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Old 08-21-2005, 08:00 PM   #1021
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Quote:
Originally Posted by Rod M
what is the difference between the TZ and RZ Tamiya ?
most significant..
TZ = stand up brush
RZ = Laydown brush
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Old 08-21-2005, 08:16 PM   #1022
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Just got a new motor, Orion SV2 23x2T 25000rpm. Was this high rpm or high torque? start with 5.5 or something else?
I tried it this weekend, best gear ration is about 5.3. However the motor doesn't have any topend rpm, the losend/mid torque is good but topend..... is there topend at all? I guess the problem is because the timing, "competition" stock motor usually come with about 20' timing preinstalled, SV2 is 0' timing. However, race rule prohibit timing adjustment, so.. this motor is no good for me to join race.
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Old 08-22-2005, 12:31 AM   #1023
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Runninng a trqack with the 27t stock motors are approx 28mm rollout, what sort of rollout should I use for a Tamiya 23 turn?
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Old 08-23-2005, 04:05 AM   #1024
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Quote:
Originally Posted by Rod M
what is the difference between the TZ and RZ Tamiya ?
Got these from the box ...

Tamiya TZ specs:
RPM at no load = 26,500rpm(7.2V)
Torque at best efficiency = 500gf-cm(7.2V)

Tamiya RZ specs:
RPM at no load = 27,500rpm(7.2V)
Torque at best efficiency = 500gf-cm(7.2V)
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Old 08-23-2005, 04:21 AM   #1025
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Quote:
Originally Posted by ford_racing
Runninng a trqack with the 27t stock motors are approx 28mm rollout, what sort of rollout should I use for a Tamiya 23 turn?
Go for the same rollout like the one for the 27t Stock.
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Old 08-23-2005, 04:38 AM   #1026
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A 23 turn can pull a much higher rollout than the stocker, try 3-5mm higher rollout.
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Old 08-24-2005, 12:30 AM   #1027
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thank you all
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Old 08-24-2005, 10:20 AM   #1028
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When you say you're gearing at 5.5 what does that mean? I'll assume it's a calculation for Rubber Tire cars but I know nothing about Rubber Tires at all. I run foams and always go by rollout in mm or inches. So when I talk about a Monster Stock I run around 1" total rollout and/or 25.4mm's. How would I convert 5.5 into xxxmm's of rollout?

Thanks!
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Old 08-25-2005, 06:24 AM   #1029
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Quote:
Originally Posted by Nitro-Boy
When you say you're gearing at 5.5 what does that mean? I'll assume it's a calculation for Rubber Tire cars but I know nothing about Rubber Tires at all. I run foams and always go by rollout in mm or inches. So when I talk about a Monster Stock I run around 1" total rollout and/or 25.4mm's. How would I convert 5.5 into xxxmm's of rollout?

Thanks!
a rubber tire's diameter is about 64mm
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Old 08-25-2005, 09:58 AM   #1030
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Thanks alana!

So if I'm doing this right then this conversion should get me to the equal rollout:

Rubber:
2.5 Gear
96 Spur
43 Pinion
Tire 64mm
Gear Ratio 5.58
Rollout 36.02mm

Foam:
2.5 Gear
96 Spur
48 Pinion
Tire 58mm
Gear Ratio 5.00
Rollout 36.44mm

Are you guys really running 36+mm of Rollout w/23-Turns?
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Old 08-29-2005, 05:03 AM   #1031
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Can anyone verify this is correct?

Thanks!
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Old 08-30-2005, 01:02 AM   #1032
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sometimes i run a rollout in the 35+

it works well i had plenty down the straight and kept up through the infield
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Old 09-04-2005, 10:22 PM   #1033
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what sort of Spring/brush combo is best for the Tamiya RZ?
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Old 09-04-2005, 10:27 PM   #1034
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Yeah, I gear mine pretty similar to a reedy quad mag..... They can pull a pretty tall gear.

-Korey
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Old 01-05-2006, 06:37 PM   #1035
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Quote:
Originally Posted by loopedeloop
Hi Guys

We run my #1 son's car at 6.08 fdr ( kawada vx-r) rollout approx 32mm on hpi sprint on a fairly open asphalt track ,straight about 60mtr long with easy infield, maybe 130 mtr total length.I'm guessing as it is a carpark track and slightly different every week .This motor runs a bit hot and has less runtime than #2 son
We also run #2 sons car at 6.11 ,(kawada vx-r) in an xpress jnr with same approx rollout 32mm.It isnt as hot after 5min run.
(Both of these cars are capable of comparable times as others running in our 12t class).

It is when we change to either yokomo t-max LT or LR motor( we have both) that the heat difference becomes noticeable.

I have noticed that both yoko's use laydown and the kawada standup brushes. Maybe that has something to do with it or maybe the ceramic bushes in the yoko are tighter and take more running in?Or does the yoko just prefer to rev higher?.

Anyways thanks for your replies and keep up this informative thread.
Hello sir, just happen to be trying a freinds 23T motor. its a Kawada VX-R 23T, just want to know its characteristic, i mean is it a RPM or torque motor? The local race track is something like 116ft x 96ft total size, having sweeping runs and technical layout. Hope you can help me with some information so i can gear the motor correctly. tnx sir

Last edited by curious mind; 01-06-2006 at 01:33 AM.
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