| [simpits-tech] new video. [message #2486] |
Sun, 25 September 2011 13:08  |
 Gene Buckle
Messages: 1067
Registered: January 2009 |
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This was taken last week - it's a demo of the PID controller that we
developed to control the mirror shape for the collimated display.
http://www.youtube.com/watch?v=q309MyEtc3A
g.
--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.simpits.org/geneb - The Me-109F/X Project
Some people collect things for a hobby. Geeks collect hobbies.
ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
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Political correctness is a doctrine, fostered by a delusional, illogical
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| Re: [simpits-tech] new video. [message #2488 is a reply to message #2487 ] |
Mon, 26 September 2011 06:47  |
Gene Buckle
Messages: 1067
Registered: January 2009 |
Senior Member
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On Mon, 26 Sep 2011, Brian Sikkema wrote:
> On 9/26/2011 5:08 AM, Gene Buckle wrote:
>> This was taken last week - it's a demo of the PID controller that we
>> developed to control the mirror shape for the collimated display.
>>
>> http://www.youtube.com/watch?v=q309MyEtc3A
>>
>> g.
>>
>>
> Very cool!
>
> Question. Why did you opt for the gear setup on the servo? Could you
> have just had it controlling the gate directly? Just curious, your way
> obviously works, too.
Brian, I was concerned about the friction increase due to air pressure.
By using a gear, I'm giving the mechanical advantage to the servo to
overcome the extra friction caused by air pressure pressing against the
gear. Even so, I've got a special "lubricated" surface sheet attached to
the top of the box that greatly reduces the friction between the gate gear
and the box top. It's almost teflon-like stuff. I got it from Matt W.
many years ago.
At some point a new bypass gate box will be built that incorporates some
sound damping material and a more efficient bypass gate system. For now
though, it gets the job done.
g.
--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.simpits.org/geneb - The Me-109F/X Project
Some people collect things for a hobby. Geeks collect hobbies.
ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://www.scarletdme.org - Get it _today_!
Political correctness is a doctrine, fostered by a delusional, illogical
minority, and rabidly promoted by an unscrupulous mainstream media, which
holds forth the proposition that it is entirely possible to pick up a turd
by the clean end.
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| Re: [simpits-tech] new video. [message #2489 is a reply to message #2488 ] |
Mon, 26 September 2011 13:33 |
phoenixcomm
Messages: 164
Registered: January 2009
Location: Fort Worth, Tx |
Senior Member |
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On 9/26/2011 8:47 AM, Gene Buckle wrote:
> On Mon, 26 Sep 2011, Brian Sikkema wrote:
>
>> On 9/26/2011 5:08 AM, Gene Buckle wrote:
>>> This was taken last week - it's a demo of the PID controller that we
>>> developed to control the mirror shape for the collimated display.
>>>
>>> http://www.youtube.com/watch?v=q309MyEtc3A
>>>
>>> g.
>>>
>>>
Too Cool Gene...
to bad I dont have the room for it anymore.... Btw you had the graphics
display taking to the Arduino
two questions.....
1. what was your comm? ethernet maybe?
2. how / what language did you write it in...
btw it would be cool if the Arduino supported a XVGA card.....(just a
thought)
Regards
Cris H.
phoenixcomm.wordpress.com
www.phoenixaerospace.us
www.flite-tronics.com
>> Very cool!
>>
>> Question. Why did you opt for the gear setup on the servo? Could you
>> have just had it controlling the gate directly? Just curious, your way
>> obviously works, too.
> Brian, I was concerned about the friction increase due to air pressure.
> By using a gear, I'm giving the mechanical advantage to the servo to
> overcome the extra friction caused by air pressure pressing against the
> gear. Even so, I've got a special "lubricated" surface sheet attached to
> the top of the box that greatly reduces the friction between the gate gear
> and the box top. It's almost teflon-like stuff. I got it from Matt W.
> many years ago.
>
> At some point a new bypass gate box will be built that incorporates some
> sound damping material and a more efficient bypass gate system. For now
> though, it gets the job done.
>
> g.
>
>
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| Re: [simpits-tech] new video. [message #2490 is a reply to message #2489 ] |
Mon, 26 September 2011 14:08 |
Gene Buckle
Messages: 1067
Registered: January 2009 |
Senior Member
Administrator |
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On Mon, 26 Sep 2011, Cris Harrison wrote:
> On 9/26/2011 8:47 AM, Gene Buckle wrote:
>> On Mon, 26 Sep 2011, Brian Sikkema wrote:
>>
>>> On 9/26/2011 5:08 AM, Gene Buckle wrote:
>>>> This was taken last week - it's a demo of the PID controller that we
>>>> developed to control the mirror shape for the collimated display.
>>>>
>>>> http://www.youtube.com/watch?v=q309MyEtc3A
>>>>
>>>> g.
>>>>
>>>>
> Too Cool Gene...
> to bad I dont have the room for it anymore.... Btw you had the graphics
> display taking to the Arduino
> two questions.....
> 1. what was your comm? ethernet maybe?
Serial @ 115200bps
> 2. how / what language did you write it in...
Delphi XE.
> btw it would be cool if the Arduino supported a XVGA card.....(just a
> thought)
There's a shield that will directly drive a VGA display, but for my
project, there's no point.
g.
--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.simpits.org/geneb - The Me-109F/X Project
Some people collect things for a hobby. Geeks collect hobbies.
ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://www.scarletdme.org - Get it _today_!
Political correctness is a doctrine, fostered by a delusional, illogical
minority, and rabidly promoted by an unscrupulous mainstream media, which
holds forth the proposition that it is entirely possible to pick up a turd
by the clean end.
_______________________________________________
Simpits-tech mailing list
Simpits-tech@simpits.org
http://www.simpits.org/mailman/listinfo/simpits-tech
To unsubscribe, please see the instructions at the bottom of the above page. Thanks!
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