Scalextric aerodynamics.
Scalextric aerodynamics.
Author
Discussion

Manks

Original Poster:

28,176 posts

246 months

Friday 28th December 2012
quotequote all
I bought one of these sets as a present for Christmas



The silver GT3 will corner faster than the GTR without spinning out. The most noticeable difference about the GT3 is that it has a bigger spoiler. Would this really make much difference on tiny model cars like this, or is there another factor at play?

DavidY

4,492 posts

308 months

Friday 28th December 2012
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Do they have magnets underneath, are they in the same position and at the same 'ride height'?

Manks

Original Poster:

28,176 posts

246 months

Friday 28th December 2012
quotequote all
DavidY said:
Do they have magnets underneath, are they in the same position and at the same 'ride height'?
No magnets as far as I know. Ride height? Don't know, but its not adjustable.

DavidY

4,492 posts

308 months

Friday 28th December 2012
quotequote all
I meant ride height as in the magnet height, but if there are none visible then that doesn't apply.

BTW they do have Magnatraction, so there are magnets in there somewhere, maybe these days they are within the shell. Its almost certain that this is causing the effect that you are experiencing, they are just in different positions for each car.

Magnatraction: A magnet mounted under the car is attracted to the steel guide rails of the race track giving the car incremental downforce and grip. This allows the car to stay on the track at higher speeds and gives improved high speed stability and cornering ability. The race is far more exciting as the cars speed around corners and accelerate away down the straights. The cars slow for corners more sharply too, giving the race real energy. But be careful, when the magnet looses attraction to the steel guide rails the car becomes a real handful!

Edited by DavidY on Friday 28th December 21:24

DavidY

4,492 posts

308 months

Friday 28th December 2012
quotequote all


Edited by DavidY on Friday 28th December 21:30

Fun Bus

17,911 posts

242 months

Friday 28th December 2012
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Manks said:
The most noticeable difference about the GT3 is that it has a bigger spoiler. Would this really make much difference on tiny model cars like this, or is there another factor at play?
My lad has the earlier version of the set you have - same track layout, with ramp but came with a Gallardo and 350Z. A short while after he had the set I bought him a kermit green GT3. The GT3 is the quickest car out of the three - driven right, nothing can touch it on any layout we make.

Subsequently, my lad always wants the GT3!

groomi

9,330 posts

267 months

Friday 28th December 2012
quotequote all
Aerodynamics can make a massive difference to slot cars, but not the tiny little spoilers you describe. You need something like these 'wing cars' to really see the effect:



Here's a link to some racing (note they don't have magnets): http://www.youtube.com/watch?v=hqnPdM7DM6U

Regarding your issue, as others have said it is most likely magnet position or could also be tyre/wheel related if one has a bent wheel or damaged tyre.

Manks

Original Poster:

28,176 posts

246 months

Friday 28th December 2012
quotequote all
Fun Bus said:
Manks said:
The most noticeable difference about the GT3 is that it has a bigger spoiler. Would this really make much difference on tiny model cars like this, or is there another factor at play?
My lad has the earlier version of the set you have - same track layout, with ramp but came with a Gallardo and 350Z. A short while after he had the set I bought him a kermit green GT3. The GT3 is the quickest car out of the three - driven right, nothing can touch it on any layout we make.

Subsequently, my lad always wants the GT3!
Why is it quicker then?

Fun Bus

17,911 posts

242 months

Friday 28th December 2012
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If it's not aerodynamics I don't know!

russy01

4,823 posts

205 months

Friday 28th December 2012
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Magnets, COG, Weight.

Wing will make next to no difference. Time some laps and then whip it off for a comparison.

OllieC

3,816 posts

238 months

Friday 28th December 2012
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track / wheelbase, C.O.G. ?

I was always gutted that my scalextric sierra cosworth was so slow, it appeared to be very top heavy

richwig83

15,553 posts

162 months

Friday 28th December 2012
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Maybe the chap who span his GTR into a field should have bought the porker instead, based on your findings. ;-)

Manks

Original Poster:

28,176 posts

246 months

Friday 28th December 2012
quotequote all
russy01 said:
Magnets, COG, Weight.
.
Can these things be optimised? Or are they set in stone? (okay plastic)

Ray Luxury-Yacht

8,918 posts

240 months

Friday 28th December 2012
quotequote all
groomi said:
Here's a link to some racing (note they don't have magnets): http://www.youtube.com/watch?v=hqnPdM7DM6U
Lol, bloody hell, that's ridiculous! biggrin Where's the fun in that??!!

HoHoHo

15,379 posts

274 months

Saturday 29th December 2012
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Ray Luxury-Yacht said:
groomi said:
Here's a link to some racing (note they don't have magnets): http://www.youtube.com/watch?v=hqnPdM7DM6U
Lol, bloody hell, that's ridiculous! biggrin Where's the fun in that??!!
Not really Scalextric is it to be honest!

They appear to be traveling so fast it's simply a matter of hold the trigger and go for it.

Podie

46,647 posts

299 months

Saturday 29th December 2012
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Undo each screw a quarter turn...

y2blade

56,265 posts

239 months

Saturday 29th December 2012
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DavidY said:


Edited by DavidY on Friday 28th December 21:30
correct.

Mid corner grip varies between two (exactly the same make/model) cars in my experience...I'm a big kid with Scalextric biggrin

Ours is getting set-up tomorrow, we always set it up over the christmas break.

DIW35

4,195 posts

224 months

Saturday 29th December 2012
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Tyres can make a difference too. It's possible to buy sets made of silicon which can provide extra grip. Cleaning the tyres can also make a difference. To do that just get a roll of duct tape, pull back a length around the roll so the sticky side is up, and then roll the cars tyres over it. You'll be amazed at how much black crap comes off them.

IainW

1,631 posts

199 months

Wednesday 2nd January 2013
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I've got an Audi TT and Boxster set and I do notice one car handles better than the other. Must be the magnet placement.

It's boring when they're too grippy anyway. biggrin

Manks

Original Poster:

28,176 posts

246 months

Wednesday 2nd January 2013
quotequote all
IainW said:
I've got an Audi TT and Boxster set and I do notice one car handles better than the other. Must be the magnet placement.

It's boring when they're too grippy anyway. biggrin
Yesterday the grippier of the two cars - the Porsche - had the tail out quite a lot, which was fun. Now speaking personally, I find catching oversteer tricky enough in real life but at Scalextric speeds...