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#3611437 - 07/22/12 11:08 AM Re: Gimbal design ***** [Re: AggressorBLUE]  
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VO101MMaister Offline
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Originally Posted By: AggressorBLUE


BTW; when does the force Feedback version come out? biggrin


Thanks man:)

I have given a lots of thoughts to a possible FFB design. From mechanical side, it would be quite an easy job. The bigger challange is hiding in the electrical design. I should find an expert who would cooperate to put a design together.

Inline advert (2nd and 3rd post)

#3611991 - 07/23/12 12:18 PM Re: Gimbal design [Re: VO101MMaister]  
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recoilfx Offline
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Oh man, please don't tease me with a FFB...

Last edited by recoilfx; 07/23/12 12:18 PM.
#3612086 - 07/23/12 03:19 PM Re: Gimbal design [Re: VO101MMaister]  
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Bluedeath Offline
BS 62 "Pegasus" CAG
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Originally Posted By: VO101MMaister
Originally Posted By: AggressorBLUE


BTW; when does the force Feedback version come out? biggrin


Thanks man:)

I have given a lots of thoughts to a possible FFB design. From mechanical side, it would be quite an easy job. The bigger challange is hiding in the electrical design. I should find an expert who would cooperate to put a design together.


If i remember correctly Leo Bodnar (don't kill me if is not him) done some experiment the real problem in the end turned out to be the software programming ,and the fact that is not possible to send different FFB signals in windows but all the peripherials will receive all the signals (or something like that)


"When you plan revenge best dig two graves" Confucius
"They who can give up essential liberty to obtain a little temporary safety, deserve neither liberty nor safety" Benjamin Franklin
#3612110 - 07/23/12 03:45 PM Re: Gimbal design [Re: VO101MMaister]  
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VO101MMaister Offline
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Well I am only using common sense, but is there any problem with using an existing controller+driver from an ffb joystick (MS ffb2) and attach stronger motors to it? Theorically some signal amplification could do the job. Mechanically only a right gearing is needed to put out the right deflection to the stick.

Anyway it is all just thinking for me. I don`t plan to start a new build in the near future. I will be glad enough if I can finally finish this one smile

#3612221 - 07/23/12 06:48 PM Re: Gimbal design [Re: VO101MMaister]  
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JAMF Offline
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Originally Posted By: VO101MMaister
Well I am only using common sense, but is there any problem with using an existing controller+driver from an ffb joystick (MS ffb2) and attach stronger motors to it? Theorically some signal amplification could do the job. Mechanically only a right gearing is needed to put out the right deflection to the stick.


Yeah, that should work (in theory smile ). Played with the same scenario in my mind, but with the original Wingman Force.

The nice thing about the FFB signal reaching all controllers; for a P-38 yoke I could attach the X
-axis motor from the Wingman to the Y-axis output (reversed) for a kind of push-pull setup on the Y-axis (ignoring the X-axis). The wheel of a Wingman Racing Force (converted to yoke) will handle the Y-axis.

In your situation, you could have two Sidewinders, reversing polarity on one of the sticks' motors and create a push-pull configuration on both axes. Double the forces. biggrin

#3613305 - 07/25/12 02:09 PM Re: Gimbal design [Re: VO101MMaister]  
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Brandano Offline
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Caput Mundi (well, it used to ...

#3637365 - 09/03/12 03:30 PM Re: Gimbal design [Re: VO101MMaister]  
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VO101MMaister Offline
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Hi Chaps,

as I described in the Pedal`s thread, the testing is delayed due to the lack of space and testbed, but it will change soon. Meanwhile I got my new reshaped CAM profiles for the stick.

Now I am pretty happy. I have 0 center feeling. On the first few inches there is only the damper`s resistance, and a very slight centering force. Literally the stick stays where I leave it. Then the centering forces build up exponentially, supplemented by a very smooth and strong damping. Maybe I will try a bit weaker spring on the aileron side. All in all it is pretty close to what I am used to in a real aircraft.


gimbal by csaba.moharos, on Flickr

#3643403 - 09/13/12 09:19 AM Re: Gimbal design [Re: VO101MMaister]  
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Baur Offline
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I was planning to make such a choice. Put their profile. And ... refused. The profile should be asymmetric. After the pedal you should know this. In various aspects of the movement stick is different in kg. I hope you were able to calculate the effort?

I apologize for my English.

I'm angry that did not give me a link earlier in this wonderful job ....

#3643426 - 09/13/12 11:40 AM Re: Gimbal design [Re: Baur]  
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VO101MMaister Offline
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Originally Posted By: Baur
I was planning to make such a choice. Put their profile. And ... refused. The profile should be asymmetric. After the pedal you should know this. In various aspects of the movement stick is different in kg. I hope you were able to calculate the effort?

I apologize for my English.

I'm angry that did not give me a link earlier in this wonderful job ....


Privet Baur!

It is good to see you, a great designer at this forum!
I made asymmetric CAM profiles for the gimbal as well. I used some geometric calculation to achieve similar forces in both directions. They are not 100% accurate, but they are quite close to it.

#3643571 - 09/13/12 03:07 PM Re: Gimbal design [Re: VO101MMaister]  
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Baur Offline
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Originally Posted By: VO101MMaister

Privet Baur!
Wow - great Russian language! smile
Originally Posted By: VO101MMaister
It is good to see you, a great designer at this forum!
I'm a simple guy like you. Aviation - our disease ...
Originally Posted By: VO101MMaister
I made asymmetric CAM profiles for the gimbal as well. I used some geometric calculation to achieve similar forces in both directions. They are not 100% accurate, but they are quite close to it.
That is good. I was asked about it. The problem is that the hand feels better. Feet on the pedals so you can not exactly count smile It was very difficult to make such a calculation!

I am amazed at the level of metal!

#3643603 - 09/13/12 03:55 PM Re: Gimbal design [Re: VO101MMaister]  
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Deadman Offline
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I am very interested in you stick design and how it may be incorporated in to my real unit


#3644019 - 09/14/12 05:00 AM Re: Gimbal design [Re: Deadman]  
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VO101MMaister Offline
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Wow Deadman!

That is quite a piece of art you have there. Is it from an A10?
By the way, it shouldn`t be a problem to use it with the gimbal, although the joints on the bottom (the white parts) would have to be removed.

#3644067 - 09/14/12 08:52 AM Re: Gimbal design [Re: VO101MMaister]  
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Chain Offline
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VO101MMaister, are you planning to sell these amazing devices at some point when you are happy with the functionality and feel?

#3644078 - 09/14/12 09:59 AM Re: Gimbal design [Re: Chain]  
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VO101MMaister Offline
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Originally Posted By: Chain
VO101MMaister, are you planning to sell these amazing devices at some point when you are happy with the functionality and feel?


It is possible, but I can`t promise anything yet.

#3644598 - 09/15/12 03:41 AM Re: Gimbal design [Re: VO101MMaister]  
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Deadman Offline
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HI yes the stick is out of an A-10A and the grip out of an F-16C so it is the same as in an A-10C
The whit half of the joint could be remove after establishing the correct pivot point with your system

#3645128 - 09/16/12 08:58 AM Re: Gimbal design [Re: VO101MMaister]  
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JG52Krupi Offline
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VO101MMaister, you are an inspiration to me.

When I get my own pad I am going to make my own kit as well biggrin

So far I have a Tarmac aces KG13 hooked up to my warthog and today I will be finishing off my spitfire spade grip wink

http://simhq.com/forum/ubbthreads.php/topics/3645133.html#Post3645133

Last edited by JG52Krupi; 09/16/12 09:10 AM.
#3659257 - 10/09/12 07:53 AM Re: Gimbal design [Re: VO101MMaister]  
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Sundowner.pl Offline
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Poland
I've seen the Boeing 737 cam design, but dismissed it as too complex for my use... never occurred to me to sit over it and simplify. Thank you VO101MMaister for inspiration, will try to work on it to get it fit into Cougar stick base with force trim unit. Hey if it's not hard, it's not worth doing, right ? thumbsup

#3659309 - 10/09/12 10:25 AM Re: Gimbal design [Re: Sundowner.pl]  
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VO101MMaister Offline
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Haugesund, Norway
Hi Sundowner,

Sounds like a nice engineering challenge to squeeze it into that small housing!
Good luck and keep us posted about your work!



About my project.

Currently I am tackling with a much bigger project in my free time (house renovation) so this one (and sims generally) is put aside for a while. The good thing is that afterwards I will have a dedicated place for my gear:) I will keep you updated when there is any progress!!!

cheers
MM

#3671911 - 10/30/12 08:30 AM Re: Gimbal design [Re: VO101MMaister]  
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Baur Offline
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Good luck! I'm also busy repairing flat :))

#3671998 - 10/30/12 12:30 PM Re: Gimbal design [Re: Baur]  
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VO101MMaister Offline
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Cheers Baur, same to you then! Isn`t it so much more fun than flying?:P

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