Quote:
Originally Posted by AntH
Never. It's complete and utter nonsense and don't let anyone convince you otherwise.
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And that's why virtually every top driver with every current buggy platform is using under-LiPo, under-servo, stick-on weights, bulkhead weights, why last year's Worlds winning car was specifically designed to incorporate pocketed brass weights all over the chassis, and why the off road aftermarket scene over the past 10 or so years has been dominated by weight products...
If you don't use weight properly you can negatively affect the handling of your car, but to say that weight is in no way beneficial under any circumstances is one of the most incredibly misinformed statements I've seen in a long time - professional engineers making championship winning platforms do tend to have a good grasp of physics! Weight is a huge part of balancing a car for the surface you're running on.
To the OP, sometimes the way you use weight is down to your own feeling of how the car is handling. For high grip, bumpy tracks, you'll tend to want to run a heavier car, as it helps keep the car a little more predictable. You can use under-LiPo weights in a similar way, if you're running in low grip with the shorty backwards, running an under-LiPo weight rearwards will help you get a little more traction - the car could become more prone to stepping out at the rear due to the pendulum effect though, so keep that in mind. In low grip you'd also want to think about removing any front weight you have to try and shift the weight bias rearwards as much as possible. If your car is jumping nose-up, adding some stick-on weights, or a brass bulkhead or similar will help greatly. Weight over the nose will make the car a little more lazy as mentioned, so it's a careful balancing act - you can end up with a car that jumps nicely but hooks suddenly mid-corner. It's all just trial and error to see what makes the car feel right for you, but it's definitely something that makes a big difference.