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Old 2008.02.04, 11:45 AM   #1
Tim Johnson
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* Sneek Peek * MR-02LM 2.4ghz system

Hello Racers!

It is now time to tease you some. I am sure I will leave something out, so If you have questions please feel free to ask.

The first picture ending with 243 is just an over all picture. That neat little stand that we saw in the trade show pics does in fact come with the Transmitter. It will slide and snap into place, so that it may not fall out.

The FETs used are 3010. The second and third pictures (015, 018) show the PCB board and the FET location. This new PCB board has the KO I.C.S plug, so you will be able to adjust your car by pluging it into your laptop or home PC. The software and cable are sold seperatly.

Picture 019 shows how much lower the LM is compaired to a standard MR-02 chassis.



KT-18 2.4ghz Transmitter instruction manual

MR-02LM Parts List

MR-02LM Exploded View

MR-02LM Instruction Manual
more pic..............
Attached Images
File Type: jpg P2040243.JPG (89.6 KB, 189 views)
File Type: jpg P1070014-L.jpg (43.5 KB, 186 views)
File Type: jpg P1070015-L.jpg (37.8 KB, 185 views)
File Type: jpg P1070018-L.jpg (25.0 KB, 178 views)
File Type: jpg P1070019-L.jpg (42.1 KB, 184 views)
File Type: jpg P1070023-L.jpg (36.8 KB, 179 views)
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Last edited by Tim Johnson; 2008.02.04 at 12:01 PM.
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Old 2008.02.04, 12:12 PM   #2
Tim Johnson
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Also the bodies are two piece for the LM. This is unique to the LM bodies. Also they seem stiffer than a standard Autoscale body.

Now to link the TX with the car.
Attached Images
File Type: jpg P2040244.JPG (81.9 KB, 161 views)
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Last edited by Tim Johnson; 2008.02.04 at 12:35 PM.
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Old 2008.02.04, 12:41 PM   #3
HaCo
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Tim,
I see two FETs on top of the board, as well at the bottom. Are these both for ESC function, or is one pair for steering?
Thank you for those images!
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Old 2008.02.04, 01:10 PM   #4
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thank you very much for sharing the pictures and info
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Old 2008.02.04, 01:54 PM   #5
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Great pics Tim!!! You lucky dog !!!

Kyosho lowered the car significantly huh? Very impressive.

Kris
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Old 2008.02.04, 02:03 PM   #6
Tim Johnson
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yep, the car has been lowered, and the motor is more center, and lower.


I have NOT got confirmation yet, but I believe the 3010 FETs are "stacked". I am still waiting for confirmation of this from our designer.
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Old 2008.02.04, 03:08 PM   #7
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Show me closeups of the board, and I can tell you. Or just send the car to me...
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Old 2008.02.04, 03:17 PM   #8
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Ah nice. i did read the manual and the radio does have endpoint adjustments.

Maybe i will pick one up to play with. But i still want an M11 module.
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Old 2008.02.04, 03:46 PM   #9
mferrini
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Quote:
Originally Posted by Tim Johnson View Post
I have NOT got confirmation yet, but I believe the 3010 FETs are "stacked". I am still waiting for confirmation of this from our designer.
looking those pics, I bet they are
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Old 2008.02.04, 03:57 PM   #10
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Very nice pics, thanks Tim, can't wait! The chassis definitely has a lower CG. The two piece bodies are going to be very cool as well. I'll probably wait for the 2.4GHz module for EX-10 Helios though it might not be a bad idea to pick up the KT-18 radio as a collectors item.
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Last edited by Hammer; 2008.02.04 at 04:42 PM.
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Old 2008.02.04, 04:37 PM   #11
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If the 2 FETs on top + 2 FETs on the bottom of the PCB that we see do indeed make a 2x2 stack for the motor then what drives the steering servo motor?
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Old 2008.02.04, 04:50 PM   #12
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The new PCB has a digital servo, like the AD cars. Hence, the missing Steering FETs.
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Old 2008.02.04, 09:49 PM   #13
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Thanks for the reply. I trust your answer is correct. Just curious, but why then does the AD-Band PCB have two 3004 steering servo motor FETs that the servo motor wires attach to like the regular AM cars do?
I am not familiar with Analog/Digital servos and what components they use. Thanks again
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Old 2008.02.04, 10:07 PM   #14
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Notice the two smaller FETs underneath the 5 servo wires on the PCB. They seem to be using a smaller FET to drive the servo, but that is obviously speculation on my part. I thought I saw the servo wires all go to a different pad next to each other in the pictures.
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Old 2008.02.04, 10:29 PM   #15
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hmm... just went through the radio manual... functionwise... it's pretty programmable... wasn't expecting that... wish they could've done better in the looks department though...

thanks for the pics and write up...

hmmm..... did someone say digital servo??? smoooooth....
i suppose and hope that will solve the glitching and steering not going to center problems...

Last edited by herman; 2008.02.05 at 12:32 AM.
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