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Old 2010.02.09, 01:23 PM   #1
pepeuch
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Talking MR03 brushless !!!!!!!!!!!!!

Hi, after the MR02, after the Mini z catamaran boat, pepeuch continu on MR03 !!!!!

Photos represent the minimum for now, but I will disclose everything to the right time. there is so little space that it becomes a personal challenge, the 02 she had much more space.

hoping that you like it.



config:
- body Mazda or Mercedes C9
- front spring mount PN Racing with adjustable height stop mod for lower center gravity
- lower triangle av pn racing
- long kingpin kyosho cut and polished
- shim wheel bearing in BC
- 2 atomic knuckle
- 1,2mm shim knukles in BC
- red spring Kyosho
- steering rod from 0 °
- LM atomic pod
- homemade motor mount "JC31"
- a ball diff LM Atomic
- ceramic ball
- plate planed and polished diff
- crown in 52 dts 64pitch (the brushless motor is running slower coal equivalent voltage)
- pinion 14DT 64 pitch
- brushless motor preparation (drilling around the perimeter of the cage blocking with piano wire) , ceramic bearing
- tire GQ VS rear and front
- LM 3racing friction Teflon coated and greased
- Tbar 4 PN Racing
- friction plate teflon atomic

Mod:


Electronic:
- controler Feigao 16A ( discontinued)or Hobbywing 18A not 25!
- Electronic Servo Futaba S3107 for analogic
- Electronic Servo Futaba S3154 for digital
- Spektrum SR3500 receiver 2.4 GHz pro
- Feigao 7500 Kv brushless replace by NEU 7300 or 8300kv
- ORION 750 SHO (20min runing)

177,4 grs RTR
38 km/h With 52/10



le 15/03/2011: modification of direction's servo

since the beginning of this project and even from version MR02 brushless, large problem in this direction was because the electronics of the servo controller was too close to the servo, and it was because of lack of space. I look very long to find an electronics very small, and I put Apas bit of time finding the ideal location in the new chassis 03. Now it's done:
Before modifications:

The electronic in the front block of 03

After modifications:


02/02/2012

Hello, already a year since I could not work on my MiniZ brushless!
involved my soldering iron that passed away, and not wanting to reinvest in a bad mark I saved to pay me a welding station.

and now I test it on the MR03, it took me change the electronic servo because it was not fit and I have remodifier the front to install an electronic more consistent. it was not easy to integrate all this but it is done and the direction is very reactive.

tests will be done this weekend and a small video on the training track. I still have the parameters of the controller to study and later pressed the engine replaced by a motor "NEU proton" more torque because it has four instead of two poles on the Feigao.

you will notice that a resistance is added to the potentiometer of management, it is normal, futaba had put so I was rewiring the same, a micro condensatuer is also under the steering motor is just a surge suppressor.
feast your eyes, and do the same.

PS: pecifications the chassis and the list of used electronics is updated, now do just as I was not the only one;-)
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MR02 brushless
Z boat catamaran brushless
AWD brushless
MR03 brushless v1
MR03 brushless v2 READY!!!!!!!
F1 brushless comming soon
MR03 front on F1 soon

mini z on toulouse is here ---> http://www.cmz31.net/phpBB3

Last edited by pepeuch; 2012.02.07 at 09:01 AM. Reason: upgrading
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Old 2010.02.09, 01:57 PM   #2
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Old 2010.02.10, 12:27 AM   #3
herman
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more info pls....
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Old 2010.02.10, 05:21 AM   #4
pepeuch
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Quote:
Originally Posted by herman View Post
more info pls....
Hi, sorry but for now I only shows the minimum, because I am not yet sure how to move the son and the location of the receiver is not yet final. and then there is very little space (less than the 02). but party like it's gone I will finish this project quickly and there you will have all the details.

(my english is poor 'googles trad')

one hand it makes you even more mouth watering

for the impatient and curious here is the link of my cars converted to brushless:

MR02: http://cmz31.aceboard.fr/15139-3154-...hless-dans.htm
MR03: http://cmz31.aceboard.fr/15139-3154-...e-mondiale.htm
AWD brushless: http://cmz31.aceboard.fr/15139-3154-17636-0-pepeuch.htm
mini z catamaran boat: http://cmz31.aceboard.fr/15139-2259-...at-Pepeuch.htm
another catamaran boat brushless: http://cmz31.aceboard.fr/15139-2259-...-brushless.htm
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{}===`\-Peuch-->

MR02 brushless
Z boat catamaran brushless
AWD brushless
MR03 brushless v1
MR03 brushless v2 READY!!!!!!!
F1 brushless comming soon
MR03 front on F1 soon

mini z on toulouse is here ---> http://www.cmz31.net/phpBB3

Last edited by pepeuch; 2010.02.10 at 05:43 AM.
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Old 2010.02.10, 07:02 AM   #5
klims
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I'm keen to hear more about how you got a 2mm shaft on the fiegao. That has always been my biggest problem with installing a brushless system
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Old 2010.02.10, 08:16 AM   #6
pepeuch
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Quote:
Originally Posted by klims View Post
I'm keen to hear more about how you got a 2mm shaft on the fiegao. That has always been my biggest problem with installing a brushless system
google: cbracing ;-)
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MR02 brushless
Z boat catamaran brushless
AWD brushless
MR03 brushless v1
MR03 brushless v2 READY!!!!!!!
F1 brushless comming soon
MR03 front on F1 soon

mini z on toulouse is here ---> http://www.cmz31.net/phpBB3
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Old 2010.02.10, 09:09 AM   #7
gomez
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how about some videos on track to view those beaty running ?
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Old 2010.02.10, 10:44 AM   #8
pepeuch
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one video of MR02 (my first edition) :http://www.dailymotion.com/pepeuch/video/x1abvk_zbl
for awd brushless in drift by tkc31 (not racer): http://cmz31.aceboard.fr/15139-3159-...sion-Drift.htm
z boat (by jc): http://perso.wanadoo.fr/modelereduit/photos/cat.MOV.MP4
http://perso.wanadoo.fr/modelereduit...s/cat1.MOV.MP4
http://perso.wanadoo.fr/modelereduit...s/cat2.MOV.MP4
__________________
{}===`\-Peuch-->

MR02 brushless
Z boat catamaran brushless
AWD brushless
MR03 brushless v1
MR03 brushless v2 READY!!!!!!!
F1 brushless comming soon
MR03 front on F1 soon

mini z on toulouse is here ---> http://www.cmz31.net/phpBB3
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Old 2010.03.10, 12:35 AM   #9
pepeuch
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Hello,

it's good, my 03BL running, it's very difficult of wiring the receptor and brushless controller with less place than MR02. But i arrived !!!!

photos and video comming soon ;-)
__________________
{}===`\-Peuch-->

MR02 brushless
Z boat catamaran brushless
AWD brushless
MR03 brushless v1
MR03 brushless v2 READY!!!!!!!
F1 brushless comming soon
MR03 front on F1 soon

mini z on toulouse is here ---> http://www.cmz31.net/phpBB3
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Old 2010.03.18, 03:23 PM   #10
pepeuch
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the new tofs:

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{}===`\-Peuch-->

MR02 brushless
Z boat catamaran brushless
AWD brushless
MR03 brushless v1
MR03 brushless v2 READY!!!!!!!
F1 brushless comming soon
MR03 front on F1 soon

mini z on toulouse is here ---> http://www.cmz31.net/phpBB3
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Old 2010.03.18, 03:30 PM   #11
pepeuch
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and the body not finish ;-)

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{}===`\-Peuch-->

MR02 brushless
Z boat catamaran brushless
AWD brushless
MR03 brushless v1
MR03 brushless v2 READY!!!!!!!
F1 brushless comming soon
MR03 front on F1 soon

mini z on toulouse is here ---> http://www.cmz31.net/phpBB3
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Old 2010.03.18, 05:00 PM   #12
Mike Keely
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Do you notice a differance with so much more motor on the left side of the car?
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Old 2010.03.20, 01:57 AM   #13
Felix2010
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Awesome car I like it a lot.

What's the Race-Ready weight for this badboy? - including batteries, body, transponder, etc?

I have wanted to build a "hobby-spec" MR02 for a very long time but since the MR03 arrived I have been extremely happy with the new 03's electronics -> The RA-22 PCB unit is extraordinary I think. So now my KO SS-Rx is headed towards 1/10th glory (I hope). I just need lots o' time to hit the books and do some heavy research into the 1/10 Electronic Racing scene

But it is still in the back of my mind to build an MR02/MR03 using a KR408S Rx. I have a TGR Spinner I bought specific for the job (No brushless for me).

Also what brand & part# micro steering servo did you use to power the MR03's steering on your Brushless MR03 Pepeuch? I'd appreciate your help in choosing a servo. Thanks for the info, and for the great project
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Old 2010.03.23, 06:29 AM   #14
pepeuch
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Quote:
Originally Posted by Mike Keely View Post
Do you notice a differance with so much more motor on the left side of the car?
Hello, no I did not feel any difference with the extra weight on the left side of this motor also is lighter 5grs that brushed motor, and I even think that the weight is better distributed because it offsets the weight differential that is found to be the opposite side.

Felix2010: the weight of the MR-03 is 168.4 grs RTR

electronics used for the Rx is a spektrum who happens to be perfect and without its top radio electronics for servo I used a pico servo (5grs), the servo electronic is very small and I replace the potentiometer of the servo by that of MR-03, and the motor.

Otherwise the frame will soon compete in an endurance of 8 hours, shook his first appearance, the inconveniences of this race is to be used tire rubbers then another less torquey engine shook used (short cage motor in 8000Kv ).

For this reason the engine is prepared with ceramic bearings and reliability of the cage (which tends to déflasquer). I will explain in pictures how préprer these small brushless motor.

sorry for my english (google trad)
__________________
{}===`\-Peuch-->

MR02 brushless
Z boat catamaran brushless
AWD brushless
MR03 brushless v1
MR03 brushless v2 READY!!!!!!!
F1 brushless comming soon
MR03 front on F1 soon

mini z on toulouse is here ---> http://www.cmz31.net/phpBB3
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Old 2011.03.02, 03:59 AM   #15
pepeuch
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Hi, Added features on first post.
Video comming soon.
__________________
{}===`\-Peuch-->

MR02 brushless
Z boat catamaran brushless
AWD brushless
MR03 brushless v1
MR03 brushless v2 READY!!!!!!!
F1 brushless comming soon
MR03 front on F1 soon

mini z on toulouse is here ---> http://www.cmz31.net/phpBB3
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