Honza
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Posts posted by Honza
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3 hours ago, FCUL78 said:
Oh is there a foam bumper that fits the MF01X?
3racing makes foam bumper for M05. It could fit to MF.
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5 hours ago, ruebiracer said:
Although I really would appreciate this feature, it´s quite a challenge on a bathtub chassis...
... But there is the spark of hope for that option, as Tamiya did release the shaft drive 4WD cars with switchable engine positions…
I think that M08 will be designet with same "cage frame" chassis as TA07. That makes plenty of space for different layouts
Your conversion looks great
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4 hours ago, Jonathon Gillham said:
surely the best thing would be to include both rear and mid in the kit so the user can choose
I agree with that. However, M-chassis are aimed as budget cars, so I doubt it will have more parts than neccesary. But when you look how M-chassis gearing works, it shouldn't be that hard to design one gearbox, that can be used for both layouts.
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What's wheelbase of standard TA02 then? Because difference between rear arms is larger than 2mm...
TA02T uses TA01 suspension in front, too. TA02 front axle has longer arms, which is compensated with narrow knuckles. Does this affect wheelbase, too?
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On 2/23/2019 at 7:50 PM, Vintage1 said:
I have a new Porsche RSR shell but the chassis wheel base is too long.
Which RSR? 934 or 911? For both you'll need shorter TA02 tub.
934 was sold on TA02S, which is TA02 with rear arms from TA01. Wheelbase is 236mm
911 should fit to TA02T, which is TA02 with TA01 arms, but rear arms flipped to increase wheelbase to ~250mm (not sure, what exact wheelbase is, Tamiya says 255mm, but I'm certain it's closer to 250)
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These are TA02/03/CC01 knuckles. They give you ~10mm narrower front, if you use them with TA01 arms. DF01/TA01 use two 1150 and same wheel axles as rear hubs.
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5 hours ago, bjorklo said:
I will also try to dye the front knuckles black since they are blue, but I don’t think they will take the dye.
Aren't blue knuckles TA02 part, meant for "long span" front suspension arms? I think that TA01 suspension uses DF01 knuckles.
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It looks nice
You can still add ackermann by moving ball studs to rearward position on steering rack and/or to forward position on knuckles.
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24 minutes ago, Juls1 said:
.People crying that it fills up the chassis with dirt, IME it’s no worse than when it’s used as a TT02B...
TT02B uses shell as dust cover. If it can be fitted to road TT02, it will be as dustproof as TB01
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13 minutes ago, nbTMM said:
If you raise type S suspension to a useable rally height you will have heaps of positive camber to dial out. Probably enough that you have to look for shorter driveshafts. You will also need longer shocks to even achieve that ride height, since there is very little adjustability unlike the normal TT02 where you can flip the hubs upside down. The Type S / TRF has a reputation for breaking hubs, I'm not sure it is the best choice for rally.
Nope, TRF works with standart driveshafts even after filing to ~25mm. You are right about shock, but some gain can be achieved with long ball Connectors.
Cracking of hubs can be solved with soft hubs from TB03.
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7 hours ago, ACCEL said:
In reality there is no such thing as a Fat Fox.
how do you pronounce Buggyra?
How do you mean that there's no Fat Fox? It's in the picture
Buggyra is pronounced same as Baghira from Jungle book. They started as Baghira racing, but changed it in 2000's
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I think that TB05/Evo7 style, with various layouts (standard/short/saddle), which uses mix of already existing parts would be great addition to Tamiya family. However, i think that TB05 differential cases are not greatest choice for such task. Something more similar to TRF502, but wide enough to fit gear diff, would be great.
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1 hour ago, ThunderDragonCy said:
The car currently has the standard TRF201 anti squat geometry built in at about 2 deg I think. I can shim it out but why would I want to? Interested to know your thoughts here.
I didn't mean anti-squat angle of rear arms, but angle of swing shafts. From your pictures, it seems that they are angled forward, which adds to anti-squat effect. I noticed this effect when i tried to "cheat", using DF03RA rear arms to shorten wheelbase. Car acted really weird with so much anti-squat.
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Great build, why I haven't noticed this before?
Watching this build, I keep asking, why Tamiya made DB02 so complicated and expensive. They should make new version with TB04 differentials and longitudinaly mounted gearboxes.. But I agree, that TRF502 diffs are great, I used them to upgrade my TB03. Stock diffs were never that smooth.
I noticed, that Tamiya still cannot make their universals right... Thicker pin in cross joint should face same direction as dogbone pin on other side to cancel vibration. Tamiya makes universals rotated, so they instead amplify vibrations. That might be issue with DB02s front center shaft, stock one might be smoother.
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On 2/2/2019 at 11:03 PM, ThunderDragonCy said:
After going for a ride this afternoon another solution popped into my head. Use a 20mm long counter sunk screw and a ball nut with a spacer to replaced the ball screw in the c hub.
I would go back to original setup, with ball screw and closed ball cup. This combination gives you most travel and you won't have issues with ball joints popping out.
Also, before you start with tub mods, check angle of rear axles. You don't want them angled forward/backwards, that itroduces antisquat/prosquat forces.
Can't wait to see finished car
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I have only this picture from 10 years ago, shortly after I built it. With minor mods on front arms, it's capable of 15mm ride height. With additional mods up to 25mm.
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TB03 is great for rally. It just needs normal front shocks instead of laydown ones.
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On 2/1/2019 at 4:48 PM, TurnipJF said:
To be honest I am not sure what makes an M-07 Concept a "concept".
I think it was test for Tamiya to see, if more advanced, competition-aimed mini would sell well enough. M07 is not succesor of M05, it's better alternative and new series - that's why they called it concept. M08 will be part of these new series so i think it won't be "concept" anymore.
Btw, I don't get why Tamiya announced M08 during major event without showing it...
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Sorry for late answer
Unfortunately, I don't have any saloon body, I'm into coupe
Only exception is Delta, which fit.
I tried GT86 and 370Z too and they fit. However, I've different base chassis, so dimensions can be slightly different.
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I think that you can use almost every shell available
I have RWD car based on 2WD buggy. Even porsche 911 fits over rear shocks. I'll check if my Lancia Delta can fit over motor, but I think there's enough space for it.
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Since there are driveshafts in the back, it's impossible to change wheelbase by rotating arms without effect on handling. So i gues it'll have rear axle+gearbox subassembly similar to M06. Which also means possibility of modular MR/RR gearbox.
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Beetle body can fit standard TC discs with rally tires. Here's how it looks on M04
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12 hours ago, dc-arena said:
- How much difference does the speed-Tuned TL01 set make? I’ve never driven an M-series so no idea what they’re like. Also, will you be swapping out the pinion for a larger one?
Speed tuned gear set changes internal ratio from 4.4 to 3.3. That means, with 19T pinion, it changes overall ratio from 7.95 to ~5.95, which is much closer to M-chassis gearing (M-04 has 6.1 with 19T pinion)
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21 hours ago, Boddney said:
How are you able to tell the difference?
Most obvious difference between TT01 and TT02 is motor position. TT01 has motor on left side, TT02 on right side (looking from rear end). Others are subtle design changes.
Typical for TT series are shape of steering linkage (almost identical in 01/02) and massive upper suspension arms (slightly smaller in 02)
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M-08 predictions?
in General discussions
Posted
It depends on available bodies. IIRC, only 1/10 210mm FWD was Mini, which Tamiya doesn't make anymore. It made M07 simplier, so it was logical to not include 210mm variant. They did same thing with M04.
M08 might be different. Tamiya might still re-release A110 and Abarth 1000 and RWD drivetrain needs more complex system of wheelbase change, which might allow all 3 wheelbases.