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Old 2008.12.14, 09:22 PM   #1
color01
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color0's MRCG1.1

Just in time for the kits to arrive in the Shop (as well as Christmas-season Z racing!), I took some of the production aluminum parts and slapped them onto my car. Granted, there isn't alot of aluminum on the chassis to show off -- that's why it's so darn light -- but there's enough to give everyone a preview of the production car.





^ I haven't installed the production rear pod bulkheads yet (need to pick up some ride height adjusters! lol...) but here's the most intricate part, the motor mount:




And to keep up to date setup-wise, I bought a 2007 Super GT 350Z shell and mounted it up to the chassis.





I opted to stretch it out to a 98mm wheelbase as the MRCG has a better weight distribution in 98mm config. I left most of the rear diffuser on as well (just shaved off the bottoms of the fins) for a bit more weight at the rear. The car is still just 172g -- very light -- so keeping a bit of weight in the tail end will help with traction when I go to Inside Line and Fast Pace Racing. Wheels are PN, 1N/2W, and tires are Kyosho 30d radials and 20d radials.


As I had heard from arch2b, this shell takes some work to fit, so I documented some of the important bits. The 2007 SGT 350Z has some very strange new side clips that interfere with the MRCG's flex plates, so the solution is to simply cut away the excess plastic on those clips until they look like "regular" Mini-Z side clips. And then cut off the excess plastic at the end of the clips to make them MRCG-compatible. (As you can see in the previous pictures, this little modification is undetectable from outside. So if you were worried about modifying a pristine Autoscale to mount on your MRCG, worry no more. )



When you glue the clips on, leave a 1mm gap between the clip and the stopping notch on the shell (in other words, lower the clips 1mm from Kyosho specs). This 350Z sits strangely low in the rear so we need to raise it back up.

Then dremel some more plastic off the insides and you'll have enough clearance for the MRCG's suspension system.




That's all for now, I'll be testing and racing some more this week!
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Old 2008.12.14, 09:32 PM   #2
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damn, nice looking mrcg! good tips for the body clips too you made it look very easy

when will pn have the metal parts? i'd like to upgrade mine at some point but i guess i should get the steering together and working first.
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Old 2008.12.15, 06:35 AM   #3
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Nice Brian, very nice. The alloy parts are a nice touch, do you know if they will be available separately? If not, I may just have to purchase MRCG number 2
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Old 2008.12.17, 01:21 AM   #4
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I'm not sure if they will be available separately but I definitely have some. We'll see.

Anyways, I went to ILR today to conduct some proper testing. First thing to do was to finish replacing my old prototype parts with production aluminum ones. These rear pod bulkheads go together with Atomic's ride height adjusters (included in every kit).



Looks much more professional now; if not for the treaded rubber tires you could almost mistake this for a 12th-scale pan car. These are the exact production parts, so for those of you who preordered, I hope you enjoy the view because your MRCG's will look like this when built.



The best part is that the new additions really improved the feel of the car! Thanks to the new 350Z shell there's a bit more weight in the rear end and very good traction (despite near-freezing temperatures at the track). Plus, the stiffness of all the aluminum parts (vs. my Delrin prototypes) makes the entire car feel more buttoned-down and responsive. Almost too responsive, actually -- I was turning in too early for the first 10 laps!

Once I got the hang of it I put down some pretty fast laps. I had turned down my throttle on the Anima II for practice so I got easily smoked on the straights, but I was definitely one of the fastest cars in the infield. I felt some tire chatter in the sweeper going into the first chicane (didn't glue my tires...) but everywhere else it was great, very smooth and quick despite not having the torque to accelerate out of corners. I also need to get my hands on the new USA handout motor Binh was talking about. They looked very powerful, maybe as powerful as my custom handwound motor. I haven't used that one in ages, but I'll try it again tomorrow.

Lastly I ought to mention that despite the longtail 350Z body, the MRCG is still extremely quick through chicanes and transitions. There are 3 sets of chicanes in ILR's current layout, and it puts a nice little grin on my face every time I drive through one of them, because the car is just that nimble.
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Last edited by color01; 2008.12.17 at 02:04 AM.
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Old 2008.12.17, 04:50 AM   #5
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Originally Posted by color01 View Post
These are the exact production parts, so for those of you who preordered, I hope you enjoy the view because your MRCG's will look like this when built.
I hope not Brian. I like my new car to be assembled without the dirt.

Last edited by color01; 2008.12.17 at 03:20 PM.
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Old 2008.12.17, 03:23 PM   #6
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lol... Ok, you got me.

Are you coming to ILR today? I'm going to finish off my current set of rear K20 radials and try out the new PN 6 radials.
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