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Quark durability test -
07.30.2006, 02:23 PM
will say that the Quark is my favorite controller so far. It has many features, including a built in LVC for the Lipos. This controller is also smooth as butter, and works with 4 pole motors(unlike BK). The Quark monster pro is a step above Shulze for smoothness as well(Shulze is similar in smoothness to the BKs in my experiance - perhaps slightly better, while the Quark is superior to both). Another benefit to the Quark so far has been their prompt, attentive service. I have seen 2 failures, which were replaced with no questions asked(within days - not weeks or months).
The only disadvantages to the Quark in my opinion are the lack of reverse braking(engages forward immediately if running in reverse and changing directions) - this doesn't bother me a whole lot, as I prefer to drive forward anyways and only use revers occasionally to back out of trouble. The Quark could also use a larger heatsink built into the case.
I did some pretty serious testing yesterday at the track with the Quark. I did take some preventative measures regarding heat - I milled my own custom rear g-maxx upper extension plate that incorporates a 3/8" heatsink built into the bottom of it, with a 40mm fan blowing across the controller and heatsink.
I ran a total of nearly 2 hours - almost non stop in the 90 degree NY sun, without a thermal - I actually was trying to thermal it near the end of the day, but was unsuccessful! A simple heatsink and fan makes a huge impact, as many already know. My setup was a Neu 15151.5y motor(4 pole, 2200Kv) mated to my -soon to available- "slipperential" setup on the extended g-maxx truck. Testing was done with the body on, on a race track. The truck is a little over 10 pounds RTR and was geared for low-mid 30s(plenty fast - almost too fast for the track). The motor and controller never exceeded 145F through it all. The Maxamps 8000mah 2s packs(2 wired in series) provided excellent punch and about 25 minutes of race runtime. I also ran some A123 Lion packs for testing in between the 8k mah 4s packs. These will likely be a product available soon from RC-Monster, along with the Neu motors(these motors are top notch - after nearly 2 hours, my motor never exceeded 145F on a hot day - a testament to their efficiency).
Joe (Batfish)was with me and assisted in the testing, along with piloting my race rig for 30 or so minutes.
In conclusion, the Quark deserves some serious reognition for their outstanding product and customer service. I would not hesitate to recommend the monster Pro controller from Quark. With proper cooling measures and setup, it is AWESOME. :)
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