It was an anticlimax to say the least when WL Toys finally launched their first factory brushless cars. Due to the cheap ESC but moreso the tall gearing they were plagued with issues of cogging - the stuttering of the motor as it struggles to move from pole to pole at low speeds and the loss of torque as a result. You can see this issue in my review of the Eachine EAT14 which has the same problem. WL Toys solved this problem with a hasty update to V2 with a shorter gearing and a higher kv motor. Here is the new 124017 V2 and 124016 V2 (it's hard to find the V1 any more) I've already written this article to show fixes based on parts available at the time but now I have a new fixed based on newly available parts from the V2 that should solve your problem for just $27 (or as cheap as $15 if you reuse your motor) . Read on and follow me as I "fix" my 124017 As per this article I have fixes for the cogging in the 124016, 124017 and Eachine EAT14 which have the shorter gearing that I prefer however they are not especially cheap fixes though remain my favourite in terms of performance. If you want to keep the improvement cheap and quick though there are 2 new options for you:
Installation guide The guide below is for option 2 but if you want to do option 1 you'll need to swap the motor mount and pinion from old to new. Time for a drive with no cogging and less stress on the electronics What performance can you expect? So you've swapped a low KV motor and large pinion for a high kv motor and smaller pinion. Top speed will be very similar - I measured 71km/h with this combo in my WL Toys 144010 review here. Acceleration will be sharper but most importantly the cogging will be gone. If you want to look at other motor and pinion combos I have written a list of alternative options here but nothing beats the V2 swap for simplicity and top speed for stock electronics. If you have a V1 this is a MUST DO mod. Parts used
If you are looking for a discount on this car, I will post any coupon codes or flash sales for it over here on my coupons and discounts page. Remember buying from any of these links supports my page without any cost to you and is appreciated especially since I don't ask for money via patreon and the like. If you want to get involved in this discussion, feel free to join the QuadifyRC Facebook Group Here or like my page below
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