Hot answers tagged wheel
The largest wheels I know are these (I measured 110x63 mm, including tyres), but they are quite rare (only available in one single set): Weels: 22969 "Wheel Technic Racing" Tyres: 32298 "Tyre Power Puller" The wheels itself are not that big, but if you include the tyres, they are really huge: They would probably work really well for an RC car.
The largest wheels I've seen are "Wheel 81.6x15" 2903 To show scale: There are larger ones on the Hailfire Droid but these probably aren't good for your needs:
Here's what found after playing with all kinds of combinations. With this the three rovers will be at the same scale (about 1:5.8). This scale is small enough that the big rover (MSL) would not be a monster to build. The ratio is almost spot on and the only main problem is that the MSL wheels (the big ones) will have those big cleats. On the positive ...
It would probably be easiest to work out the which piece should be used for the biggest wheel. The largest wheel I could find came in the 8420 Technic model. Two of which can be used in tandem to increase the surface area of the wheel: Wheel Technic Street Bike (8420) The medium wheel could be a rather blocky Wheel 20 x 30 Technic, the 68.8 x 24 or the ...
An alternative is the 94.8x44 balloon tires. While they are not as big as the ones elusive suggested, I imagine they are easier to get as they have been in some recent sets. Comparison: Left: 81.6x15 Middle: 94.8x44 balloon Right: 81.6x38 balloon
There is also the Technic Gear Mobile Devastator Wheel, but it's not really suited if you want a realistic car. If you want to build a funny-looking vehicle, however... You could even build a complete vehicle which fits completely inside the radius of two such wheels, so that it can turn on itself when you reverse the polarity. Again, not a car, but super ...
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