As described in the product manual when MAX8 ESC, 6S application, you need to install extra capacitors.
External Capacitor Module (also called Cappack )Wiring
When using a 6S, if the capacitor temperature often goes above 85℃, you need to connect an external cappack (item sold separately) to the ESC, otherwise, the insufficient capacity of the on-board/built-in cappack may cause capacitors to swell or even explode and the ESC to work abnormally or even get damaged. Based on our test results, an external cappack is
needed by the following two types of vehicles.
External Cappack Wiring Diagram (as shown above). Connect a cappack to the ESC input end and ensure red/positive (+) to red/positive (+), black/negative (-) to black/negative (-).
A. The vehicle weighs really heavy, the total weight (battery, ESC, motor, steering servo and etc. included) exceeds 7KG, for example, CEG-GST.
B. The vehicle weighs not heavy, but the chassis is specially designed for running a super-high speed (over 100KM/H) like Traxxas XO-1.
Note 2: For the above two kinds of vehicles, we strongly recommend using our EZRUN MAX6 instead, because the MAX 6 has greater power output than MAX8.
- Watch Video tutorials here
Additional Note:
Extra, or "external" caps are optional items for some usage scenarios. Meaning simply, that "Not all" installs require the external caps, and many users dislike them being involved. Some builder are particular about different topics so optional installs are available.
Power caps, make the ESC 'work better' and provide added protection. If a vehicle is driven aggressively, the external power caps are more likely to be needed. There is no way to ever "really" know in a yes or no aspect, if any given combo "WIll work safely" as all topics from "how" it gets driven, the gearing, the basic information on "Everything" needs to be tested and known. Even then, one person, could have great luck with that same setup that another does not. Variables that are unknown by everyone involved tend to muddy up the waters.
In the though, sure it's easy to say "it should be okay". Things won't "Blow up" for no reason. Testing the vehicle on the bench, driving it carefully and gently the first few usages to "see" what happens, and check temps.
What is needed, or not needed, depends directly on the exact usage and the operator.
Max 5, with the extra caps, is the "biggest best" setup so to speak and "Should" provide the most headroom in regards to ESC topics.
We unfortunately do not have all the vehicles to confirm fitment or what is to be used. In the Hobby world, many simply 'make it fit', and use things that to us, should not fit. The Numbers of the motor are the size. ex. 4268, means 42mm diameter by 68 length. This is true of all the motors, first 2 digits are the diameter in MM, the next numbers are the Length in MM so you can check the motor mounting area of your vehicle to confirm.
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