2009.11.02, 05:46 PM
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#1
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iTomCash
Join Date: Feb 2007
Posts: 1,706
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My MR03 Review
Almost a week after receiving it and I finally got to drive my MR03 on the track tonight. Out of the box, the only mod is standard steel bearings. Also, for the record I was using a Murcielago body, k20 rears and k30 fronts (slick).
One of the first things I did was weigh it. It came in at a surprisingly light, 87.2 grams.
Then I give it a quick spin around the living room and thought it was too quick for a 6 tooth. So I geared it up to a 9 tooth. It put down 28kph on the dyno. Considering it's a fresh, not-broken in motor, I thought that was amazing.
I also tested the reverse, which seemed perfect. However, I feel you can never be too sure when you're not under race pressure. I also found the original 2.4 reversed well when you expected the reverse situation, but when you crashed in a race it was poor.
So, the track stuff...
First of all, with my very fast and expensive AWD and Helios EX-10 I was setting 5.1 second laps with a very best of 4.88 and a massive push.
Then, I got out my MR03 for the very first time with a very simple KT-18 and on my fourth lap I put down a 4.85. It took some time to get used to the responsiveness this car had, but come the end of the night I was consistently lapping 4.9 laps with a top lap of 4.77 towards the end.
This was without any swish bearings and half decent batteries!
Also to take into consideration was a huge bump in the track that sent the car about 5-10mm into the air each lap mid corner. However, amazingly, the MR03 just sucked it up and ploughed on!
I can't wait to get this beast on the track Sunday and do some serious racing!
Other issues that have been mentioned in other threads were the run times. Well, my Duracell 900's were lasting a solid 25-30 minutes of good racing with a 9 tooth gear ratio. Then, unusually, my batteries were just dying - out of nowhere. Never seen this before with my batteries, but it happened to two sets. Just completely flat all of a sudden.
Anyone else experienced this?
The final point to raise is the reverse issue. There's been a lot of talk whether it has been improved or not improved.
I have to say I think it has improved 110%.
The terrible reverse issue in the original 2.4 put me right off and I was soon back to AM. This however, is a complete mind-changer.
The reverse is now the same as an AM car and it very rarely has moments where it freezes. I made a quick video to demonstrate this:
I apologise for the quality:
MR03 Reverse Demo
Any feedback or discussion is more than welcome!
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2009.11.02, 06:04 PM
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#2
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Registered User
Join Date: Sep 2007
Posts: 1,840
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Quote:
I also tested the reverse, which seemed perfect. However, I feel you can never be too sure when you're not under race pressure. I also found the original 2.4 reversed well when you expected the reverse situation, but when you crashed in a race it was poor.
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The car that I used had an "AM" reverse. I think it was waaay too fast for me.
Quote:
So, the track stuff...
First of all, with my very fast and expensive AWD and Helios EX-10 I was setting 5.1 second laps with a very best of 4.88 and a massive push.
Then, I got out my MR03 for the very first time with a very simple KT-18 and on my fourth lap I put down a 4.85. It took some time to get used to the responsiveness this car had, but come the end of the night I was consistently lapping 4.9 laps with a top lap of 4.77 towards the end.
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When I use to race awd, I'd bring it out when I know the track it tight. For some reason, awd likes lock-to-lock steering and you get tons of off-power steering from this chassis. If you're doing faster laps with your 2wd car vs awd, then that is very impressive!
Quote:
Also to take into consideration was a huge bump in the track that sent the car about 5-10mm into the air each lap mid corner. However, amazingly, the MR03 just sucked it up and ploughed on!
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SWEEEET!
Quote:
Other issues that have been mentioned in other threads were the run times. Well, my Duracell 900's were lasting a solid 25-30 minutes of good racing with a 9 tooth gear ratio. Then, unusually, my batteries were just dying - out of nowhere. Never seen this before with my batteries, but it happened to two sets. Just completely flat all of a sudden.
Anyone else experienced this?
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I usually stand on the driver stand until the batts are almost completely gone... I didn't notice any runtime difference between 02 and 03. If there is, it could be minimal to where it is not noticeable.
Thank you for sharing!
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2009.11.02, 08:23 PM
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#3
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Registered User
Join Date: Nov 2001
Location: makati, philippines
Posts: 8,702
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hey tom thanks for the review...
saw the reverse function in the video you posted... it looks like the reverse delay is pretty quick... and the reverse speed is fast... is there a brake function before the reverse kicks in??? or is it like the original mr01, where it switches into reverse right away?
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2009.11.03, 08:19 AM
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#4
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iTomCash
Join Date: Feb 2007
Posts: 1,706
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Quote:
Originally Posted by Tjay
I usually stand on the driver stand until the batts are almost completely gone... I didn't notice any runtime difference between 02 and 03. If there is, it could be minimal to where it is not noticeable.
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There wasn't a runtime difference, just a really odd drop off. For example, I can normally notice my batteries going over a course of 10-15 minutes. However, they felt full for about 15 minutes then just completely died! Similar to the way they do at 10th...
Quote:
Originally Posted by herman
saw the reverse function in the video you posted... it looks like the reverse delay is pretty quick... and the reverse speed is fast... is there a brake function before the reverse kicks in??? or is it like the original mr01, where it switches into reverse right away?
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It goes straight into reverse man, MR01 style-ee!
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2009.11.03, 08:22 AM
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#5
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Registered User..Of What?
Join Date: Jun 2009
Location: S.F. CA.
Posts: 89
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Hi tom,
did you have issues with frontend binding?
Thank you
D
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2009.11.03, 09:52 AM
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#6
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at the Bleeding Edge
Join Date: Mar 2007
Location: england
Posts: 1,724
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it does brake first then reverse like an mr02
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2009.11.03, 03:32 PM
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#7
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Registered User
Join Date: Oct 2009
Location: Portugal
Posts: 58
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Quote:
Originally Posted by Programmers
It goes straight into reverse man, MR01 style-ee!
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Quote:
Originally Posted by mk2kompressor
it does brake first then reverse like an mr02
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I think there is a function on kt-18 that does trigger between both styles of going into reverse. not sure tho, my mr3 hasn't arrived yet...
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2009.11.03, 05:32 PM
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#8
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Registered User
Join Date: May 2007
Location: Mini Z Dynasty Malaysia
Posts: 66
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MR03 is a very good car.
I had opened and tune my MR03 1 day before our friendly race. And I get 1st place in race. Race proven MR03......
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2009.11.03, 05:34 PM
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#9
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iTomCash
Join Date: Feb 2007
Posts: 1,706
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Quote:
Originally Posted by MINI-D
Hi tom,
did you have issues with frontend binding?
Thank you
D
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Not yet, at it's stock!
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2009.11.03, 08:16 PM
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#10
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Registered User
Join Date: Nov 2001
Location: makati, philippines
Posts: 8,702
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Quote:
Originally Posted by yscheong
MR03 is a very good car.
I had opened and tune my MR03 1 day before our friendly race. And I get 1st place in race. Race proven MR03......
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what did you do to your 03? you're from malaysia right? how much does it cost over there? any pics or vids?
Last edited by herman; 2009.11.03 at 08:55 PM.
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2009.11.04, 03:58 AM
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#11
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Registered User
Join Date: Apr 2004
Location: Sydney, Australia
Posts: 89
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Quote:
Originally Posted by Half
I think there is a function on kt-18 that does trigger between both styles of going into reverse. not sure tho, my mr3 hasn't arrived yet...
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Yes, it's definitely the brake strength adjustment on the kt-18 that can switch it to reverse like the mr-01
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2009.11.07, 06:39 PM
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#12
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Registered User
Join Date: May 2007
Location: Mini Z Dynasty Malaysia
Posts: 66
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Quote:
Originally Posted by herman
what did you do to your 03? you're from malaysia right? how much does it cost over there? any pics or vids?
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I had just take out the rear motor mount from one of my car, change Kyosho t plate. Setting the damper plate spring. Front is stock standard, stock spring, stock king pin......
Here is the pic of my MR03, just change to Kyosho balldiff with ti shaft during race.
I let other test drive the car, everyone love it.....
Last edited by yscheong; 2009.11.07 at 06:43 PM.
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2010.09.08, 06:25 AM
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#13
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Registered User
Join Date: Dec 2007
Location: Sofia,Bulgaria
Posts: 279
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brake/reverse problem
Quote:
Originally Posted by Phenochilus
Yes, it's definitely the brake strength adjustment on the kt-18 that can switch it to reverse like the mr-01
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I know it's an old thread, but I think my question would go well on-topic here.
I have an MR-03 and KT-18 from a week and I noticed the following problem:
Sometimes the brake function works fine, sometimes the car goes directly into reverse. Why is that?
How does the brake strength adjustment function on the transmitter affects that behaviour?
I tried to adjust the brake strength function on my KT-18 transmitter and maybe I messed it up - because I didn't have this problem before I touched this setting on the transmitter (or at least It didn't catch my mind).
In the manual it's written that you have to push the throttle rod all the way toward brake/reverse direction and then to use the throttle trim buttons to adjust the brake strength function. I assume that this must be done while the car is powered on. But does the car have to be in brake or in reverse?
I can go from neutral position to reverse (the car goes full throttle in reverse) - and then adjust the trim - OR - I can go forward, then reverse all the way (this will make the car activate the brake) and then adjust the trim (while the car's rear tires are braked). Which way is correct?
And of course - does this brake strength function has something to do with my problem?
Thanks for reading this long post
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2010.09.08, 09:47 AM
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#14
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Stu
Join Date: Oct 2007
Location: NYC, MIA, WESTCHESTER
Posts: 1,538
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there is a delay for reverse with 2.4
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2010.09.08, 01:34 PM
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#15
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Registered User
Join Date: Dec 2007
Location: Sofia,Bulgaria
Posts: 279
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Quote:
Originally Posted by Stugottz
there is a delay for reverse with 2.4
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It's not that.
I reseted the transmitter and the problem disappeared.
Now remains the question - what is the right way to adjust brake strength function?
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