Liquid Mad, my new WhipLash 20

[Raydee]

Guys I tested my 1515 1Y in the boat today and the results were pretty much the same as before. With a X640 prop the boat was really slow at 47mph. With a X642 I was getting top speeds of 49.8 mph and with a M445 I was getting speeds of 52.6mph (5-7 mph slower than my Hacker 7XL and a X642 prop) and after 1 min 15 seconds the temps were 122 on the motor, 97 esc and 121 on the cells. I was going to try a M645 and see how it does but it was getting late so I called it a day. I want this motor to work for me so bad I am going to leave it in for another test run tomorrow and see if I can find a prop that will load the motor just right and still not set any fires. I have found with my Larger Neu motors that when you are not running enough prop the boat seems to struggle and make everything run hotter than normal. I was aslo going to bump the timing up some but I will save that for dead last and see if it helps me any. With such a small difference in KV compared to my Hacker motor I highly doubt the KV is the issue but who knows.

[andym]

Hey guys just got back from my second testing session with the Whip, 59.7 mph best speed, this was achieved with a Taipan small turn fin, m645, 1515 1y , hydra 240, PQ 4s 5000mha 1p. Temps are on the limit with motor 128 , esc 125 and packs 135 deg F. It was rock solid with the strut set at 17mm 0 deg and just a bit of angle on the fin to hold her down. Tried with the fin 0 deg and she got to loose and over she went. Put fin back to approx 1 deg and ran fast and rock solid over everything. Turns are full throttle and stable no kicking or spinning. It takes a leap of faith to turn her in sharp on the small pond at 59mph but once I got used to it no probems. I think when we hit the large lake this afternoon it will smash 60mph with this set up.
Cheers
Andym

[Raydee]

Very nice Andy. I sent my 1515 1Y back to Steve Neu to see why it isn't up to par. I hope to get it back in my hull before the weather turns. For now my Whiplash is ripping pretty good with my Hacker 7XL motor.