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#2861528 - 09/16/09 02:42 AM Re: Review: Logitech Flight System G940 [Re: wheelsup_cavu]
RSColonel_131st Offline
Lifer

Registered: 01/02/01
Posts: 20205
Loc: Vienna, 2nd rock left.
Nice review - the one thing you might want to ask Logitech is what kind of technology they are using inside. Old style potentiometers, optical, Hall-Sensors (unlikely at that bargain price).

Because as always it remains to be seen how durable that thing will be. Logitech hasn't made expensive joysticks for a long time, and the last I had from them failed with side rudder (twist axis) spiking. But that was years ago. I think people expect much more durability out of a 300USD buy than a 70USD buy, lets see if they can fulfill this.

I'd also be curious if there is any way to connect the parts seperatly? For example if you only wanted to use the pedals? Likely not I guess.

Otherwise it looks like a winner - they got a product squarely in the bracket between high end HOTAS (which for me is a 80/20 case) and low end cheap sticks, and they deliver a complete package with FFB, Rudder and Split Throttles for a low price. Someone at Logitech knows the flight sim market well.

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#2861532 - 09/16/09 02:49 AM Re: Review: Logitech Flight System G940 [Re: RSColonel_131st]
Proost Offline
Junior Member

Registered: 03/04/09
Posts: 66
Howlong is ''the throw'' / movement of the stick in lenght, same as x52? (shorter or longer).

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#2861534 - 09/16/09 02:57 AM Re: Review: Logitech Flight System G940 [Re: RSColonel_131st]
Proost Offline
Junior Member

Registered: 03/04/09
Posts: 66
Originally Posted By: RSColonel_131st
Nice review - the one thing you might want to ask Logitech is what kind of technology they are using inside. Old style potentiometers, optical, Hall-Sensors (unlikely at that bargain price).


Hall-Sensors.

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#2861537 - 09/16/09 03:11 AM Re: Review: Logitech Flight System G940 [Re: Proost]
RSColonel_131st Offline
Lifer

Registered: 01/02/01
Posts: 20205
Loc: Vienna, 2nd rock left.
Hall Sensors for 300USD total price? Wow.

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#2861617 - 09/16/09 06:56 AM Re: Review: Logitech Flight System G940 [Re: RSColonel_131st]
Joe Offline
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Registered: 04/05/02
Posts: 17731
Loc: Bridgewater, NJ
At E3 Mark Starrett said the stick uses "non-contact magnetic sensors". I said "so, hall sensors?" He said "umm, non-contact magnetic sensors".

I'm not sure what the technical differences may be, but suffice it to say there are no pots used for the X and Y axes.

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#2861656 - 09/16/09 08:00 AM Re: Review: Logitech Flight System G940 [Re: Joe]
RSColonel_131st Offline
Lifer

Registered: 01/02/01
Posts: 20205
Loc: Vienna, 2nd rock left.
Thanks. If the FF gear is also solid - but given that even the old Microsoft Force Feedback had a very long life, I suppose they got a good handle on that part by now.

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#2861666 - 09/16/09 08:12 AM Re: Review: Logitech Flight System G940 [Re: RSColonel_131st]
BeachAV8R Offline
Contributing Editor
Lifer

Registered: 01/22/01
Posts: 20326
Loc: Charlotte, NC USA
Originally Posted By: RSColonel_131st
Nice review - the one thing you might want to ask Logitech is what kind of technology they are using inside.

Thanks to Joe for answering that one..I had no idea. I figured on Hall sensors..but I guess Logitech doesn't want to call them that.

Quote:
I'd also be curious if there is any way to connect the parts seperatly? For example if you only wanted to use the pedals? Likely not I guess.

No. Both the rudder and throttle plug into the base of the stick, then the whole 3 piece kit is wired to the CPU via a single USB port. I can see how this would be a problem for someone who just wanted to say use the pedals only with another piece of hardware (like a CH yoke). It would have been nice if somehow they could have made it so that each piece could have been used individually, but without having 3 separate USB ports needed to run them all at once. (Maybe using USB connections to daisy chain them together?)
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#2861669 - 09/16/09 08:18 AM Re: Review: Logitech Flight System G940 [Re: Proost]
BeachAV8R Offline
Contributing Editor
Lifer

Registered: 01/22/01
Posts: 20326
Loc: Charlotte, NC USA
Originally Posted By: Proost
Howlong is ''the throw'' / movement of the stick in lenght, same as x52? (shorter or longer).


Hmm..sorry I didn't take a measurement. I've already boxed it up to send to another SimHQ staffer, or I'd measure it right now. But, just tooling around with my X52 right now..I'd take an educated guess that the G940 stick has slightly more throw to it.

One thing I didn't know about the stick that baffled me until I read something about it just now is that there is a sensor on the side of the stick that detects when your hand is on the stick (must be optical) and turns the FFB on while you are holding it, and off (or maybe neutral) when you are not. I've been reading that some people are putting a piece of tape over the sensor so that the stick always thinks your hand is on it. The reason (I think) for the sensor is so that if there is a sudden change of FFB parameters (say you get hit back flak and your aerodynamics change instantly) the stick, without your hand on it, won't jump and bang hard against the stops. I believe it is there to protect the hardware...but I'm not a real technical guru, so there might be other reasons too.

BeachAV8R
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#2861671 - 09/16/09 08:25 AM Re: Review: Logitech Flight System G940 [Re: BeachAV8R]
Damocles Offline
Member

Registered: 06/11/02
Posts: 1152
Loc: Inverness Scotland
I'm curious.

In the G27 review, the big deal, seemed to be the use of helical gearing for the Force feedback motors. This evidently prevented some of the "gear crunching" that had been an irritation, according to some reviewers and users, with the G25.

Why then use G25 technology for there latest offering, rather than use the newer G27 gearing ? I know it's more expensive, but it's not as if the G940 is cheap.

Is it because they plan on selling a G960 in 12 months time, if the G940 sells well enough ?

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#2861691 - 09/16/09 08:54 AM Re: Review: Logitech Flight System G940 [Re: BeachAV8R]
ijozic Offline
Member

Registered: 03/22/01
Posts: 118
Loc: HR
Originally Posted By: BeachAV8R
Hope that clarifies why I think they would be a worthwhile addition. It is worth noting the X52 rotaries have that center detent.


+1 for detents. The stick looks like a control stick from a fighter airplane, so I'd expect the knobs to be optimized for controlling radar antennas, etc. (one of the hat switches would be used for trimming).

Originally Posted By: jocko
I wonder if Logitech could have designed a sprung rotary that would allow toggling between having or not having a center detent.


I have it too on my G9. It would be a good compromise, though I find the feel of the mouse wheel to be too light without detents. Maybe they could add some screws to control the wheel stifness, too? smile

Quote:
Why then use G25 technology for there latest offering, rather than use the newer G27 gearing ? I know it's more expensive, but it's not as if the G940 is cheap.


Didn't the SimHQ review reveal some centering problems of the G27 (don't remember precisely what was causing it, but I think it was connected with the new FFB mechanism)? Maybe the technology is not yet without its quirks.

BTW, I see that the review doesn't mention that problem where the stick wasn't completely pitch centered in the neutral position, so I presume the problem is solved now?
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