infernox

i know ive been through two tubs now, no i changed gearing too much a while back

saaz

Howzit

A 17T motor using std rubber 65mm tyres has an ideal roll-out of 26-27. The 23/58 that you were using was a bit high @ 31.16 The 25/55 gives a rollout of over 35 which is way to far out and would give you fantastic top speed if you had a long enough straight!
Using this ratio you risk overheating your ESC and/or motor! The ballpark ratio for a 17T is 21/61 giving a rollout of 27.05 or 20/61 giving 25.76.

Have you got a list of the GPM parts that you are importing into SA?

Cheers

Graeme

saaz

Hi All

There has been much comment recently over the use of matched battery packs! Most of the comments – (apart from the one from SerenityRacingRC) indicate that most people do not know what “matching� really means and just assume that a matched pack MUST be better! They usually are!

Simplified View: Take 1000 cells and sort them by their voltage/charge/discharge rate. They will vary from perhaps – 1.219V down to 1.1815V. Now you sort them into groups of 6 with the closest voltage rating – they are matched! (Much Simplified)

Of course the ones that are matched @ 1.219 are a lot better than the ones matched @ 1.815 – but all are matched packs! The first ones will sell for double what the second ones go for!

If buying matched packs – check the labels of the individual cells! Assuming the matcher is honest then these will tell you what you are actually getting!

All this talk about matching and nothing about chargers! To maintain a matched pack you need a proper charger / discharger setup. You need to be able to discharge down to 0.9V per cell using a discharge tray or similar and be able to charge @ 6A/5A with a peak detect of 0.03 / 0.02.

Using a cheap charger will mean that your expensive matched pack will be stuffed up quickly!

Matched packs are for serious racers only! They use each pack only once per meeting (why I don’t know), so for a 3 heat + 1 main = 4 packs!

A TT-01 doesn't need a matched pack - just buy a zapped IB3800 / IB4200 pack and you'll have all the power you need!

Cheers

Graeme

kingeric1991

n20 that is a very cool bus body if i raced your truck and read that imature comment on the back i would ram you truck and kick it until it broke

saaz

Howzit

Time to buy a new tub!

I read recently (can't remember where!) that thread locker should only be used on metal to metal and if used on plastic it can stuff it up! If the 4 screws that hold the gear cover lifted then I guess they were right

What have you cable tied it to?

Cheers

Graeme

Wingman1331

For everyone building a TT-01 currently, I would recommend to put some semi-permenant loctite on the "grubscrew" that attaches the gear to the motor. In both my car and my brothers car it has come off, and since we loctited it it hasnt come off. For us it came off halfway throught he first test drive, and ive driven maybe 30 more times without fail.

bIGmiK

The RCmart delivery elf was knocking at my front door this morning, starting to look better. Still wanting on new batteries, ESC, and I'm going to do another order in a few days

N2Otorious

My Feedback: (3)

Well since you don't race with us, I wouldn't expect you to know where the catch phrase came from. It is a running joke within our club. <sarcasm ON>Your comments certainly sound mature<sarcasm OFF>

I don't need any drama, I'm in this hobby to have fun.

bIGmiK

Looks so much better not having the bumper mount thing out the back fo the TT-01's (look at the rear end in the pic of mine to see that I mean).

Rare

Shed some weight to eh?

infernox

get the gpm parts guys, they are awesome, spend the cash its worth it

bIGmiK

Nope sure visual

And stop advertsing the GPM parts. They are made to a price. You get what you pay for, and with these GPM parts you don't pay much, so work it out for yourselves.

infernox

well i like em and was very impressed, and they look good, weigh very little. just saying

bIGmiK

Well of course you would say that when your importning them...

infernox

no see, before i became importer, i bought all the hop ups for my tt01, then i bought some gpm parts and was impressed, so i decided to start importing, the comments i give on the parts is from a personal level, not business, none of my clientelle comes to this forum, so i have no reason to advertise

bIGmiK

I'm still not convinced.

Anyway, TT-01 thread not a flaming thread Sorry mate

Rare

every ounce counts....

infernox

thats the truth

bIGmiK

Not when in racing alot of people need to add weight to their cars to reach the minimum weight

Rare

Thats crazy! I had no idea.

bIGmiK

Haha but also they do it in a way to add stability to the car, or addit all up front, well just in particular places to help the cars handling.

Rare

ive heard about adding weight to the front to aid in handling....

bIGmiK

I need to goto the LHS to get some parts (New ESC, motor, battery bars, deans plugs, servo saver) today, but I really can't be bothered riding there.

Rare

why not just order online?

bIGmiK

Takes a week to get here.... I want to drive today