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Pocket Rocket: World's fastest R/C car goes 161mph
You're looking at the fastest radio-controlled car in the world, built by Nic Case. Smashing records all over the place for radio controlled cars less than 3 feet long, he calls it the Pocket Rocket.
Is 161mph not fast enough for you? This pint-sized speedster is 30mph faster than the previous world record holder. Nic says his next trick will be to boost his Pocket Rocket to speeds in excess of 200mph.
Good lord! Get out of the way, everyone. How many scale miles-per-hour is that? It must look like it's about the break the sound barrier. Here's a peek at the little speedster's undercarriage:
PopSci via Gearfuse via Ubergizmo
By Glenno at 2:46 PM ON 07/07/09
Does it come with parachutes?
By StoneG at 5:59 PM ON 07/07/09
No video?
By Elios at 8:47 PM ON 07/07/09
there are 2 main scales for RC hobby cars
1/10 and 1/8
if its 1/10 1610scale MPH
for 1/8 its 1288scale MPH
By RCPro at 10:58 AM ON 07/08/09
Actually, speeds don't scale the same way the size does.
For 1/10 scale, the scaled speed is 509.13mph
For 1/8 scale, the scaled speed is 455.38mph
By rcpropro at 1:27 PM ON 07/08/09
I don't know what you formalae you're using, but you're probably scaling 'air' into the equation. That would be the correct way to scale for aerodynamic testing purposes.
But a simple scaled speed is just as Elios states, actual speed X scale factor. Remember scale is based on a dimensions, e.g. feet. So is speed, (displacement (feet) over time). You don't scale time, so the conversion remains linear.
By Osmooms at 7:02 PM ON 07/08/09
By RCPROPROPRO at 8:47 PM ON 07/09/09
Why do people continue to yap about scale speeds? Speed is a constant regardless the size of the object. The forces against the moving object stay the same size. So why on earth would anyone even bring it up?
By Mike at 6:04 AM ON 07/10/09
Yes, the forces remain the same. EXACTLY the point. Forces from _all_ directions, even the forces called gravity, centrifugal & coriolis. go ahead, take a mo & LTU. The resulting relational differences between the applied forces account for the 'scale speed' AKA "Geez, it feels a lot faster".
And, I bet that last sentence is higly appropriate, considering the looks of that underside!
By ryan at 12:22 AM ON 07/13/09
actually you do scale speed because a scale mile would be 1/10 or 1/8 the size of a actuall full size mile
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actually you do scale speed because a scale mile would be 1/10 or 1/8 the size of a actuall full size mile...More »