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Kaiser.cl
S2 licensed
No, the motor itself doesn't have any information. But what i know after searching and looking in internet is that the motor is a "Johnson Electric HC685LG-011".

I know that the coil winding and the carbon brush can be repaired, but will be so reliable as the original? Another thing is the axle bearing, looks like damaged or worn-out (i said good?) because the axle has to much friction. I don't know if the axle bearing can be replaced, you know is too small 1/8 inch.

Anyway i'm trying to open the motor and find out exactly what is wrong. Maybe the axle bearing just needs a deep clean and a drop of oil, but at same time i'll keep searching for another motor.
Kaiser.cl
S2 licensed
Quote from Calzone :Those motors can't be opened easily

I don't have a G25 motor for you, but i do have a DFP motor here. Probably the same motor, the differences between the wheels is caused by something else by my knowledge.

You could still try to email Logitech first. They have a great customers support and seen as this is one of their more expensive products, i guess they will have a solution. Just try it, who knows what they will say

Some time ago i wrote to logitech asking if they could send one motor to me. The answer was that they don't send parts. They send another wheel in case of warranty, but they don't send parts or in this case motors.
There is no Logitech technical assistance here in Chile, so my only way to repair the G25 is by myself.

I believe that there is a difference between a DFP and a G25 motor.
The first difference is the spin ratio between the motor and the wheel. In a DFP the ratio is 35:1 same in a MOMO. In a G25 the ratio is 16:1. But that can be solved adjusting a gear ratio.
I don't know if they works with the same voltage. And maybe the torque and the RPM aren't the same, but i got nothing to lose if i try.
I will really apreciate, if you can (and want xD), send to me that motor. I believe that it can be fitted to the G25.


Best regards from Chile


PD: Oh! About the motors

This is a normal DC Brushed Motor



And this is a "low cogging" DC Brushed Motor.

Last edited by Kaiser.cl, .
Kaiser.cl
S2 licensed
Thanks for your advice.

Yes, i know thats is hard to find someone that could sell a motor, but i have read about people that smash their G25 (by logitech orders for the warranty deal).
Maybe some of them still has parts of the wheel and maybe the motor, or someone has a broken G25 and wants to sell it.

I don't know, but hope is the last thing to lost

Quote from IKke5165 :Aren't those motors just regular small electric motors? Just like the ones they use in rc's ?

No, is not the same. There is something called "cogging" efect it's like non-current torque. If you spin an generic electric motor with your fingers, you will feel that the motor goes in steps. So if you put a rc motor in the G25, the wheel will feel "shaky". In a low cogging motor like G25 uses, you don't feel that's steps and that's makes smooth turns in the wheel.
Last edited by Kaiser.cl, .
I need a G25 electric motor replace.
Kaiser.cl
S2 licensed
Hi there!

The story is pretty short.
In a endurance race my G25 started to smell weird, and suddenly the FFB lost power. Sadly, my wheel is out of warranty so i just opened it and discovered that the right motor was completely burned. The left motor has the optical encoder and works fine.
So if anyone of you has a extra G25 motor, I'll be very pleased to buy it.
Best Regards from Chile
C'ya!

PD: Sorry for my english.
Kaiser.cl
S2 licensed
Hi!

Yes! Is Jhonsson Electric

I've been searching FF motors for my G25 for months and i can't find one new to buy yet. This happens becouse the FF motors are very specials. They have very low "detent" or "cogging" efect (just try to spin a simple electric motor with your fingers and you will feel that the motor goes in "steps" that's the "cogging" effect and that's affects your FF experience)
I wrote to Jhonsson Electric about acquire new motors for my G25, and they said:

"Dear Sir,

Thank you for visiting our website and inquiring about the availability of one of our products. All of Johnson Electric’s products are custom designed to match the specific requirements of our customers. The final product or model of our customer is in many cases unknown to us, since major global companies utilize the same component across different brands. Unfortunately, since these custom components are made to order, Johnson Electric does not hold inventory for replacement parts.

Johnson Electric manufactures these components in very high quantities for hundreds of global brands, who manage their own warranty programs independently. Our website is designed to feature standard platforms that could be modified to suit an equipment makers performance requirements, the website is not configured for online sales. Johnson Electric also has a distribution network that carries some of the more commonly used items. This distribution channel is also focused on the industrial segment and serves lower volume equipment makers. You may want to check with one of the distributors in your area regarding availability of the part you are looking for. "

Finally, the only way is buy a used motor from a old or broken DFP, or in my case from a G25.
So, if anybody has an extra G25 motor, i'll be pleased to buy it

C'ya!
PD: Sorry for my english :P.
Last edited by Kaiser.cl, .
Kaiser.cl
S2 licensed
Quote from MijnWraak :By the end of the week I will have 4 extra G25 motors. Do you need 2 of them? I've never shipped to Chile before but if you can cover shipping charges (USPS estimate appears to be $11 USD for a 1lb package) I'd be happy to send you what you need PM me

I think 1 of the 2 I currently have are dead, and I will let you know the condition of the 2 motors I will be receiving within the end of the week

(if I have 3 working, I'll be happy to send you 1 or 2 depending on situation as well, Pioneer.)

oh BTW, the optical encoder will not work so only the motors will be available.

That's awesome!! Thanks a lot!

I was losing my hopes to find one for my G25.
Well, i just need one. It was the left motor that have failed, smells like burned and dosn't work. So, how can i send you the money? and the thanks? xD

PS: Sorry for my poor english.
Kaiser.cl
S2 licensed
Hi there.

Has anybody find where to buy the Johnson HC685LG-011?? That is exactly the motor that the G25 uses.

Or somebody knows about an equivalent motor?

I had found the HC685-102 but is not the same motor. This one has more speed, less torque and works with less V.

Please if anybody can help with this. I want to see my G25 working again!
FGED GREDG RDFGDR GSFDG