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ProModeler Scorpion Power
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Electric Conversions
› Raptor 50 conversion
06-05-2010 11:55 PM  7 years agoPost 1
neale

Senior Heliman

BRISBANE ,Australia

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Hi all,
I have been looking at doing a conversion on Raptor 50 I have had for a couple of years, and I would like to convert it over to electric, and just leave my 700 as nitro. I was looking at setting it up on 12s but looking at the costs, I thought I would like to go with an eights set up. So the question is, will an eights set up run well enough for sport flying, with very little 3d. Will it have sufficient power, and not work the batteries, speedy too hard? any all advice or and feed back would be great, Thanks, Neal.

Have money pit,but small shovel !!

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06-06-2010 02:50 PM  7 years agoPost 2
jbeauvil001

Heliman

Vermont, USA

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in my opinion you would be better off going 12S. 8S works your batteries pretty hard and they wont last as long. The power would be fine for sport flying and a little bit of 3D on a 50, but a 12S setup would be all around better. Cooler batteries, longer flight times, more power, etc. Besides the expensive parts of these conversions ar either ESCs and batteries. the ESC will have to be HV either way and the batteries arent that much more expensive. Just my $.02

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06-06-2010 03:19 PM  7 years agoPost 3
Larry3215

Senior Heliman

Gig Harbor, Washington, USA

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+1

Id go at least 10S.

Larry

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06-07-2010 08:26 AM  7 years agoPost 4
neale

Senior Heliman

BRISBANE ,Australia

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OK So 12s it will have to be. What motor and speedy is reliable and suited to sport and a little bit of 2d,but not much 3d?

Neal

Have money pit,but small shovel !!

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06-08-2010 05:43 PM  7 years agoPost 5
Heli143

Elite Veteran

Phenix City, AL

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I'm just learning the electric side of the house but here is my Raptor 50 titan conversion with a Century motor combo using 6S... yes I said 6S.
It will be going in a Long Ranger fuselage next week for a test flight but here is a youtube video of the first test flight in pod and boom by copterdoctor. I think you will like the way it looks and especially sounds. it was set up with the clutch so it has a very smooth scale spool up while the blades are still stopped.
Pics of the setup are in my gallery.

Watch at YouTube

Roy Mayoral

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06-08-2010 06:00 PM  7 years agoPost 6
ady

Key Veteran

norfolk england

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i converted my raptor 50 titan se to 8s and it was a rocket , kept breaking main gears tho when giving it the big-un , used 3750 packs , flew brill for sport stuff , you`ll have to use a low kv motor for 12s , which means loadsa power let us know how it goes please

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06-09-2010 03:12 AM  7 years agoPost 7
Copter Doctor

rrProfessor

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

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in my oppinion, if you are looking for sport flying with little 3d, you can do it with a 6s setup. i am running a 6s with an 800kv motor from century. turning a 4 bladed head with a fuselage on it does very well. it weighs 12LBS and does very well. like Roy's i kept the clutch system in place andmade my own mount form aluminum sheet an dused a prop adaptor for the electric airplanes tomount the clutch and fan system to the motor. total cost is under 5 bux for the mount and adaptor. keepingit in pod n boom like you are willgive you even better performance than with a 12LB scaler with 6s and 800kv of motor
heres a short clip of my 58D
raptor converted to electric.
http://www.youtube.com/watch?v=-qyCcw6Egg8

drive a rotary, fly a rotorcraft

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06-16-2010 04:53 AM  7 years agoPost 8
neale

Senior Heliman

BRISBANE ,Australia

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COPTORDOCTOR, I just saw a conversion of a heli done for Heli 143, that is exactly what I am after!! As I would like to avoid changing the frames etc. Would it be possible to have a bit more info on the set up. Particually the mount, and also the prop adaptor. The prop adaptor part I have not seen or heard of. Any info would be great.
Neal

Have money pit,but small shovel !!

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06-17-2010 03:52 AM  7 years agoPost 9
Heli143

Elite Veteran

Phenix City, AL

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Hi Neal,
I will send you some pics tomorrow and will also send Emile a text to send you some also as he has several different mounts that can be used.
IMHO I still beleive the T-Rex 600 motor mount is the easiest way to go.

take care.

Roy Mayoral

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06-17-2010 11:32 AM  7 years agoPost 10
neale

Senior Heliman

BRISBANE ,Australia

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Thanks for that, I look forward to some pics, will be nice to make a start on the conversion.
Neal

Have money pit,but small shovel !!

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06-19-2010 12:03 AM  7 years agoPost 11
Heli143

Elite Veteran

Phenix City, AL

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sent you a PM

Roy Mayoral

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06-19-2010 12:25 AM  7 years agoPost 12
Heli143

Elite Veteran

Phenix City, AL

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OK, first of all I cannot take credit for this conversion idea.
This was made up by Wayne (Maxpilot57) who converted a couple of his helis to electric.

This is a pic of the prop adaptor he came up with that works for this conversion. It comes from Tower Hobbies for less than $5.00.
Of course I now have three of these in my shop

Roy Mayoral

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06-19-2010 12:28 AM  7 years agoPost 13
Heli143

Elite Veteran

Phenix City, AL

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Next is a pic of the adaptor mounted on the motor shaft.
These pics are kind of a blow up for illustration purposes

Roy Mayoral

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06-19-2010 12:31 AM  7 years agoPost 14
Heli143

Elite Veteran

Phenix City, AL

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now the fan screws on to the prop shaft just as if it was your nitro motor shaft, install the nut and then the clutch shoes are mounted to the fan.

Roy Mayoral

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06-19-2010 12:40 AM  7 years agoPost 15
Heli143

Elite Veteran

Phenix City, AL

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Of course I forgot to post a pic of the motor mount. So obviously the electric motor is mounted on the motor mount before the fan and clutch are mounted.
It is a T-rex 600 mount and it sits between the frames.
all you have to do is line it up straight and drill the holes in the side frames to hold the mount in place.

here are pics of a raptor with the nitro engine removed and a 600 mount sitting pretty much where it would go but will be adjusted to sit in the right place. Once everything is lined up then you can drill the frame holes to hold the mount in place.

I hope I haven't forgotten anything, but again, I am new to electrics and learning as I go. I am sure Emile (Copterdoctor) or Wayne will add anything I may have missed.

Roy Mayoral

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06-19-2010 12:51 AM  7 years agoPost 16
Heli143

Elite Veteran

Phenix City, AL

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Wayne and Emile have made some homemade mounts consisting of aluminum, carbon fibre or sheet metal. The sheet metal is bent on the sides to resemble a U Channel and the sides are bolted against the frame sides. The appropriate holes for mounting the motor are then made in the flat portion of the mount.

Below are pics of the carbon fibre mount that was built by Emile and is on my Raptor Titan as shown on the youtube video.
I had to also add a pic of the Long Ranger that I am building for those mechanics.

Emile basically is a building machine that always comes through for me and I can't thank him enough for all his help.

Roy Mayoral

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06-19-2010 02:56 AM  7 years agoPost 17
neale

Senior Heliman

BRISBANE ,Australia

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Thanks for the photos and the instructions.
I now know what I need to do! I will be ordering the parts I need over the weekend, at least the mount and adaptor. I am still unsure if I will go 6s or 8s yet. I see you are running 3s in series x 2 M I correct? What mah and flight time are you getting, the last questions will help me decide.

Regards, Neal.

Have money pit,but small shovel !!

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06-20-2010 02:14 PM  7 years agoPost 18
Heli143

Elite Veteran

Phenix City, AL

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I am using one 6S4000mah/5000mah batteries.

I don't know the answer to your flight times question as I have not flown it that long yet or done any tests to figure out my flight times, but I am sure Emile can answer that as he has been putting in a series of flights with his helis using 6S.
I don't think you can go wrong using 8S as suggested by others who have a lot more experience that I, it's just that 6S works for me and my style of flying.

Roy Mayoral

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06-20-2010 04:04 PM  7 years agoPost 19
Copter Doctor

rrProfessor

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

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on my 50 size jentranger with hawk mechanics, i am running an 800kv motor on 5s 3000mah batts and getting bout 6 mins. of course once i scale out the cockpit and it gets heavier, that will change to less time. i run 5s as opposed to 6s on thisparticular heli because i want the moderately low headspeed and as light as it is, i can get away with it. the batts run normal temps and the esc doesnt realize it was working its so cool.
my 58D on the other hand is a raptor 30/50 that has an 800kv motor as well and gets 7mins with two 6s 5000mah packs running in parralel so thats 10,000mah. the esc gets really hot and i am sure the 15lb weight of the heli doesnt help.
my recently converted to electric md500 rins an 880kv motor on 6s 500mah turning a 5 bladed head and 4 bladed tail. stillin testing so not sure on duration yet but 6s does well.

drive a rotary, fly a rotorcraft

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07-19-2010 02:32 AM  7 years agoPost 20
Gas Power

Senior Heliman

Hampstead, NC 28443

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Raptor Conversion

Hello guys,
I have enjoyed reading this thread. I am new to the electric heli's and would really like to convert my Raptor 30V2 to electric. Do you think you guys could help me out. Before we start I have to tell you that I am a big fan of Hobbycity motors. I have never had a problem with one on my planes so if we could try to lead me toward that direction, Tight Budget,
From the looks of the photos above there's not going to be alot to do. I fly mainly sport but enjoy a loop and roll. I am going to be running the 550 blades and like the Idea of using the clutch bell. Any and all help will be greatful. I am going to try to collect everything before I get started..

Thanks,
Jamie

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Electric Conversions
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