Kyosho Ultima RZ6
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#1
Introducing the RZ6 Conversion Set based on the ULTIMA RB6 prototype driven by Team Kyosho International's Jared Tebo (USA) for the TQ at the IFMAR Electric Off-Road World Championship held in October 2015 at Yatabe Arena, Ibaragi Japan.
The RZ6 Conversion Set incorporates the rear section of the Lazer ZX6 and the front the RB6. With its low center of gravity and concentrated mass balance, the RZ6 delivers improved performance over surface gaps and prevents high-side. In addition, the change of the drive system from gear down to the more linear shaft drive system produces a level of controll never felt before.
Please note when purchasing that this product is a conversion set that uses parts of the ULTIMA RB6 (No.34301, or No.30068) and is not a complete kit.
Conversion Set includes main chassis, side guard set, universal swing shafts, center shaft, gear parts and a new special RZ6 body.
Shaft drive delivers a throttle response with direct feel for more delicate machine control and improved jumping posture.
Technical Data
Length 388mm
Width 248mm
Height 140mm
Wheelbase 295mm
Tread (F/R) 221mm / 201mm
Gear Ratio 2.50:1 (secondary reduction gear ratio), Spur 78T/ pinion gear sold separately
The RZ6 Conversion Set incorporates the rear section of the Lazer ZX6 and the front the RB6. With its low center of gravity and concentrated mass balance, the RZ6 delivers improved performance over surface gaps and prevents high-side. In addition, the change of the drive system from gear down to the more linear shaft drive system produces a level of controll never felt before.
Please note when purchasing that this product is a conversion set that uses parts of the ULTIMA RB6 (No.34301, or No.30068) and is not a complete kit.
Conversion Set includes main chassis, side guard set, universal swing shafts, center shaft, gear parts and a new special RZ6 body.
Shaft drive delivers a throttle response with direct feel for more delicate machine control and improved jumping posture.
Technical Data
Length 388mm
Width 248mm
Height 140mm
Wheelbase 295mm
Tread (F/R) 221mm / 201mm
Gear Ratio 2.50:1 (secondary reduction gear ratio), Spur 78T/ pinion gear sold separately
Last edited by Kraig; 06-17-2016 at 07:04 AM.
#2
Tech Regular
iTrader: (1)
Actually this weekend was a huge improvement. I lightened up the rear shock oil and moved the esc to behind the motor (super clean). It was very smooth and easy to drive. I would like to try the ball diff and some pink or white rear springs. They are currently gold.
Last edited by Kraig; 06-17-2016 at 07:04 AM.
#9
I built the gear diff without the bearing modification (others have mentioned this mod) and tried it for one run. I probably had the wrong weight of oil in it and didn't like how it felt. So I built up a ball diff and I have been using that. I will probably try the gear diff again but I plan on using/trying something other than 5k.
#11
My RZ6 was pretty good last night. I will get the setup posted later today. I just came in to do some other things, i.e. make sure nobody was causing trouble.
I will say this though. With my RB6 it wasn't reactive like my sons RB6. So I am trying to figure out what the problem is because I really believe that is holding my RZ6 back right now. Maybe you guys and girls can see something on the setup sheet I am missing or did wrong.
Stay tuned!
I will say this though. With my RB6 it wasn't reactive like my sons RB6. So I am trying to figure out what the problem is because I really believe that is holding my RZ6 back right now. Maybe you guys and girls can see something on the setup sheet I am missing or did wrong.
Stay tuned!
#13
I run on medium grip carpet. On the more open fast layouts we put down, the car is insane, soooo good, but, the tighter tracks with sharp 180 hairpins, she pushes off power terrible.
Im trying a shorter wheelbase next week, moving the hub 2mm forward. I will say flip your rack though, and get at least 20g under the steering bellcranks, that REALLY helps.
Ive a few things to try with advice from the UK team guys, so im eager to get the balance right, as like you, lots of rear end, just need the front to start gripping a little better, but its a fantastic car, on power corner speed is just spot on.
Also, try going one hole out on your rear tower.
lee
#14
Thanks!
I went back and read my radio manual again and found some options in it that I did not know existed. So I am going to try that before I start changing things on the car. The only reason why I am trying the radio is that right now, on the front, that is the only thing that is different between our two cars.
As for the rear shocks, I had to move them to the back of the arm to help with the rear grip. Once I did that I had the rear just the way I wanted it to feel.
So next trip to the track I am going after;
Radio changes
Steering rack change
Weight on front end
Playing with the rear hub spacing to see what that will do.
I went back and read my radio manual again and found some options in it that I did not know existed. So I am going to try that before I start changing things on the car. The only reason why I am trying the radio is that right now, on the front, that is the only thing that is different between our two cars.
As for the rear shocks, I had to move them to the back of the arm to help with the rear grip. Once I did that I had the rear just the way I wanted it to feel.
So next trip to the track I am going after;
Radio changes
Steering rack change
Weight on front end
Playing with the rear hub spacing to see what that will do.
#15
I moved the shocks, because it was easier to do at the track. Maybe my next step will be to move the speed control behind the motor like you suggested but I need to get the front to feel like I want it to feel.