RC-Monster Forums  

Go Back   RC-Monster Forums > Support Forums > Brushless

Reply
 
Thread Tools Rate Thread Display Modes
0 - 100 kph in 1s, can it be done?
Old
  (#1)
JoFreak
RC-Monster Carbon Fiber
 
JoFreak's Avatar
 
Offline
Posts: 447
Join Date: Feb 2009
Location: Munich
0 - 100 kph in 1s, can it be done? - 01.11.2011, 09:44 AM

A fellow student asked me today if I had any experience in terms of RC cars.
I said I did and was in for a shock.
His brother and a group of people form another university seemingly started a project to build a RC car that can do a 0-100kph(~60mph) sprint in 1 second.
They have a good set of machines (CNC and so on) and a budget of a few thousand euros.

Do you guys have any ideas/prognosis if it can be done and maybe even some ideas on the how part?

There seem to be no limitations what so ever. Just the acceleration and it has to be radiocontroled.
Not sure that strapping a big rocket to a set of wheels and ignite it via remote control counts though

I'm thinking BL (need the high torque right from the start I would imagine), HV, 4WD?
Weight put in the front, aerodynamic body that generates downforce in the front? rear? everywhere? Fans in the underbody of the car like they did in F1 a long time ago?
Ultra fast servo with extremely precise gyro to compensate any steering influences, because in that short time, there is no way a human could react quick and precise enough while the car is accelerating as hard as it is needed to.

Let your mind roam freely, I think at this point there are no bad ideas.
Or is this old news and has been done ages ago?
   
Reply With Quote
Old
  (#2)
Arct1k
RC-Monster Mod
 
Arct1k's Avatar
 
Offline
Posts: 6,597
Join Date: Apr 2007
Location: NJ
01.11.2011, 09:51 AM

Check out rc dragsters...
   
Reply With Quote
Old
  (#3)
nativepaul
RC-Monster Aluminum
 
nativepaul's Avatar
 
Offline
Posts: 522
Join Date: Jan 2007
Location: Sussex, England.
01.11.2011, 10:19 AM

A drag rail can do it, SunnyHouTX is into drag racing and posted this slip a while ago

total time 1.404 seconds - .441 seconds reaction time = 0-89.7mph (144.4kph) in .963 seconds of acceleration time. I think it requires a prepared drag strip to do it though and I'm not sure if that matters to you or not.


Hot Bodies Lightning 2 Pro carbon, Mega 22/30/2, MMM, 4s3-5Ah.
Tamiya F201 carbon, Mamba 7700, MM, 2s A123 2.3ah.
Xray XT8, 1518, MMM, 4s5Ah.
Lots of boats.
fastelectrics.net
   
Reply With Quote
Old
  (#4)
snellemin
2 KiloWatt RACER
 
snellemin's Avatar
 
Offline
Posts: 2,496
Join Date: May 2007
Location: Houston
01.11.2011, 10:59 AM

RC dragster do it, which are 1/10 scale vehicles on prepared tracks and perfect setup. It's not something you can achieve overnite.


6 KiloWatt A123 Racer
GTP-Pletty Big Maxximum+RX8. GTP-C50-6L Hacker+RX8. CRT.5-Pro4+ZTW esc.
24s2p EVG SX 49.6mph Ebike.
18s4p Raptor 60mph Ebike. 11.5KW
   
Reply With Quote
Old
  (#5)
BrianG
RC-Monster Admin
 
BrianG's Avatar
 
Offline
Posts: 14,609
Join Date: Nov 2005
Location: Des Moines, IA
01.11.2011, 11:00 AM

And IIRC, that 0.441 reaction time was due to some tree delay or something. His actual reaction time was less than that. His speed of 88mph is 141km/h, and he did that in ~1 sec, so to get to "only" 100km/h (62.1mph), it should take around 700ms assuming the acceleration is linear (probably not).
  Send a message via Yahoo to BrianG Send a message via MSN to BrianG  
Reply With Quote
Old
  (#6)
snellemin
2 KiloWatt RACER
 
snellemin's Avatar
 
Offline
Posts: 2,496
Join Date: May 2007
Location: Houston
01.11.2011, 11:05 AM

Brian, near linear is possible with the right motor and ESC settings. Tire slippage, Ballooning, tire compound, and wear down the track should also be taking into consideration.


6 KiloWatt A123 Racer
GTP-Pletty Big Maxximum+RX8. GTP-C50-6L Hacker+RX8. CRT.5-Pro4+ZTW esc.
24s2p EVG SX 49.6mph Ebike.
18s4p Raptor 60mph Ebike. 11.5KW
   
Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On

Forum Jump







Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2025, vBulletin Solutions Inc.
vBulletin Skin developed by: vBStyles.com