Author Topic: hk70 amp esc  (Read 350 times)

Offline LawnDarts

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hk70 amp esc
« on: February 23, 2012, 04:24:01 PM »
ok folks .. i was stupid .. i didnt look around enough to see that the hk70 amp esc is a worthless pile of trash..
iam out the money and all i can say is if you read this and you are goin to buy one DONT DONT DONT .. you will be more ticked off that you did and didnt wait to buy a better one ...

so now my 500 sits for god knows how long unless someone wants to buy it .. sell it cheap ..


B400  : HK500GT

Offline icecycler

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Re: hk70 amp esc
« Reply #1 on: February 23, 2012, 06:38:00 PM »
Which one are you refering to LD, whats givin you the grief?


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Tools, Tools, Tools gotta have Tools. Without Tools The World Would Not Be Like it is Today!!!---------- Laugh A Lot Everyday, Life is too Short To Be Grumpy!!!-------Exercise Your Brain Build and Fly R/C!!!

Offline LawnDarts

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Re: hk70 amp esc
« Reply #2 on: February 24, 2012, 03:47:24 AM »
http://www.hobbyking.com/hobbyking/store/__10015__Hobbyking_SS_Heli_Series_70_80A_ESC_w_UBEC.html

this is the one.. but i sat there looking at the heli and figured i would try a few things..
what i did was i had some older 25 and 35 amp smaller ESCs for like 300 size helis ..
said mmmmm theres my power soruce for the reciver..

as the HK esc wasnt giving power to the reciver becuse it wouldnt arm . just sit there beep for like 6 to 8 times was to fast to count .. even with throttle at full for 3 cycles of the beeps .. so i fired up the little esc plugin it in the battery plug on the reciver and bingo .. i got full control of the esc back ..

now it does get hot around 120 if i had to guess."battery dead in the temp gun" "GRRRR" lol ...not sure if its normal as i was just hovering only 4 to 5 foot off ground. so as iam stuck with the esc as iam sure HK not even worth the headaches to deal with .. and they wont replace or by the time to get it done months ..

unhookin the 2 wires in the plugs to not push power or signel from the escs..
now i just have to find the specs for the turnigy motor as the ESC has pulse width modulation on it .. 8 and 16KHz

i think for now ive learned. its worth the little extra to order from a company with customer support that works .. you get what you pay for ..
B400  : HK500GT

Offline icecycler

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Re: hk70 amp esc
« Reply #3 on: February 24, 2012, 08:12:00 AM »
LD try using the online support on the HK website. I used it on Monday regarding issues I had with a AE45a ESC. All they needed was the order # and then they gave me a RMA # to send it to Washington state for evaluation. You don't have to send it back to China for service evaluation and or replacement. Hope this helps.


Ice    :freezing:

Tools, Tools, Tools gotta have Tools. Without Tools The World Would Not Be Like it is Today!!!---------- Laugh A Lot Everyday, Life is too Short To Be Grumpy!!!-------Exercise Your Brain Build and Fly R/C!!!

Offline LawnDarts

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Re: hk70 amp esc
« Reply #4 on: February 24, 2012, 04:19:57 PM »
yeah i sent a ticket in from the support site . but being the weekend or what have you . who knows ..

i think as i sit here . i will see what they say . and in sametime look for a new esc . LHS has a HV85 i think it is from castle . but its like $170 .. cost more then the whole heli lol
B400  : HK500GT

Offline pinguin6218

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Re: hk70 amp esc
« Reply #5 on: February 25, 2012, 12:56:09 AM »
Could it be the throttle is not all the way down or you need to reverse the throttle channel?
On Futaba radio, mostly you need to reverse the throttle channel.
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Offline LawnDarts

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Re: hk70 amp esc
« Reply #6 on: February 25, 2012, 06:50:15 AM »
spec radio . and i did the trim all down all up . its just a bad one .. i have had nothing but issues with HK and there stuff... guess its a sign lol
B400  : HK500GT