Which is Best: 2WD or 4WD? Traxxas Slash Short Course TrucksMar 18, 2022
Like the full size rc car models they are also offered in two wheel drive and four wheel drive options that is why we can have these two
slashmodels then they look identical but they are not,
whichis why today we are going to discuss a two wheel drive and a four wheel drive models why you would want one over the other and ultimately
bestso in the rc world when we talk about a model of two wheel drive in a four wheel drive model we are just talking about how many wheels are attached to the drivetrain and it turns under acceleration and slows down under braking so when we mean a two wheel drive model , almost always on rc models it's a rear wheel drive model so only the rear wheels get power not the front although there are some front wheel drive rc models but less common and almost always off road models tera so we're not going to discuss that today but on the four wheel drive side uh in the full size car world they refer to them as all wheel drive sometimes
trucksthey still call them four by four but for rc models a four wheel drive model has all four wheels connected to the drivetrain it drives under acceleration and stops under braking one of these models is a two wheel drive model and one of them is a four wheel drive model they look the same but underneath they are very different models and they have very different features when you go out and use them and they also have different features in your wallet when it comes time to keep them so I'll go in first with the 2 wheel drive model which is this so here's the 2 wheel drive
traxxasthis is a pretty basic design as are most 2 wheel drive models so what e mechanically not much to do it's just here at the rear of the model we have our electric motor that drives this transmission and there's a differential down there so we have a differential action and then that differential has driveshafts that drive each of the tires in the back here we have a traxxas 4x4 so this layout is a little more complex than the two wheel drive but essentially here is our motor which then feeds a central driveshaft so this driveshaft distributes that single source of power to two ends of the model so at the rear we have a differential again so we have a differential at the back and that differential is connected to the driveshafts that drive those shafts now, if we follow this center driveshaft to the front, we will find that these four four wheel drive
truckshave a second differential in The front end with another set of driveshafts driving the front tires, okay, so what does it all mean, and why should you care more about two-wheel drive on a four?
The four-wheel drive model is reduced to its two-wheel drive model, which is rear-wheel drive, the rear tires push in the four-wheel drive model, it not only pushes the rear tires, but also has the front tires that are always pulling you have this push-pull s situation it generates a lot of traction its a system that wants to be continually in motion instead of getting stuck so in really loose situations sand mud rough terrain where there are obstacles and rocks to go over on top of a four wheel drive model that generates more traction will always excel in those conditions a two wheel drive model performs great with those rear wheels pushing but not in all situations muddy sand mud the model just doesn't generate the same amount of traction and that is why the rear tires will just end up spinning digging holes and sinking the same can be done ie when it's time to apply the brakes on a two wheel drive model when you're trying to slow down and you want to apply the brakes it's just the rear tires doing the work on all four four wheel drive model you have all four tires applying same force generating a lot of traction and can stop quicker four wheel drive models generally have more control but not all is rosy and butter flies for four wheel drive models here for one the models with four wheel drive have a lot more mechanical parts when it comes time for maintenance you have a lot more parts to wear you have a rear diff you have a front diff you have rear driveshafts and front driveshafts you have a center driveshaft there are a lot more parts on a four wheel drive model they wear out and need to be replaced more front on a two wheel drive model you only have the rear to worry about there not being as many parts and because of that the maintenance requirements are more expensive on a four wheel drive model also because of those extra parts on the four wheel drive model four wheel drive models are almost always heavier than the two wheel drive counterpart, so when you think about it, a four wheel drive model will be heavier, it has more parts the drivetrain just has more mechanical parts which leads to more rolling mass, rotational mass and overall weight so typically a four-w heel drive model puts more stress on the system there is more strain on the transmission there is more strain on the motor there is more strain on your electronic speed control and there will be more strain on your lipo battery or your nimpac it is especially common for men who use an r 4 wheel drive
shorthaul to plump up your liposuctions doesn't happen as much with the 2 wheel drive truck in general a 4 wheel drive model is generally more expensive the initial cost for that 4 wheel drive cut wheels is more than the two wheels and then the maintenance and repairs along the way of replacing worn parts will also be more expensive not because four wheel drive parts are more expensive just because four wheel drive has more parts than you'll need to buy and then we don't even talk about front tire wear where as you can imagine on a four wheel drive truck the front tires as you push the model forward will wear out significantly faster er than on a truck with two wheel drive so in the end each platform has its pros and cons, four wheel drive will give you great control but there's more upfront cost and there's a greater amount of stress on your electronics and with both If you don't mind the little sacrifice and traction you'll have a great rig that's easy to work on, costs less to maintain and it will be less stressful and strenuous on your electronic devices.
Hope you guys enjoyed this video. on two wheel drive and four wheel drive platforms, if you have any questions for us, please leave them below, and if you want more information, check out our links as well.
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