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P85D Vs. Storm Runner Roller Coaster

3mp_kwh

Active Member
Feb 13, 2013
1,123
264
Boston
Ok, so while on line for this ride at Hershey Park, one gets to read:


  • "12.0 ton coaster weight"
  • "2.5MW" electric launch
About 208KW / Ton

Tesla PD's
  • 2.3 ton
  • 0.45MW (w/"L")
About 195Kw / Ton
  • 0-60, in 2.8-3.0 seconds

Dig deeper, and you find the coaster gives an equivalent 5MW launch, aided by nitrogen gas and oil compression ( Top tech roller coasters | Network World ).

"When we designed Storm Runner, we were looking to design a linear induction motor system, but we did the calculations and we were going to turn the lights on and off in Hersheypark," Bachmann says. "What we ended up doing is knocking the power consumption down by half by using nitrogen gas and oil to launch the 12-ton trains."

Pretty neat, that weight/power between the car and the coaster aren't that far apart. We chopped a second, from the P85 and 85D. All we need for another, is some nitrogen, oil and traction :biggrin:.
 

sorka

Well-Known Member
Feb 28, 2015
8,243
6,017
Merced, CA
That's 195kW / ton when it hits peak at 36 MPH otherwise the P85D would accelerate to 60 much faster if it could dump it's full power at 0 RPMs.


Where are you getting 195kW?

414KW / (4936 / 2000) = 168 kW / ton.
 
Last edited:

brianman

Burrito Founder
Nov 10, 2011
17,535
3,004
That's 195kW / ton when it hits peak at 36 MPH otherwise the P85D would accelerate to 60 much faster if it could dump it's full power at 0 RPMs.


Where are you getting 195kW?

414KW / (4936 / 2000) = 168 kW / ton.
Doing some quick math leads to 480 kW -- presumably referring the last tick on the power consumption meter on the instrument cluster.
 

sorka

Well-Known Member
Feb 28, 2015
8,243
6,017
Merced, CA
Ahh. I could see how someone might come to that conclusion looking at the dial. Of course it's too compressed with a 100KW of range covering just a few pixels.
 

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