices, so motor KV and voltage selection is key to obtaining the most efficient combo and proper HS. With the rex600E, you are better off getting the Chaos mechs, as they are the wider nitro style bearing blocks and tail case and will accomodate bigger motor cans than the Align version.

When I have a very good selection of pinions at my disposal, I opt for the highest voltage and lowest KV motor that I can use and still get my desired HS without having to govern the esc down very low. Keep in mind, the lower the KV the higher the TQ (but lower RPM per volt), so when combined with higher voltage, the motor doesn't have to work as hard to provide the required HS. Also keep in mind, that you can read all of the charts that you want, but this is still a science experiment. You play around with the combo until you get it to perform with as few compromises as possible. I have found most HS calculators are within 10% accuracy when used on a 2 blade head, but when you step up to multi blade combos, you have to fiddle with the gearing a bit to find the most efficient set up. This isn't possible with the rex600N platform due to limited pinion choices, so your other option is changing the KV. This can get expensive, so most folks just live with the choices they have made.
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

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01-02-2013 08:17 PM  5 years agoPost 10
Heli143

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Phenix City, AL

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Thanks Barry!!

great info!
I can't wait to build my chaos and get it up and running

Roy Mayoral

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01-03-2013 12:25 AM  5 years agoPost 11
Copter Doctor

rrProfessor

Enterprise/ft.rucker ,al- home of army aviation

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Also keep in mind, that you can read all of the charts that you want, but this is still a science experiment. You play around with the combo until you get it to perform with as few compromises as possible.
truer and wiser words have never been spoken. teach, mojave, teach

drive a rotary, fly a rotorcraft

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01-03-2013 12:58 AM  5 years agoPost 12
Mojave

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Palos Verdes, Ca. USA

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Thanks Doc...
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

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01-03-2013 01:50 AM  5 years agoPost 13
doorman

rrProfessor

Sherwood, Arkansas

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ESC's
I have been reading and following your posts and really like hearing from each ones experiences..
One thing that I have not seen mentioned though is also having to change your ESC when you go to an HV set up (above 8S)... watch those voltage ratings..
Just something I thought you might want to keep an eye on...
Keep those conversions coming...it is good to see some new options being offered now...
Doc, you are 100% correct... Mojave did nail it!!!

Stan

AMA 2918-Team JR, Spin Blades,,Castle Creations, Unique Aircraft

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01-03-2013 02:18 AM  5 years agoPost 14
DCORSAIR

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Selma, Calif.

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So!!!
So for us that are not new to flying but new to electric, we are going in the right direction looks like, the pros have spoken and I thank all that have replied to this post helping us along. I only did these conversions to learn about KV, volts, batteries, gearing, ESC choices and I did learn one valuable lesson on ESC's, when I first started this journey I went out and bought some used ESC's and they have all worked great without one issue so far, but what I didn't know was three of the ESC's I bought were only good up to 6S, so now I have to buy more ESC's if I want to run 8S or bigger. I did buy one CC V2 80HV that has worked flawless so far and I learned how to program it on my Laptop If anyone reading this is just starting out, buy an ESC that can do more than 6S unless you only plan on staying 6S. There, that is my opinion on that!!!!!

D. Lee.....t.Born again.t.....

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01-03-2013 02:55 AM  5 years agoPost 15
busyflyin

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Owosso, MI USA

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Emile;

I have been out of the hobby for a couple of years dealing with some health issues but now tip toeing back in. I have an almost brand new Sceadu 50 and love the vid you do to demonstrate the effects of the electric conversion. If I wanted to do the same thing, where would I go to get such a conversion.. or parts and pieces? Thanks.

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01-03-2013 03:19 AM  5 years agoPost 16
Mojave

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Palos Verdes, Ca. USA

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Stan (doorman) hit on a very overlooked point. I think we forget that not everyone is up to speed with e-power info.

Another point that is often overlooked is esc headroom. Plan for a governed head speed that is 10 percent lower than the combo will run at 100 percent. This way you leave enough headroom for climb outs and higher loads on the Power system. Also, pick an esc that is rated higher than your needs. Reason; even though scalers tend to draw less amps, closed fuses run hotter than pod/boom machines, so it's nice to have some peace of mind when it comes to the most failure prone component.
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

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01-03-2013 03:35 AM  5 years agoPost 17
DCORSAIR

rrVeteran

Selma, Calif.

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Ahhhhh!
Sceadu Evo conversion, done that too........

D. Lee.....t.Born again.t.....

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01-03-2013 04:14 AM  5 years agoPost 18
Copter Doctor

rrProfessor

Enterprise/ft.rucker ,al- home of army aviation

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my conversion for the sceadu is a bit different but the same idea. i made my motor mounts using 90 degree aluminum angle i bought from lowes then use a prop adaptor form great planes/electrifly for a 5mm motor shaft (other sizes are available too) toal cost is under $20 for the conversion
i am by far no expert on the elecs, my mentor is Darrell Sprayberry and i also experiment and do trial and error within reasonable limits to get darn near perfect working combos.

drive a rotary, fly a rotorcraft

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01-03-2013 02:21 PM  5 years agoPost 19
doorman

rrProfessor

Sherwood, Arkansas

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The Long Road!!!!
DCORSAIR, I learned the same way.. first were a couple of Century mechanics, and then I started to experiment with my SDX.. that is the one that I started with 6s then 8s then 10s and finally the 12s set up...
I learned so much by trial and error, and that also kept it interesting for me.. even though I still have a pretty good box of spare parts!!!!!
I have been flying e-power for awhile now, BUT, not close to being an expert... I can get into the ballpark, but sometimes do the same as Emile and contact Darrell!!!
What I find really interesting is the "new" equipment that has become available, and that is because the manufactures are seeing how popular e-power is...I have not tried one of the new Century conversion kits, but them putting a kit together and also allowing you to use the clutch or go direct is one of the smartest moves I have seen yet!!! (I like the clutch!!!!)
For the guys that are just starting up or are just getting into electric, read everything you can, and get on here and ask questions..
The info that Barry posted about headroom is something that I do constantly now...and don't give it a second thought because it works..
If you are using Castle, the Ice controllers will take you to 8s, and then you need to step up to the HV series for the 10 and 12s set ups...and being able to watch you entire flight on your laptop sure will let you know what was going on during the flight.. that data is like a road map to the proper end!!!
Keep it up guys...looking forward to seeing and reading more about your experiments and final assemblies...
Stan

AMA 2918-Team JR, Spin Blades,,Castle Creations, Unique Aircraft

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01-04-2013 04:24 AM  5 years agoPost 20
DCORSAIR

rrVeteran

Selma, Calif.

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Closed!!
I had my fun and decided I don't need another 600 so I put this one back on nitro and its for sale.....

D. Lee.....t.Born again.t.....

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HelicopterScale Model RC Helicopters › Convert your Trex 600N to electric the easy way using the clutch for scale spool ups!!
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