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Joe Bo

New Releases for Nuremberg 2023 - Fiat 500 Abarth and Golf Mk2 GTI Rally

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Because no overhang front or rear, and fwd or rwd option, Tamiya can now discontinue the M05/6 chassis and pump these out with pretty much any m-chassis body they produce. It will be the TT chassis for smaller bodied 210/225/239mm 160mm width bodies. 

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3 hours ago, berman said:

Because no overhang front or rear, and fwd or rwd option, Tamiya can now discontinue the M05/6 chassis and pump these out with pretty much any m-chassis body they produce. It will be the TT chassis for smaller bodied 210/225/239mm 160mm width bodies. 

Sounds good to me. Love the M05 but the rear overhang of the M06 is not good for most rwd cars

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46 minutes ago, Busdriver said:

Sounds good to me

Yes indeed. The MB-01 sounds good to me too.

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So if a kit comes with the new MB-01 chassis, does that mean you have your choice whether to build it FWD or RWD or will it only come with appropriate parts to build one way?

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54 minutes ago, OnTheTrail said:

So if a kit comes with the new MB-01 chassis, does that mean you have your choice whether to build it FWD or RWD or will it only come with appropriate parts to build one way?

I’m hoping the former 🤞🏻

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2 hours ago, OnTheTrail said:

So if a kit comes with the new MB-01 chassis, does that mean you have your choice whether to build it FWD or RWD or will it only come with appropriate parts to build one way?

It looks like it uses the same parts, just in different configurations, so yes, you ought to be able to choose between RWD and FWD when you put it together. 

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Was just thinking that if you use the high motor position, maybe that’ll make room for the battery down one side (like xv02) might need a shorty on short wheelbases. Then that moves the battery out of the way to make it AWD. 
 

the battery looks like the main hinderance to going 4wd. 

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22 hours ago, Joe Bo said:

Anyone else notice the raised front? The front gearbox does have a lot of extra plastic and height to it.

From Tamiyablog's listing

Features 55mm diameter front tires and 60mm diameter rear tires to authentically recreate the stance of the actual car.

Previous versions had the same tyre all round.

I do note your concerns though as the M05 couldn't take all shells. 

As for 4WD, I think it will depend on whether there is the ability to add a shaft to the other side of the transmission and the ability to accept it at the second gearbox.

I don't think we are necessarily looking at an M-sized WT-01 as the chassis appears to have something like the M-08 arrangement for changing the wheelbase and the 'front' gearbox (looking at the RWD car) is keyed into that and won't necessarily accept a shaft. 

Starting with the premise of an RWD car, you might need another 'rear' gearbox that accepts a shaft input and a shaft to run from the transmission to it, however, will it key into the chassis?

We need a manual!

Of course, I have been wrong about the MB-01 before :ph34r:.

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On 2/4/2023 at 1:15 AM, Kowalski86 said:

Almost sounds like it'd make for a decent drifter in RWD form.

Yes.. It gives that impression ... It even has the option for high mounted motor!

 

On 2/4/2023 at 2:43 AM, TurnipJF said:

To me it looks very much like the TT of M-chassis, a mobile display platform for some nice bodyshells, but leaving a lot to be desired in terms of performance. However that is why I'd like to get one. I look forward to the challenge of turning it into a half-decent performer. 

I already have a ludicrously heavy steel-geared alloy-bodied servo which ought to offset the motor weight, and it looks like 50mm dampers will be a straight swap, as will the TT-02 hardened pivot balls for the kingpins. I bet Yeah Racing will have an alloy steering rack available for it before long, and probably a motor mount too. The ability to adjust rear toe without any extra parts is a nice plus.

TT-02 looks like a better design for performance or racing.  The TT-02 SRX seems decent.  It has an evenly balanced chassis which makes it suited for 4WD drive, whereas the MB-01 is 2WD.

For the MB-01 I'd rather have rear wishbones and uprights that offer fixed rear toe angle.   I'd avoid any possibility of rear bump-steer if I can.

 

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2 hours ago, Wheel_Nut said:

Yes.. It gives that impression ... It even has the option for high mounted motor!

 

TT-02 looks like a better design for performance or racing.  The TT-02 SRX seems decent.  It has an evenly balanced chassis which makes it suited for 4WD drive, whereas the MB-01 is 2WD.

For the MB-01 I'd rather have rear wishbones and uprights that offer fixed rear toe angle.   I'd avoid any possibility of rear bump-steer if I can.

 

I think it will take a lot of tuning for an MB-01 to keep up with a TT-02, even a standard one. However any sort of formal racing would put them in different classes, so it's doesn't really matter. For me, the challenge would be to get it to the point where it could challenge one of the other M chassis. 

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20 hours ago, TurnipJF said:

I think it will take a lot of tuning for an MB-01 to keep up with a TT-02, even a standard one. However any sort of formal racing would put them in different classes, so it's doesn't really matter. For me, the challenge would be to get it to the point where it could challenge one of the other M chassis. 

That seems a big challenge due to the front-to-rear weight distribution.   The MB-01 is sure to have less grip than a purpose designed FWD or RWD chassis.   I see the challenge in terms of maximizing performance, rather than competing against other M chassis.

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On 2/3/2023 at 8:09 PM, TurnipJF said:

It looks like it uses the same parts, just in different configurations, so yes, you ought to be able to choose between RWD and FWD when you put it together. 

This way when they sell you a FWD Mazda Miata kit you can turn it around and run it properly. :D 

 

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Maybe the MB-02 will be a similar setup but with the motor outside the wheelbase, so weight distribution is better for performance.

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Mikanews on Youtube have a very nice presentation of the MB-01 chassis and in that video (@ approx. 5.53min in the video) small glimpse of the manual covering wheelbase and diff:

 

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The more info I get on this the more interesting it becomes. My mind tells me I should wait for a MB-01SR version with some shiny blue bits and oil dampers included from the start but I probably get one of these as soon as they become available  :D

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On 2/6/2023 at 12:34 AM, TurnipJF said:

For me, the challenge would be to get it to the point where it could challenge one of the other M chassis. 

Given the crazy number of setups for the MB-01 I think that it should have its own spec-class, no hop ups beyond bearings and CVAs. It'd be a good way to show off how much variety you can get from just one chassis.

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That makes sense!  When they said flip the final gear, I was thinking that flipping the diff won't do anything. :D If you flip the bevel gear to the other side of the input shaft, that would change rotation direction.  Flipping it as a whole module is kinda cool.  After watching the video and the part where they show the S/M/L setup, I wonder if the servo link is so long because they use the same one for the long wheelbase setup, but re-arrange the servo a bit to make it work.  It is only the undriven end that moves to adjust the wheelbase.  In FWD, the distance to the servo never changes for S/M/L, so no different liks needed.  In RWD, the distance changes, but if they turn the servo around it accounts for it. I don't know what they do for the middle wheelbase.   It really seems like they built the kit to be setup in all the configurations without any(or very few) leftover bits.  One kit to rule them all, as it were...

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That diff arrangement is exactly what I was hoping for. Nicely done, Tamiya!

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12 minutes ago, Busdriver said:

Is the Fiat body 209mm or 225mm ?

209

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On 2/4/2023 at 10:02 AM, Busdriver said:

Sounds good to me. Love the M05 but the rear overhang of the M06 is not good for most rwd cars

Yes. Sometimes seeing the motor sticking out the bum of some of the bodies bothers me, especially when its the bright silver uncoated slivercan 😄

I may consider picking up one or two extra M06 chassis' if Tamiya decide to discontinue them. I haven't acquired a VW bus yet and I'd like one of those, and being RR would be preferable.

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1 hour ago, berman said:

Yes. Sometimes seeing the motor sticking out the bum of some of the bodies bothers me, especially when its the bright silver uncoated slivercan 😄

I may consider picking up one or two extra M06 chassis' if Tamiya decide to discontinue them. I haven't acquired a VW bus yet and I'd like one of those, and being RR would be preferable.

Yes VW’s are only the real ones that work. The M06 under a mk11 Escort body just looks wrong

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It looks like it is setup for eventual 4wd.  There is a molded shape/space for a driveshaft at both ends.  So if a driveshaft goes through the middle, in some fashion the battery would go off to the side?

 

4wd.thumb.jpeg.aeaa77a9fb3cd0269ce378dabe350ced.jpeg

 

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