Elvas Tower: Steam Locomotive Wheel diameter - Elvas Tower

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Steam Locomotive Wheel diameter Rate Topic: -----

#1 User is offline   ATSF3751 

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Posted 08 October 2017 - 07:53 PM

Hey everyone,

So I have come up with an interesting issue. I have changed my Open Rails 261 steam locomotive to 74 inch drivers to the right diameter in the Eng file but the wheels are spinning way to slow for how fast it is going. I got it up to 40 MPH and it seemed like the wheels were only spinning for what it should be doing at 20 MPH. Has anyone encountered this issue as well or has Open Rails not implemented driver size in Inches for Open Rails yet?

Brandon

#2 User is offline   vince 

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Posted 08 October 2017 - 10:56 PM

Hi Brandon,

This is the section of a shape file that controls the
models animation speed, ie; the speed that the drive
wheels on a steam engine turn. Engine is PRR K-4
=======================================================
	)
)
animations ( 1
	animation ( 16 30 <===this is speed:smaller=slower 
		anim_node Box (
			controllers ( 0
			)

I believe the first number (16) is the number of frames. The second (30) controls the speed.
I fiddled with the speed (30) number until it looked right.
Originally the wheels looked like they were skating along the track.

regards,
vince

#3 User is offline   ATSF3751 

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Posted 09 October 2017 - 05:58 AM

Oh thank you Vince. I didnt even think about using the Eng file to fix this issue.

Brandon

#4 User is offline   B & O GUY 

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Posted 09 October 2017 - 07:41 AM

Brandon

That's not the Eng file he' showing. It's the uncompressed shape file and the entry is at the near very bottom of the file. Change the animation line from 16-30 to 16-60 and re-compress the shape file.

And while your doing that I have something else for you to think about. Guess what I found yesterday while digging through my old XP computer. Something I thought was lost forever. It's the most famous locomotive on the West Coast. And I know you want it. Guess what. Here it is. And it has real BOXPOC drivers. Not fake ones.

Attached Image: TheMostFamous.jpg

Let me know if you want her.

Allen

#5 User is offline   espee 

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Posted 09 October 2017 - 07:45 AM

Now that looks like a very nice FEF, and excellent find :)

#6 User is offline   farrmp 

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Posted 09 October 2017 - 10:41 AM

Oh Allen, Please Upload it to the Library here ---- Please!

Paul

#7 User is offline   ATSF3751 

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Posted 09 October 2017 - 10:53 AM

That is awesome Allen. I'm currently at work but will PM you later about it. I meant to put the S file not Eng file. My bad

Brandon

#8 User is offline   vince 

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Posted 09 October 2017 - 11:04 AM

You are welcome Brandon. Glad I was able to jog your memory.http://www.elvastower.com/forums/public/style_emoticons/default/bigboss.gif
@Allen
Nice engine Allen.
As an aside, I see many steamers modeled without proper quartering of the drive wheels. Hope yours is set correctly as a well modeled drive train is a joy to watch in action.

regards,
vince

#9 User is offline   B & O GUY 

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Posted 09 October 2017 - 11:33 AM

Vince

Years ago I would complain to people about what's the point of quartering a 3D steam locomotive when you can only view one side at a time. It's not critical or required to keep the drivers in synchronization like the real world or get mixed up as in a TT.N. HO, S, O model when a driver screw works it's way out. Is it that people want their models to be as visually perfect as possible? Or maybe they want their buddies to know how much they know about real steam locomotives.

Early on I did animate both sides the same. But all my later works (no matter how difficult or time consuming) are quartered, including this one.

Brandon

I'll await your PM.

Allen

#10 User is offline   bpratt 

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Posted 09 October 2017 - 12:09 PM

Brandon - Paul Gausden (Decapod) who wrote the Rod Animator Plugin for 3DC, says that you should always change the .s file Animation "(16 30) to (16 60)" after running the Plugin.

Bill

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