What are the (stock) fast or slow, silent or loud Tamiya chassis?

[Mechanic AH]

Been thinking about this lately. Need some input and thoughts: on-road and off-road chassis that are naturally fast or slow (stock setup). And also, gearboxes/drivetrains that are relatively silent or loud.

I was looking at my list of Tamiya RC related to-do things and one is to build this M-02 chassis I have. On the options list, it recommends an Acto Touring Special Motor (15T double wind). And I was just thinking if it's a tad fast for this little chassis since the Acto is a 29K rpm motor. Or is this chassis stock gear setup slow that the motor suits it well? I didn't look at the gear ratio but just thought about it. Then...

I saw a video comparing the performance between a rally XV-01 vs TT-02. Stock, the XV-01 was quicker and quiet compared to the TT-02. And I didn't like how the TT-02 sounded, I don't mind when it's loud but at least it has to sound nice.

I'm also about to finish a Blitzer Beetle, and when I've watched some videos with runs (various motors/battery setup), it seems like it's an inherently quick chassis/gearbox. Am I correct on this? 

Of course I'm interested in the Escort MKII (MF-01X) and it comes with a Torque Tuned motor so I wonder is it a decently quick chassis or purposefully slower and designed for rough terrain where torque is primarily needed?

Before I even look at gear ratios on various Tamiyas (that would be a daunting task) for those who have a fair number of different chassis, do you notice these things and do you recall (stock setup) what on-road and off-road chassis (plural) are: 

1. inherently fast

2. surprisingly slower

3. smooth and quiet

4. unrefined and loud

Thanks!

[Saito2]

I can usually identify the Tamiyas, Kyoshos and RC10s I run by sound alone if I was blindfolded. I run vintage designs. Here's some random observations:

The re-re Scorpion is very quiet and appears fairly efficient.

I estimate the Fox is pretty efficient. It was inherently fast out of the box (MRC/Tamiya touted this BITD). The Fox isn't overly light and basic like a Hornet but still quite quick.

While not silent, the Hornet/Lunch Box rear is basic, durable and quick.

Clods make a good bit of noise due in part to the dual drivetrains but the gearboxes spin freely, like a Hornet's

I don't find ORV drivetrains overly efficient. There's quite a bit of play in the counter gear mounts. Some of the drag is down to the extreme angle of the half shafts.

Madcaps are pretty quiet, smooth and quick. Finer gear pitch then the older, chunkier gears.

Kyosho Car Crushers are somewhat noisy and the gearboxes often have tight spots. Doesn't seem to affect their durability though

Original RC10 6 gears can be a mess out of the box. There's an art to setting them up. A lot of tooth polishing and dealing with the occasional egg-shaped gear.

Hot Shot series cars are noisy but the poor quality of the gears in the re-re T-shot cars makes them sound worse

 

 

[davidwj95]

I'm always surprised how quiet and smooth my Brat is.  It's almost silent at lower speeds.  I've just had the gearbox apart to swap to the lowest ratio so hoping it's still quiet next time I use it.

[Fabia130vRS]

9 hours ago, Mechanic AH said:

Been thinking about this lately. Need some input and thoughts: on-road and off-road chassis that are naturally fast or slow (stock setup). And also, gearboxes/drivetrains that are relatively silent or loud.

I was looking at my list of Tamiya RC related to-do things and one is to build this M-02 chassis I have. On the options list, it recommends an Acto Touring Special Motor (15T double wind). And I was just thinking if it's a tad fast for this little chassis since the Acto is a 29K rpm motor. Or is this chassis stock gear setup slow that the motor suits it well? I didn't look at the gear ratio but just thought about it. Then...

I saw a video comparing the performance between a rally XV-01 vs TT-02. Stock, the XV-01 was quicker and quiet compared to the TT-02. And I didn't like how the TT-02 sounded, I don't mind when it's loud but at least it has to sound nice.

I'm also about to finish a Blitzer Beetle, and when I've watched some videos with runs (various motors/battery setup), it seems like it's an inherently quick chassis/gearbox. Am I correct on this? 

Of course I'm interested in the Escort MKII (MF-01X) and it comes with a Torque Tuned motor so I wonder is it a decently quick chassis or purposefully slower and designed for rough terrain where torque is primarily needed?

Before I even look at gear ratios on various Tamiyas (that would be a daunting task) for those who have a fair number of different chassis, do you notice these things and do you recall (stock setup) what on-road and off-road chassis (plural) are: 

1. inherently fast

2. surprisingly slower

3. smooth and quiet

4. unrefined and loud

Thanks!

I have in my M02 a 13T brushed motor and a 18T pinion. the car struggles at low rpm but gains sort of top speed.

this 13T Motor needs more a 16T pinion.

otherwise I run a M05ver2 on 2s lipo and a 10Tburshless, final FDR is 4.99, the car is riping asphalt, going peak 67kmh, with speed gears.

the m05 like to eat his gearbox in such a setup but its fast.

tp me cars that have a lot of adjustability in diff pinions and motor pinions are always faster models.

[Busdriver]

XV01 with a 13.5t brushless set up whispers!

[mud4fun]

Our Avante2001 and Egress are both inherently quick AND quiet.

The vintage thundershots are nearly as quick but not so quiet 

The re-re Terra Scorcher was quite noisy at first but now sorted (poor quality parts)

My King Blackfoot is my most unrefined and noisy albeit very fast (for a truck) with its 14T motor and 8.4v but does sound like a jet engine on the point of exploding

Honours for slowest go to my SRB which is both noisy (in a whiney way) and slow, even when running a hot motor it is still slow because handling is so bad that you virtually have to stop to go around a corner to avoid a roll. 

 

[87lc2]

I don't own nearly as many different Tamiya chassis as most here, but a few that stick out to me:

Clods are loud.  No way around it, two brushed motors and big 32p gears are going to make some noise.

TA01/02 I also find noisy and geared for speed.  This is most prevalent in the M1025 Hummer, way too fast with a stock 27t silver can.  Nice for touring cars and the TA02T though.

CR-01 is geared incredibly low, and this is a good thing.  Love the planetary transmission in this truck.

TXT-1/TXT-2 I actually find fairly quiet for what they are (at least when compared to a Clod).  

 

[No Slack]

Strange. My TA01 is my quietest chassis. Maybe the special drive shaft makes the difference. The "coat hanger" caused a lot of noise if I remember well.

I once had a LRP Blast touring car chassis, that was loud! Because of alle the metal gears it rattled along the track. The Dodge Viper body I used on that chassis completed the "picture". Somehow I liked the noise of this chassis.

[87lc2]

1 minute ago, No Slack said:

Strange. My TA01 is my quietest chassis. Maybe the special drive shaft makes the difference. The "coat hanger" caused a lot of noise if I remember well.

That's good to hear.  Mine all have the upgraded Manta Ray shaft (or aftermarket aluminum), it seems the rear gearbox (pinion/spur mesh) always gets a bit noisy for me.  Love the chassis either way.  I've never had an on-road TA chassis, all of mine are trucks so maybe the abuse they take off-road has an effect.

[Mechanic AH]

Just got back to this thread. Thanks for the responses! 

On 12/30/2020 at 7:02 PM, Saito2 said:

Original RC10 6 gears can be a mess out of the box

I know it's not Tamiya related but do you know if the re-re 6001 gears have been resolved? Still have to build mine.

On 12/30/2020 at 7:02 PM, Saito2 said:

Hot Shot series cars are noisy but the poor quality of the gears in the re-re T-shot cars makes them sound worse

I do recall bitd that the Hot Shot was noisy!

On 12/31/2020 at 4:13 AM, Fabia130vRS said:

I have in my M02 a 13T brushed motor and a 18T pinion. the car struggles at low rpm but gains sort of top speed.

Ah so it sounds like the M02 gets a slow start, probably slow. I wonder how it is with just a plain silver can.

On 12/31/2020 at 4:51 AM, mud4fun said:

Honours for slowest go to my SRB which is both noisy (in a whiney way) and slow

That's surprising. I don't have one or any experience. Thinking about some of the metal parts made me thing that it's smooth like Kyoshos/re-res. I'll probably hold off on an SRB for a while.

Still working on the Blitzer Beetle and once I put wheels/tires on the gearbox seems really loud.

 

[Saito2]

5 hours ago, Mechanic AH said:

I know it's not Tamiya related but do you know if the re-re 6001 gears have been resolved? Still have to build mine.

I got my RC10 Classic slightly used on Ebay, but went through it anyway. The transmission seems a lot better from what I remember from BITD and had strengthened idlers IIRC. The Stealth trans in the re-re Worlds car supposedly had issues though.