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-   -   Tamiya TT02 Thread (https://www.rctech.net/forum/electric-road/700357-tamiya-tt02-thread.html)

Djchow85 02-25-2014 02:08 PM

i think from stock it's always going to be uneven? Is is still not straight even after altering the trim? I upgraded to the adjustable tie rod.. seems to require less trim ..

Djchow85 02-25-2014 02:09 PM

Anyone have tips on reducing the tt02 to nose dive off jumps? Though im guessing the weight balance of the car is not made for off road jumps... maybe have to play raising the back more..

Qatmix 02-25-2014 03:25 PM

The stock car goes in a straight line, check your electrics. I have built 3 and all are fine, and go where you point them. The stock servo saver is not great, I would replace it with a 18mm servo saver from X-ray if you will get large knocks. Also don't put the foam under the servo horn as that can bind against the horn and if the servo is weak potentially stop it from centering.

Also check the steering assembly is not over-tightened it should move freely when no servo is attached under its own weight.

As to jumping it, not a lot you can do to change the balance, although if you keep on the throttle it will help keep the nose up when in the air.

Djchow85 02-25-2014 03:53 PM

just read about the accel for jumps. thanks!

I always wondered the purpose of the foam under the horn (maybe to prevent debris from laying under there)... i will check that out too!

ic-racer 02-26-2014 04:38 AM


Originally Posted by Qatmix (Post 13042848)
The stock car goes in a straight line, check your electrics. I have built 3 and all are fine, and go where you point them.

Thanks for the reply. My TT01 is great also, so I'll go back over the TT02 looking for problem areas. It is basically acting like the servo saver is still bad but I have a metal TRF servo saver on it.

bigfatslob 02-26-2014 05:32 AM

So similar to the TT01, I guess Tamiya felt the need to freshen up its entry level chassis. I suspect that soon it will have comparable levels of bling available. Nice Ferrari body but, I've also seen it with a Zakspeed Capri body ! http://www.sussex-model-centre.co.uk...peed-Capri.jpg http://www.majhost.com/gallery/bigfatslob/cars/1.jpg

CapTob 02-26-2014 05:50 AM


Originally Posted by ic-racer (Post 13042359)
Starting to get a little frustrated with the TT02 I'm setting up for my 8-year old. The problem is we are making this a waterproof rain car because we have so many cars (mostly Tamiya) that we wanted to try something different.

I replaced the stock servo saver and thought that would cure the car's tendency to not go straight.

But, I had the car out yesterday in the driveway testing it for my son and it still veers off course unexpectedly.

The problem is I want to KEEP the nylon and plastic parts! Maybe I'm asking for the impossible. I'll update if I can find some solutions. Maybe ball bearings that are really sealed from water. Or what about ceramic? Are they waterproof?

Hi,

I had the same problem on my Lancia Delta TT-02. Fixed it doing the following:

1) Reduce steering servo course. (from 100% to 66% in my case)

2) Put a 3mm piece of well greased sillicone hose between the dog bone and the shaft of each wheel to reduce slop.

3) Enjoy !

I'm not allowed to put URLs cause I'm new here, otherwise I would have shown you pics of my TT-02 Lancia Delta tweaks.

Tamiya's TT-02 is a great car. I mounted a Brushless Neon Combo 17T on it which gives me a lot of fun on and off-road (I bought two sets of tires, one for each surface)

I'm planning to buy the HPI BMW 2002 shell. Will it fit the TT-02? Any adjustments needed? Special Rims? How much offset?

Thx in advance.

addicted2blue 02-26-2014 06:04 AM


Originally Posted by CapTob (Post 13044572)
Hi,

I had the same problem on my Lancia Delta TT-02. Fixed it doing the following:

1) Reduce steering servo course. (from 100% to 66% in my case)

2) Put a 3mm piece of well greased sillicone hose between the dog bone and the shaft of each wheel to reduce slop.

3) Enjoy !

I'm not allowed to put URLs cause I'm new here, otherwise I would have shown you pics of my TT-02 Lancia Delta tweaks.

Tamiya's TT-02 is a great car. I mounted a Brushless Neon Combo 17T on it which gives me a lot of fun on and off-road (I bought two sets of tires, one for each surface)

I'm planning to buy the HPI BMW 2002 shell. Will it fit the TT-02? Any adjustments needed? Special Rims? How much offset?

Thx in advance.

The HPI bmw2002 won't fit the TT-02 chassis, cause it's for an m-chassis and the wheelbase is only 210 or 225mm and that's to short for a TT-02. Plus it will be to narrow to.

CapTob 02-26-2014 10:09 AM


Originally Posted by addicted2blue (Post 13044608)
The HPI bmw2002 won't fit the TT-02 chassis, cause it's for an m-chassis and the wheelbase is only 210 or 225mm and that's to short for a TT-02. Plus it will be to narrow to.

Ok, fine. I'll never get this size thing. Would the Hpi DeTomaso fit then?

Djchow85 02-26-2014 01:21 PM

the wheelbase is the distance between the front and rear wheel? It's explained in the instructions?

The TT02 can be adjusted from 251-257mm... do you know the wheelbase of the DeTomaso? And even so, what's the width?

I put on a 180sx body (for drifting later) which had a wheelbase of 260mm... it fits.. but its a wider body so its a bit awkward looking...

CapTob 02-26-2014 02:01 PM


Originally Posted by Djchow85 (Post 13045897)
the wheelbase is the distance between the front and rear wheel? It's explained in the instructions?

The TT02 can be adjusted from 251-257mm... do you know the wheelbase of the DeTomaso? And even so, what's the width?

I put on a 180sx body (for drifting later) which had a wheelbase of 260mm... it fits.. but its a wider body so its a bit awkward looking...

DeTomaso Pantera's sizes AV.200mm/AR.210mm/EMP.255mm (front, rear, wheelbase)

TT-02 is 257mm, the 2mm difference won't be a problem right?

Edit: Found a website telling me to put 0mm offset in the front and 6mm in the rear...

Djchow85 02-26-2014 06:07 PM

Yeah it fit ok. Im waiting for my te37's to add to it.

Has anyone taken their tt02r to an off road track? Do you feel the rally tyres are sufficient or are lacking? Im wondering if anyone knows of any alternatives

CapTob 02-26-2014 09:43 PM


Originally Posted by Djchow85 (Post 13046659)
Yeah it fit ok. Im waiting for my te37's to add to it.

Has anyone taken their tt02r to an off road track? Do you feel the rally tyres are sufficient or are lacking? Im wondering if anyone knows of any alternatives

I ran in a forest on wet ground with leafs. Rally tyres were at the limit of their potential, hard to keep on the small paths you can find in a forest. I mostly run on snow, it's just absolute fun.

I recently bought the Kyosho DRX TRT21 tyres, I'll try them out soon and give a feedback.

Any good advice for tyres, I mean generally?

Djchow85 02-27-2014 12:24 PM

banzaihobbys has quite a range. Just don't know what's good

Djchow85 02-28-2014 07:03 PM

For the TT02R owners, has anyone used these?

http://www.ebay.com/itm/Kyosho-OEM-R...item51ab7934ba

Wondeirng how they compare to the tamiya rally block tyres for off road racing?

Also has anyone also used the generic rally tires from chinese sellers on ebay such as ...

http://www.ebay.com/itm/4PCS-Rubber-...item27d6184052

Djchow85 03-03-2014 01:59 PM

i ordered some speed mind soft rally block tyres from dinball/rcmart. Will post back with a review

Qatmix 03-09-2014 04:25 AM

Hi Guys,

I'm in the middle of making a very tuned TT02 with some custom parts. I also managed to try out the new steering step screw hop-ups.

http://www.thercracer.com/2014/03/ta...tion-step.html

They are not as awesome as the steering set, but they are so cheap they act as a good upgrade if you do not want to spend the cash on the aluminium steering set-up.

shaftboy 03-09-2014 04:48 AM

that looks good. I think I will add them on my list of new parts to upgrade my car.

Also I have been running the TT02 against some friends. I will be racing it soon at a local onroad club. The car has the kit motor, should I leave that in and get used to the track or should I buy a new motor? I did use to race but that was a long time ago.

ic-racer 03-10-2014 05:55 PM


Originally Posted by ic-racer (Post 13044425)
Thanks for the reply. My TT01 is great also, so I'll go back over the TT02 looking for problem areas. It is basically acting like the servo saver is still bad but I have a metal TRF servo saver on it.

Found the problem. When building the TT02 I thought I'd take the play out of the steering by over tightening the plastic balls; squeezing them to make them expand. This was a bad idea because it caused binding in the steering. All is good now that I have loosened it up.

We had it out in melting snow and had a great time with it. It has a waterproof Traxxas servo, and waterproof XL5 speed controller and waterproof Traxxas radio box. I just washed the car off under running water when we were done for the day.

Djchow85 03-10-2014 11:07 PM

is anyone still using the stock servo? I'm having no issues with it.. or maybe there could be a lot more potential with the high torque servo saver which I tried to setup but failed.

Im using the yeahracing adjustable tie rod and my trim now is at 4 points to the right out of 30 (used to be about 20 with the stock part!)

ic-racer 03-19-2014 03:51 PM


Originally Posted by ic-racer (Post 13084751)

We had it out in melting snow and had a great time with it. It has a waterproof Traxxas servo, and waterproof XL5 speed controller and waterproof Traxxas radio box. I just washed the car off under running water when we were done for the day.

Had the car out in rain today for the first time. The traction (driveway track) was actually very good with the stock treaded tires. I was not expecting this. I suspect it is from the rain washing all the dirt off the driveway.

visuvius 03-23-2014 10:45 AM

Im using the high speed gear set with the optional 64T spur gear and 29T pinion. This puts me at 5.74. Is there any way to go lower? Is there a smaller spur gear I can use or a 06 module 35/35T pinion set? I can't seem to find anything like this. Basically whats the easiest way to get my FDR lower. Secondly, would a silver can on a medium sized track handle an FDR in the 4's?

addicted2blue 03-23-2014 11:47 AM

You could use some 64pitch spurs and pinions, i'm able to use a 90T spur with a 50T pinion on this chassis.
That will give you a FDR 4.68, As long as you have the right spurs&pinions you can go even lower then 4.68.

Qatmix 03-23-2014 04:16 PM

http://www.thercracer.com/2013/07/ho...inky-with.html

FDR of 4.35 above

If you get the TT02 adjustable motor mount then maybe lower ones are available.

visuvius 03-23-2014 06:33 PM

Okay so I can use any 64 pitch spur gear with the high speed gear set? I thought maybe were limited to a couple 04 module Tamiya gears.

Qatmix 03-23-2014 11:59 PM


Originally Posted by visuvius (Post 13123874)
Okay so I can use any 64 pitch spur gear with the high speed gear set? I thought maybe were limited to a couple 04 module Tamiya gears.

You can use any make / pitch as long as it has the cross fitting holes. (Most cars have these other than X-rays)

Djchow85 03-24-2014 01:04 AM

1 Attachment(s)
Will test these rally tyres soon.

Kyosho rallies and speed mind rallies soft compound. :D

visuvius 03-24-2014 10:31 AM


Originally Posted by Qatmix (Post 13124521)
You can use any make / pitch as long as it has the cross fitting holes. (Most cars have these other than X-rays)

Okay thanks. Then I guess the real question is can a silver can handle it on the TA track. I'm running temps of about 160-170 after an 8 minute run geared at 5.74. I'm hoping I can pull off something in the 4's.

Qatmix 03-24-2014 03:52 PM


Originally Posted by visuvius (Post 13125798)
Okay thanks. Then I guess the real question is can a silver can handle it on the TA track. I'm running temps of about 160-170 after an 8 minute run geared at 5.74. I'm hoping I can pull off something in the 4's.

You can only try :)

Although with those temps I would look at getting a metal motor mount, the plastic could warp. Look for the Yeah racing TT02 adjustable one :)

Djchow85 03-25-2014 09:30 PM

1 Attachment(s)
Qatmix not sure if you've mentioned it earlier but are you running any ball diffs in your tt02? Maybe its even overkill for the starting price of this chassis... im wondering if there's much gain - but then maybe also depends for off/on road racing?

My lancia built in late man this year. My first ever hobby grade rc.

Took the rear spoiler off as it got in the way from cartwheels off jumps

Qatmix 04-13-2014 09:41 AM

I have made an article on how to get the FDR's needed to run Blinky / VTA with a TT02

TT02 Blinky


As to a Ball diff I have not used one in my car, I am considering fitting one to test in my car but it runs well without.. (Maybe one day someone will make a proper oil gear diff for the TT02)

Djchow85 04-27-2014 02:08 AM

1 Attachment(s)
Tt02 thread seems prett quiet lately... Have we moved on from it? :p

So finally got a bit more testing...

Speedmind pin type soft compound as attached seemed to have a tad more traction than the rally blocks on a hard packed dusty off road track. Haven't tested the kyoshos but the rims come really close to the suspension, nearly touching.

bigfatslob 04-30-2014 06:44 AM

I was wondering if any TT02 runners hve any TT01s in their fleets ? If so does any one know if the high speed spur gear adapter for the TT02 http://www.tamiyausa.com/product/ite...oduct-id=54500 fits the TT01 ? I was then wondering if the Yeah Racing adjustable motor mount http://www.thercracer.com/2013/09/ye...tor-mount.html would also work on a TT01 ? Any advise would be appreciated.

TOO LATE, I just ordered the TT02 high sped gearset. I'll see if it works myself on the TT01 or can be modded to do so !

http://www.majhost.com/gallery/bigfa.../img_8679x.jpg

before install of TT02 spur gear adapter into TT01 w/ standard tub chassis

http://www.majhost.com/gallery/bigfa...1/100_0605.jpg

http://www.majhost.com/gallery/bigfa...1/100_0609.jpg

and after installation and changing over to CF chassis

http://www.majhost.com/gallery/bigfa...1/100_1507.jpg

http://www.majhost.com/gallery/bigfa.../100_1510x.jpg

Its remarkable, the TT02 spur gear adapter is a perfect fit for the TT01, I wonder, how close these two chassis are in other aspects ?

CapTob 05-01-2014 09:05 AM

Hi,

Just wanted to show you my TT-02.

It has a 3280kv 13.5t Team Orion brushless, 25/68t running on NiMH 5000 mAh and Lipo 2s 4200 mAh. This combination is perfect for both Rally and bashing on a local parking aera.

It has alot of tamiya hop-ups. But it could't help completely fixing the steering slop.

I am very happy with it but can't compare as it's my first car.

I'd like to post pictures but I first have to get a certain amount of posts....do you know how much?

Camocrouch 05-01-2014 05:59 PM

Hi Cap,

Looking forward to seeing pictures - You need about 10 posts first.

I've found the eagle racing alloy steering set with bearings, available from Broadtech, to improve steering significantly.
It's almost identical (only differs by steering arm length) to the one pictured on my TT02B in the off-road section.

Cheers,
Crouch

Djchow85 05-01-2014 10:14 PM


Originally Posted by CapTob (Post 13228813)
It has alot of tamiya hop-ups. But it could't help completely fixing the steering slop.

is the issue that it doesn't run straight on full throttle?

im new to this as well but one interesting thing I found was using rally blocks vs on road tires is that the difference in trim was +6 points. I assume only that the blocks are a tad wider hence the need for extra trim...

Have you also added shims? I've added them as well to the front wheels which reduces play...

Qatmix 05-02-2014 01:12 PM

A little bit of steering slop is fine, I have a lot of cars and they all have some slop (even the top end cars) My TT02 has the aluminium arms and I shimmed it a little and I have very little slop now, its precise and sharp on the track.

CapTob 05-02-2014 04:17 PM

Okay thank you for the informations.

I bought the Carson steering set... but it was crap so I put back the stock one but with the Tamiya 54550 Low Friction Screws. Fixed a little play.

Then I noticed play on every tire. Basically, there is play between the shafts and the rear and front uprights. So I bought aluminum front and rear upright, but it still didn't fixed the problem...

So I bought nylon shims to put between the outer shaft bearing and the small metal "stick" that holds the bearings in place... Breaks my tire so that the car won't drive anymore... Put a lot of grease and now it's okay.

3 more posts and I will be able to show you nice pics of my yellow Lancia and every piece that has slop or play.

Thanks a lot guys. One day I'll fix this with your help.

Qatmix 05-02-2014 11:57 PM


Originally Posted by CapTob (Post 13232385)
Okay thank you for the informations.

I bought the Carson steering set... but it was crap so I put back the stock one but with the Tamiya 54550 Low Friction Screws. Fixed a little play.

Then I noticed play on every tire. Basically, there is play between the shafts and the rear and front uprights. So I bought aluminum front and rear upright, but it still didn't fixed the problem...

So I bought nylon shims to put between the outer shaft bearing and the small metal "stick" that holds the bearings in place... Breaks my tire so that the car won't drive anymore... Put a lot of grease and now it's okay.

3 more posts and I will be able to show you nice pics of my yellow Lancia and every piece that has slop or play.

Thanks a lot guys. One day I'll fix this with your help.

You can shim the axle movement with Tamiya shims you need Tamiya 53586 4mm Shim Set. You only need a few between the axle pin and the bearing. You can also put them on the inside of the axle at the base of the axle going into the inside bearing. you still want a little movement to ensure they spin freely.

CapTob 05-03-2014 01:21 AM


Originally Posted by Qatmix (Post 13233198)
You can shim the axle movement with Tamiya shims you need Tamiya 53586 4mm Shim Set. You only need a few between the axle pin and the bearing. You can also put them on the inside of the axle at the base of the axle going into the inside bearing. you still want a little movement to ensure they spin freely.

Thank you very much for the Tamiya shims Reference, I'll order them right now. As I told before, I put 9mm Nylon shims between the axle pin and the bearing but they really break each wheel.

Do you guys feel like there is play between the shafts and the front and rear uprights? I mean that the axle are slightly to thin for the bearings?

A few more posts and I'll show you with pictures and co.


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