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Author Topic: 2dof sim  (Read 1363 times)

Offline PJ_Godzilla

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2dof sim
« on: August 17, 2014, 08:57:42 PM »
I took some extended family and kids to the Chicago museum of science and industry yesterday. They have some nice 2dof (pitch and roll) simulators there. My nephew and I burned a few rounds there. They charge 10 bucks a ride so it's just good fun.

Anyway, this got me to thinking, has anybody "gone there" in Ah? Yes, it would be a significant project, but I also suspect a lightweight 1man 2dof capsule could actually be built. Probably actuation is what would drive cost but I suspect feeding the data to the actuation would be the technically tricky part.

We do similar at work in some of the dyno testing... I used to run some of that back in my technical days... Anyway, I'm just curious. It strikes me as the ultimate.

Btw, best sortie for the kid and I in the f16: 7 kills... But they make it too easy with the AMRAAMS .
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Offline Zerstorer

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Re: 2dof sim
« Reply #1 on: August 17, 2014, 11:03:36 PM »
I have a cockpit...but no motion.

Yet.  :D
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Offline MrRiplEy[H]

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Re: 2dof sim
« Reply #2 on: August 18, 2014, 12:26:49 AM »
A motion simpit is not worth the trouble because it won't feel anywhere near realistic without having a full g-force simulation implemented. It just would feel stupid to engage in a turn fight and start pulling g's and instead of being pushed deep in your seat you would hang cumbersomly and probably painfully on your side. Same thing for acceleration/deceleration, you would feel them just as much as you feel now in your stationary simpit.
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Offline Zerstorer

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Re: 2dof sim
« Reply #3 on: August 18, 2014, 07:20:46 AM »
Quote from: MrRiplEy[H] on August 18, 2014, 12:26:49 AM
A motion simpit is not worth the trouble because it won't feel anywhere near realistic without having a full g-force simulation implemented. It just would feel stupid to engage in a turn fight and start pulling g's and instead of being pushed deep in your seat you would hang cumbersomly and probably painfully on your side. Same thing for acceleration/deceleration, you would feel them just as much as you feel now in your stationary simpit.

Oh I know.  I just think it would be neat to throw one together one day as a project.  Probably won't ever get around too it...
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The Once and Former Fulcrum

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Offline PJ_Godzilla

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Re: 2dof sim
« Reply #4 on: August 18, 2014, 08:20:39 AM »
Of course you're right. However, even using the 1g available to you is still one hell of a lot of fun. I'll probably never get to it either since I've got at least 2-3 years of work at work and projects at home. It sure would be neat, though.
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Offline Ack-Ack

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Re: 2dof sim
« Reply #5 on: August 18, 2014, 04:23:33 PM »
Quote from: MrRiplEy[H] on August 18, 2014, 12:26:49 AM
A motion simpit is not worth the trouble because it won't feel anywhere near realistic without having a full g-force simulation implemented. It just would feel stupid to engage in a turn fight and start pulling g's and instead of being pushed deep in your seat you would hang cumbersomly and probably painfully on your side. Same thing for acceleration/deceleration, you would feel them just as much as you feel now in your stationary simpit.

Back at the '98 Warbirds Con, there was a guy from Alaska that built and sold motion sim pits that used the guts of a CH Force FX motors and gears along with an Epic game card for the motion simulator.  While you couldn't feel any G's, it was hardly a 'stupid feeling' to engage in a turn fight, it was incredibly immersive and brought the game up to a whole new level.  

ack-ack
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Offline Vulcan

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Re: 2dof sim
« Reply #6 on: August 18, 2014, 05:19:34 PM »
Quote from: PJ_Godzilla on August 17, 2014, 08:57:42 PM
Anyway, this got me to thinking, has anybody "gone there" in Ah?

Yes, with a bottle of rum. Best motion simulator ever.
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Offline PJ_Godzilla

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Re: 2dof sim
« Reply #7 on: August 18, 2014, 06:57:46 PM »
Up 'til the point you yack. I have to say, Vulcan, you're kind of grouchy and skeptical but  imaginative and "unboring". I'd call you my kind of scum but I'm sure that'd get me a torrent of invective. Nonetheless, I'm liking your direction here.   :salute
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Some say revenge is a dish best served cold. I say it's usually best served hot, chunky, and foaming. Eventually, you will all die in my vengeance vomit firestorm.

Offline PJ_Godzilla

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Re: 2dof sim
« Reply #8 on: August 18, 2014, 07:02:34 PM »
Quote from: Ack-Ack on August 18, 2014, 04:23:33 PM
Back at the '98 Warbirds Con, there was a guy from Alaska that built and sold motion sim pits that used the guts of a CH Force FX motors and gears along with an Epic game card for the motion simulator.  While you couldn't feel any G's, it was hardly a 'stupid feeling' to engage in a turn fight, it was incredibly immersive and brought the game up to a whole new level.  

ack-ack

Exactly... In that f-16 sim, even though you're only going to ever feel 1g, when you start turning hard - especially in a downward spiral to line up that turny Mig-21, it feels like nobody's bidness. Split-essing reminded me of an old movie I once saw in which the LW pilot's Iron Cross was hitting his chin. I have a fairly heavy celtic cross given to me by my mother years ago and it was interfering with my view. I was sweating when I came out of there - and paid again to go back in.
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Some say revenge is a dish best served cold. I say it's usually best served hot, chunky, and foaming. Eventually, you will all die in my vengeance vomit firestorm.

Offline The Fugitive

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Re: 2dof sim
« Reply #9 on: August 18, 2014, 07:14:14 PM »
Check this one out http://mydreamflyer.com/

Youtube also has bunches of videos of home built 6-dof platforms
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Offline PJ_Godzilla

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Re: 2dof sim
« Reply #10 on: August 18, 2014, 08:06:19 PM »
It's nice -but only +/-15deg on both axes.
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Some say revenge is a dish best served cold. I say it's usually best served hot, chunky, and foaming. Eventually, you will all die in my vengeance vomit firestorm.

Offline Arlo

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Re: 2dof sim
« Reply #11 on: August 18, 2014, 08:52:28 PM »
Quote from: PJ_Godzilla on August 18, 2014, 08:06:19 PM
It's nice -but only +/-15deg on both axes.

Only? Heh. That's enough.  ;)
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Offline BaldEagl

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Re: 2dof sim
« Reply #12 on: August 18, 2014, 11:49:42 PM »
Quote from: The Fugitive on August 18, 2014, 07:14:14 PM
Check this one out http://mydreamflyer.com/

Youtube also has bunches of videos of home built 6-dof platforms


I was trying to find that one last night but couldn't find it.
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Offline Vulcan

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Re: 2dof sim
« Reply #13 on: August 19, 2014, 04:05:18 AM »
Quote from: BaldEagl on August 18, 2014, 11:49:42 PM
I was trying to find that one last night but couldn't find it.

Try this one: www.jackdaniels.com
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Offline PJ_Godzilla

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Re: 2dof sim
« Reply #14 on: August 19, 2014, 05:59:21 AM »
Quote from: Arlo on August 18, 2014, 08:52:28 PM
Only? Heh. That's enough.  ;)

I wonder... It would be nice to try one out. Some dude named Noon had a full 180 degree roll machine, but it looks like that dried up about a decade ago. It also was a good deal more expensive and relied on a mount that could react the fairly considerable force generated (2500 pounds, up to, iirc). This one looks good, is more affordable, and doesn't require input power. There are also powered platforms, looks like, with similar levels of displacement.
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Some say revenge is a dish best served cold. I say it's usually best served hot, chunky, and foaming. Eventually, you will all die in my vengeance vomit firestorm.
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