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Tamiya mini cooper

Old 06-22-2017, 08:45 PM
  #29281  
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Hey guys, just curious.. is it fine to pair 380/390 size brushed motor with 60amp brushed esc like hobbywing quicrun 1060?
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Old 06-22-2017, 09:58 PM
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Sure, probably down to a 20 amp... But why would you be putting a 380 size motor in a mini? They come with a 540. ..... now i'm thinking about how a 380 based mini class would go...
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Old 06-22-2017, 10:52 PM
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The "Hobbywing style" ribbed motors are 380s in a 540 sized can. Works friggin awesome!
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Old 06-23-2017, 01:21 AM
  #29284  
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Default M07

Just ordered the M07 from RC Mart, who were showing stock instead of the backorder shown before but I might have that dead wrong.

I see no separate thread but no reason not to continue in this one.

Went against totally against the principle of waiting for the bugs to be ironed out but guess I got caught up in all the FB hype ;-)

Cheers
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Old 06-23-2017, 01:33 AM
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Originally Posted by Nerobro
Sure, probably down to a 20 amp... But why would you be putting a 380 size motor in a mini? They come with a 540. ..... now i'm thinking about how a 380 based mini class would go...
Nope its not for the mini
Its for my wltoys vortex haha, other forums is not active like this forum lol

So its fine right? Its brushed not brushless
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Old 06-23-2017, 04:26 AM
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Originally Posted by Nerobro
Sure, probably down to a 20 amp... But why would you be putting a 380 size motor in a mini? They come with a 540. ..... now i'm thinking about how a 380 based mini class would go...
380 brushless motors tend to have less torque but more RPM than 540 brushless, which is exactly what a mini needs.
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Old 06-23-2017, 06:31 AM
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Originally Posted by howardcano
380 brushless motors tend to have less torque but more RPM than 540 brushless, which is exactly what a mini needs.
You will get zero arguments from me on this subject. Every mini I"ve driven has had a rather excessive amount of torque.

I am starting to want a momentum machine...
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Old 06-23-2017, 03:47 PM
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Has Tamiya released that new mazada body yet curious as to what its wheelbase is for the M chassis
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Old 06-23-2017, 08:29 PM
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mazda 2? 239mm LWB
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Old 06-24-2017, 07:37 AM
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Originally Posted by Markus
mazda 2? 239mm LWB
I believe that's the one.
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Old 06-26-2017, 02:57 AM
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Default No More Hook When Conering

Originally Posted by funked1
Keep us posted on your progress. I have really similar problems. Weight in the rear only made it worse for me. Gonna try a ton of negative camber next.
Originally Posted by Laguna Bozo
Weight in the rear, even though it might seem to retard oversteer at first, really just makes the breakaway more violent and last longer. The trick when you are at this level of tuning is to lose front traction little by little, so the front doesn't dig in and throw the back around. Too stiff diffs make this difficult. Of course this is for outdoor asphalt racing, and only my $.02
To fix the hooking when cornering problem, I've gone from stock setup to:

1. Lwb and 0 washer on the rear upper suspension link following Tony G's advise to reduce camber. Physical camber was about -3.5 to 4.



I also switched to TA03 ball diff built using Tony G's recipe: 3mm ceramic balls + Tamiya Anti-wear Grease.



This works immediately. Lap times are 10s-ish.

2. Next I switched to Mwb. I was able to add a 1mm washer to each link and still no hooking.

This is expected of shortening the rear wheelbase. Lap times are 9 to 10s-ish.

3. Then I switched back to Lwb and was able to add 2mm washers and still no hooking.



Lap times are low 9s-ish, with a hot lap of 8+s.

I'll be sticking to this setup. I feel the improved lap times despite adding back 2mm of washers also has a lot to do with getting used to the handling of the M05 and my driving style adapting to it. I find that my laps are faster when I throttle hard and aim for the next apex, brake late and hard, corner slow with a small turning radius and repeat. The TA03 ball helped in this style of driving by letting us get on the gas sooner and earlier 3/4 way into the corner.

Cheers,
Gab
Attached Thumbnails Tamiya mini cooper-0-washer.jpg   Tamiya mini cooper-2mm-washers.jpg   Tamiya mini cooper-ta03-ball-diff.jpg  
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Old 06-26-2017, 03:07 AM
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Default Mazda 2 Body Shell 239mm Lwb

Originally Posted by Schs2013
Has Tamiya released that new mazada body yet curious as to what its wheelbase is for the M chassis
Originally Posted by Markus
mazda 2? 239mm LWB
Originally Posted by Schs2013
I believe that's the one.
Yes, I'm running one! rcmart.com is selling it at 23.90 usd if i remember it correctly.
Attached Thumbnails Tamiya mini cooper-20170626_180110.jpg   Tamiya mini cooper-20170626_180150.jpg  
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Old 06-26-2017, 07:53 AM
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Thumbs up M07 Concept explained..

Here is an interesting read about why the M07 Concept is...

Looking forward to putting some laps down. has been a fun build so far.. very nice design and definitely next level when it comes to M-chassis.

https://tamiyablog.com/2017/06/tamiy...egawa-circuit/
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Old 06-26-2017, 03:07 PM
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Originally Posted by OSherman
Here is an interesting read about why the M07 Concept is...

Looking forward to putting some laps down. has been a fun build so far.. very nice design and definitely next level when it comes to M-chassis.

https://tamiyablog.com/2017/06/tamiy...egawa-circuit/
I'm only just started the build. - gearbox and front arms. Plastics are certainly much better. There are a few things that don't make sense, but we've come to expect that. One thing in particular is both the spur and counter gear use spacers. It's one of those things you'd expect to be compensated for in the basic design.

The only other quibble is the way the parts are bagged vs the instructions. Just built an Associated buggy last week and the parts were bagged exactly in the order you needed them, with nothing to be set aside for another step a few pages later.
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Old 06-26-2017, 03:49 PM
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A M-07 won the Norcal TCS.
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