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arc team
Demo licensed
Have gone a little over 2 months since the MOD G25E was born and the results were satisfactory.

In just over 70 days, we delivered about thirty wheels / kit all over the world including America.

We approach the period of leave with the satisfaction of having made the happy owners of the G25, but with sadness, we must revise our prices because of future supply will be burdened by increased costs due to raw materials of some of the hand 's work that takes longer than you think and transport. Therefore, as of August 1, all orders will be burdened by increases ranging from 18% to 30%.

To try to reach out to people that we want to do it soon, we submit an offer in which, for orders received no later than July 30 2009 by paying a deposit of 50% if nn we can deliver within the 31-07, the price will be kept current on all 3 configurations. Outstanding deliveries in July, will be executed starting from September 10 onwards because from 1-08 to 7-09 ARC_Team will be closed for holidays.

We refer to our area of our ecommerce area on http://www.f1driving.it for any orders and we remain at your disposal for any clarification of any kind.
arc team
Demo licensed
Quote from terroristone :do you have english instructions for download?
Andrew

Yes. If you gon on download area you can download, after registration, the instructions to see how is the work.
arc team
Demo licensed
Quote from terroristone :how do i go about ordering the g25 mod kit? and cost to send to australia?
Regards Andrew

Hi terroristone.
If you decide to buy the kit to install by itself on your G25 you have €24.50 to send it in Australia.
Anyway you can go here to buy it http://arc-team.extremegamerz.it/index.php?lang=en
arc team
Demo licensed
Quote from G!NhO :So how much is it actually, i dont really get it.

Is it 180 or 220 if you send your own wheel to them?

180€ if you decide to but the kit
220€ if you send your own wheel
470€ if you ask to us to buy a new G25 wheel where we install the MOD
arc team
Demo licensed
Quote from pgrande :When is this ready???? I want to be the first in line...

Actually I'm trying to order something like this... just the mechanichal if possible, I have Leo Bodnar controler and some SLI frome Leo too... Also I have wired the G25 through the inside... could the SLI window be cutted in a custom way for my SLI, See the pictures.

Also, it would be great to do this with a Quick release, that would be great for quick switching Wheels between Openwheels and GT or Rally cars.

Keep Tunned!

Hi Pablo
we have just buyed from leo the new display. We built the new wheel with 2 options: with or without quick release but the quick will be real quick from SPARCO.
As write before, we hope to be in market at the end september/october if the tests will be good .
arc team
Demo licensed
ehm Pablo.... we can sell SPARCO products... let us know wich kind of model you like.

anyway now we can show the tridimensional image of a new product called ARC_Wheel. This will be the optimal complement for our MOD. The wheel include real Sparco Wheel, 8 buttons, gear+rpm and clutch. we think to show you the first prototype before the end of this month then start betatesting. if all will be ok, will be released at the end of september/october.
Last edited by arc team, .
arc team
Demo licensed
Quote from Bose321 :It maybe will work after 6 months, but how more force you put on these cogwheels, how sooner they will break, that's just a fact.

Oh yes, absolutely. At a certain point everything gets broken, nothing last forever but we are pretty sure that our G25-E will last longer than you (and us) can hypothesize.
Here below the pictures of the cogwheel and the end-course tag, take an accurate look, we think it's more sturdy than needed.
Anyway, for us it's enough that it last at least 24 months, if more, good! it's all gain, for our clients and for us!
Last edited by arc team, .
arc team
Demo licensed
Quote from Nathan_French_14 :Besides, you sell this kit with a warranty right? So if it bust, its no biggy. Unless your warranty does'nt actually cover THE wheel and only the kit.

Yes, we give warranty only for our kit. I suppose that you know about Logitech warranty: if you touch only a screw, the 2 years warranty is not valid and we can't give warranty on another constructor parts. Anyway we are sure of our work: all can happen but G25 has been produced with strong material. if the customer is not sure of the business, simply he don't buy our MOD but, as write in another forum, i suggest to check warranty condition of FREX product SIMWHEEL...... his cost is more tyhen 2k $.

At this link http://frex.xsrv.jp/gpshop/catalog/shipping.php you can find an intersting page where is write:

Warranty

All of our products are sold without warranty except electrical unit of SimConBASE and SimConMOTION controller box which are covered one year after purchasing the product. However, broken by electrical static, surge or input wrong voltage are exception guaraty for all electrical parts. There is no guarantee any of damage or injury caused by using our products.

Cheers
arc team
Demo licensed
Quote from Bose321 :Ofcourse, especially with the same plastic cogwheels etc.

Absolutely NOT, nothing gets broken 'cause the initial calibration is faster, yes, but it ain't so strong to break anything.
The plastic you mentioned (cogwheel and main rim) is not normal and cheap plastic, it's a nylon-charged mix that make the material very strong and hard thus it can bear such more strenght.
Furthermore, during the game session the wear and tear is not so high either, the player have just to counterbalance the higher strenght produced by the two motors without hitting any mechanical parts nor the cogwheel.
Remember, the cogwheel is for initial calibration ONLY, it provides the end-course at both ends, nothing more.
We have sold other Mod G25-E and they are all working since more than 6 months and no problems are coming out. The testimonials are upon us.
arc team
Demo licensed
Quote from hsmith :This wheel looks very good. Are the paddle shifters modified? I feel that's a weak point of the G25. I would like a more positive realistic feel and click when downshifting and upshifting.

Any idea on when the other F1 like wheel will be released? That looks amazing. I'm looking to upgrade my wheel from my current regular G25.

We are working on 3 different kind of wheels. All will be released with clutch paddles.
arc team
Demo licensed
Yes Pablo, we have released for Italian guy but not yet for international.

We are finishing ecommerce area before to do official comunication but, as i know, you are just in contact with my guy Daniele that are giving all info's you need. You know the way to order it. In next day we open internationals order.
arc team
Demo licensed
Quote from Juls :OK, so it looks like you use 48volts and get 4 times more heat than default G25. With two small fans why not! It still looks reasonable.

You got the point , yes we use 48 Volt power supply (of course we also modified a section of the inner electronics making a new board and replacing some of the components on the original board) but the power supply has a trimmer that allow you to adjust the output voltage in order to get the FFB more flexible for various software games and different users, the lower voltage achievable is about 42V, for the higher is a must to not go over the 48V 'cause the power supply can reach 55V, in that case a damage to the motors and/or fans may occur.
Greets!
arc team
Demo licensed
Quote from Juls :The specified motor voltage applies only when the motor is not blocked. When blocked, current through the motor is far more important.
If you take a 24 volts motor and block it, it will burn.

In a wheel motors are blocked most of time. That is why wheels HAVE to use motors with a far lower voltage than specified.
What is important is not voltage but current. In a wheel, motors reach their max current and heat with a lower voltage than specified, because they are blocked.

Second point....heat in DC motors is produced in the rotor...which is enclosed inside the motor. For the heat to reach the outside of the motor, it has to cross the air gap between rotor and stator. And air is a very poor heat conductor. As a result, even if you cool the outside of the motor with a fan, the rotor inside will reach a very high temperature.

I suppose the G25 motors should be able to survive this, but you can not say you stay within motors specifications. What is the current max going through motors with your mod?

1) The motor voltage declared by the manufacturer is 60V, we increased the supply voltage staying much below this value 'cause we know about the current consumption while the motor is blocked.

2) Yes, the heat is produced in the rotor so the choice to abandon the single fan and putting two smaller (quieter and esthetically better) fans right over the motors, furthermore the motors have an opening over the brushes location, thus the air flow, passing through, can sink even more heat than a single fan.

3) The electric consumption acquired with our instruments gave us a 3.2A of maximum consumption so the need to replace the inner fuse (2A) with an external one placed on top right of the housing, of 4A.

Thanks for your enquiry.
Daniel Romanoni
Electronic engineer - ARC_Team
arc team
Demo licensed
Quote from Supaheli :hot air rises cold air from the bottom would be sucked from any holes under the g25 and get forced to flow around the inside of the g25 by the fan and then sucked out by the fan but i do agree of the fan being ugly and maybe a more effishent fan could be used like a fan with a heat sensor or maybe water cooling could be used

Already answered:

Quote:
Originally Posted by hazaky
No offense, but the fan totally ruins the wheel. Fan should be placed under the wheel. And there is no airflow too as i watch on the pictures. Fan should be at bottom of the wheel with little spacing thing (few knobs under wheel) and there should be a flow-out hole on the top of it - maybe there where the fan actually is atm.

Quote:
Originally Posted by ColeusRattus
Sorry, but a fan under the wheel would not make any sense as there would be next to no airflow, because the table would obstruct it.

Both of you are right, the fan on the top ain't esthetically good, we are trying with smaller and thinner fans AND YES, we did open the front vents to let the air flow, exactly in the front of the housing on the two grilled opening, inside they are almost totally closed by two fins that we got cutted off, this trick is essential for the correct air flow.
Putting the fan on the bottom is phisically impossible, inside the housing on the bottom there is part of the mechanical structure which makes the wheel rotating, forthermore as ColeusRattus said, the table would obstruct the air flow at the beginning. Would you make a hole on your table? I think no!
arc team
Demo licensed
No sweat,

You'd need a switching (stabilized) power supply with 24 Volt and AT LEAST 1.75 Ampere output.

You can find it in every consumer electronics dealer, they have multiple selectable output voltage and plugs.
arc team
Demo licensed
Dear guys,

the problem you mentioned is caused by the motor encoder wheel.

If you open the G25 you'll see a small black plastic box on the rear of the right side motor, inside that box there is a PLASTIC encoder wheel mounted on the motor shaft.
During the normal use the motor shaft gets hot and as the time pass by, day by day, the encoder wheel stands a hard wear and tear 'cause it is gripped on the motor shaft (the wheel hole is precise to the shaft diameter to get it blocked)
At a certain point, the wheel gets a crack on its radius (due to the wheel grip on the shaft + heat) preventing its normal rotation on the shaft.

Yes, it's a pain in the ass 'cause it's a lack of Logitech project department.

The solution is to remove the broken wheel, get it fixed with a drop of instant glue and then try to enlarge the wheel hole using a 3.5mm drill bit rotating it BY HAND very very slightly (don't try to use electric dril or you'll get a pulverized wheel!)

Then, at job done, fix the wheel on the shaft again using the same instant glue (ONE DROP!) directly on the shaft and then insert the wheel at the right position and leave it at rest about 20 sec.

Re-assemble the small electronic board and then close the box.

Now your G25 should be fine again!
arc team
Demo licensed
Quote from NightShift :A professional wheel also comes with a warranty, which I suppose is lost when in the case of a modded G25, unless you plan to offer a warranty extension along with the mod ?

Of course.
arc team
Demo licensed
Price will be released at the end of april when hope to release the kit. To build the kit are required 5 hours of handmade + components + new power supply as you can see in first picture at the top of this topic. Actually we try to define the best solution to have a right price for a good service. Please, remember that a professional wheel as FREX-BRD-VPP have a cost over 1000€ (1500/2000).

We are happy to inform that we are working on another project and we hope to release if is really possible. The price? No comment because we don't know again how much is the cost of the prototype...... My god!

arc team
Demo licensed
Quote from pgrande :Great Work, congrats!!!

Big question for me is, are you planning to sell a DIY KIT so we can make the Mod by ourselves? I would be very pleased customer if this is possible.

TKS

Quote from Tomhah :+1

Quote from Byku :Awesome! O.O Seriously! Great work with that! Any G25 broken already? I've never opened G25 myself(still under warranty), do You think that G25 might withstand such a stress for long time? Do You have any prediction of the cost? Will You sell modded G25 or will You mod other peoples G25 which are send to You? Seriously guys, my jaw dropped when i've seen that YouTube film .



+1

Dear friends,

It's possible for us to sell the kit for the mod (all needed components included; electronic circuit, cables, fans, switch, fuse, power supply and photo+text instruction manual) but the whole job should be executed by a skilled personnel, It doesn't mean you gotta be an electronic engineer but any of you who would wanna do this mod must be able to use soldering station very well 'cause soldering and desoldering components on the original circuit board (some of them quite small) is required.
If you think you can get the job, it worth the shot to boost up your G25 !
BUT, if you're not able to do the job, you can send your G25 to us and we can do the mod for you.
arc team
Demo licensed
Dear friends,

at this link, you can see a video comparison between normal G25 and G25-E by ARC_Team.

Comparison Video

We have also change big fan with 2 smallest mantaining the same temp instead.

Image

More news are ready to come, soon.
Last edited by arc team, .
arc team
Demo licensed
Quote from MijnWraak :I noticed it's a lot more noisy with the mods; do you have any plans for quieting it a bit?

It's more noisy only while calibration in progress, that's normal, the motors do rotate at a higher speed.

During the game session the noise is normal as an un-mod G25.
arc team
Demo licensed
Quote from mcintyrej :Very nice - so does the turn speed still work as fast when the strength isn't as high? For example could the G25-E Be run at 40% LFS Strength yet still rotate as fast?

Very nice work so far!

Quote from STF :Exactly what i was wondering myself. I guess that would partially eliminate some heat too.

The calibration speed is independent of the percentage strength setting.
Also in original G25 the behaviour is the same.
The initial calibration procedure is for auto-learning the end-course rotation and the acquisition of the steps number by an encoder fixed on one motor.
The higher speed rotation is due to the higher voltage applied to the G25 motors.
Last edited by arc team, .
arc team
Demo licensed
Dear friends,

at this link, you can see a video comparation between normal G25 and G25-E by ARC_Team.

http://www.youtube.com/watch?v ... &feature=channel_page

We have also change big fan with 2 smallest mantaining the same temp instead.

More news are ready to come, soon.
Last edited by arc team, .
arc team
Demo licensed
Quote from 91mason91 :i could be a beta tester too

I also have a normal G25.

I'm pretty sure you could do that but for now tests are performed in Italy only, we have to take in account every expense and the shipping cost abroad is more expensive.
Thank you anyway for volunterring!
arc team
Demo licensed
Quote from NightShift :That's interesting, though I'm wondering how the mod could affect the total lifespan of the wheel (there will be increased mechanical stress to take in account) Of course I don't expect you to have data on that already, but did you try to take that into account when designing the mod?

Also do you have MTBF figures for the engines under Logitech vs standard/higher voltage operation?

TYIA

Surely the wear and tear is increased due to the more stress on the rim and the motors pinion but we saw that the rim is not made of simple plastic but plastic+nylon added in the mould (harder and more lasting material) and the pinions are made of brass.
Yes, you're right, we don't have enough data yet at the moment, the prototypes are under test for several hours per day since about three months by our beta-testers and we're waiting for at least one wheel gets broken in order to look, take in account and, if possible, solve.

For your second query we figured out the characteristics of the motors and its manufacturer thus we are pretty sure that increasing the voltage doesn't harm the motors (the motors voltage is higher compared to the voltage we're supplying them) but the more heating produced had to be sunk ABSOLUTELY or they would get burnt out, thus the choice of an electric fan (ugly but functional!)
For this reason the MTBF is still under acquisition always by our beta-testers.
Thanks for your query!
FGED GREDG RDFGDR GSFDG