Honza
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Posts posted by Honza
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On 8/18/2018 at 12:30 AM, speedy_w_beans said:
You'll never get TRF-level performance from CVA dampers for a number of reasons:
- CVA pistons don't seal against the damper bodies as well.
- CVA piston holes are way too large to transition between linear damping and nonlinear damping like the TRFs do. Landing jumps effectively while still handling smaller bumps requires both types of damping. The CVAs never provide "pack".
CVAs are better than spring holders, but TRFs definitely provide an advantage with the way they are designed.
a little bump...
I measured CVA2 mini bodies and their pistons - while bodies have exactly 10mm in diameter, pistons are 0,3mm smaller. That's area of 4,6mm2, while holes in CVA dampers have 1,5mm2... no wonder they don't pack.
now to my question - would TRF pistons 53572 or 53573 fit better? it could be nice, cheap upgrade
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21 hours ago, Badcrumble said:
It seems as though new would need to fit on TT01/TT02 too as @Honza stated.
There will be new kits with bodies. But they will be based on entry-level M05/M06, instead of M07/M08
M08 is not succesor of M06. It's different class, the difference is same as between TT02 and TB05.
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If Tamiya continues with current tactics, there won't be any M08 kit with body. Racing level kits (TB05, TA07, M07 and some hopped up TT02) are produced as chassis only kits.
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Friend printed it for me, I only made 3D model. It's printed from PET-G, strength isn't issue - as you can see, Tamiya part broke, too.
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Well, I haven't even finished it and this happend:
Positive thing is, that printed part (PET-G) have similar strength to original. Negative is, that now I need to get both parts to repair the damage... I'm thinking about designing new rear part with transverse motor. Problem is, that I never really liked TL01's motor sticking out in front of rear wheel. I'd like to make something better.
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Isn't front and rear of TL01 identical? If it is, you could use two rear M03 parts.
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2 hours ago, Mark3gti said:
..on my evo 5 the suspension block is mounted onto the chassis, then a bit more chassis for the bumper plastics..
It's modded, you can see an L-shaped bar mounted to arb holder. Bumper mount is just cut off.
By steering, it looks like Evo4. I think I've seen it before.
Edit: i found some pictures of evo4 based buggy, maybe it's earlier version.
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On 6/4/2019 at 10:34 PM, TurnipJF said:
I wonder if an angled front lower arm mount couldn't achieve the same thing? Then one could use the stronger M-07 C-hubs.
I have same feeling. It's weird that they use lower arm mount for caster setting in M07, because that introduces pro-dive in FWD, but in RWD, it shouldn't be issue...
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For touring car, it seems to be a bit too complicated.
I think that RWD benefits from direct drive and low weight. Something like MST TCR in MR configuration, but with proper damping would be interesting. It's too bad that Losi is not making JRXS anymore, some parts could be used for that.
I was also thinking about RWD with de Dion type rear suspension. Although it's not independend suspension, it has certain advantages over classic live axle found in traditional RWD cars, while being much simpler than independend suspension.
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Only one I can think of is Protoform Europa. It's Leon MK3 Eurocup
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6 hours ago, ThunderDragonCy said:
I has been, but that has been scuppered by the front arms on the TB05 not have pillow balls. The shafts are a direct fit into 3mm holes in the suspension blocks so there is no scope to lift the front block to get 10 deg kick up
You can replace these with pivot ball type. Mounting is identical. It's been some time since I tried this, but I think that slightly more than 7mm (~10°) was possible.
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Finally got parts printed for my mid-motored MF-01XL. What do you think?
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39 minutes ago, Tizer said:
Besides the TB01 - TBevo1 and the TB02 - TBevo3, none of the Evo's and normal TB0X chassis are related. All they share are maybe some gears and suspensionparts.
I'd say that Evo6 and TB04 are just as related as Evo3 with TB02. Evo5 and 7 are similar to TB03 and 05, although there aren't many parts carried from one to another. So only Evo2 and Evo4 don't have cheaper equivalent.
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13 hours ago, El Dougo said:
Not true, the Evo 7 is the same.
I meant part #51351, Evo7 have different, aluminum part. But gears are same as TB04
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All TBs from 03 onwards have same diff gearcases, with exception of Evo7. Only difference is, that 04 have 40T bevel, so it will requie different shimming. Also you have to shave some material from input shaft, otherwise it will scrub on differential.
What was your problem with ball diff? I coverted mine to 2,5mm screw and TRF502 gears and it worked flawlessly.
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Hello, could someone measure centre-to-centre distance of front hinge pins for me? Thanks.
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- TC variant have spool at front, differetial is more advisable for gravel.
- XV-01 rear axle have longer wheel axle and shorter swing shaft, than TC. Also, IIRC, std XV01 uses 42mm front swing shafts, while TC uses 44mm. You'll also need shorter inner suspension shafts for XJ/XM mounts.
I think it'd bee easier to keep TC suspension and just cut it a little to get enough suspension travel. It's easy to get over 25mm ride height
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Looks like Gearbox have something like "4 gear" layout to increase traction.
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Yes, this should work..
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15 hours ago, Scipunk said:
Tamiya Front CVD 54515 though these are tricky to find for me
You can build your own. You just need TRF417 wheel axle and cross joint and 42mm swing shaft.
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On 3/16/2019 at 10:33 AM, ruebiracer said:
they offered oil filled gear diffs for the TB03, as Tamiya didn´t think of it at all!
I think that first TRF417 gear diff from Tamiya (#42185) was actually rebadged Spec-R unit
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On 3/15/2019 at 12:32 AM, bjorklo said: does that even exists? I guess I will have to paint electronics and change all the wiring to yellow, myself..
I think that Traxxas made yellow brushed ESC in the past. And I've seen Savox servo with yellow anodizing, but that won't be cheap
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Normal tamiya blocks are too hard.
Years ago, we were using tamiyablock copies, which used softer compound. Those were best tires, but they are not available anymore.
However, new Tamiya "Softblock" could be something similar. From first reports, they might have right compound.
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Always liked FGX, maybe for its seemigly unecessary complexity. Makes me wondering, why Tamiya didn't come with something similar, since overengineered cars are Tamiya's thing. Or atleast independend suspension RWD touring.
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does that even exists? I guess I will have to paint electronics and change all the wiring to yellow, myself..
CVA damper vs Aeration Damper relative performance
in General discussions
Posted
That's great info, thanks
Is difference between 3 hole TRF and one hole CVA noticeable?