Rchover Key Veteran Location: Helping Customers!
| david ,
I'm experimenting with 10 cells now with a hacker c40-9L , I have had some issues where the 40 amp ESC over heating, and I measured how many amp the heli is drawing and it draws about 15-25 amps, what I think the problem is , is that when I put on the canopy there is no airflow over the ESC , so you might want to becarful when you fly with the canopy on...I'm going to cut a larger hole to get air flow over the ESC and see what happends...I also am experimenting with differnt pinions to try to get the head speed in the 1900 range, I had the 16 tooth on today and I was still over 2000, I will be trying the 15t tomorrow.
I also would suggest that if you are exsperimenting with 10cells that you get a Ultimate BEC from cool flight http://www.koolflightsystems.com/products1.htm
this is good insurance if you esc cuts out
the 10 cell pack I'm using is a smaller cell 1700 pack to keep the weight down, I 'm trying to simulate the voltage of a future poly lith packs, when the poly lith packs become available they will be the weight of the 8 cell packs with the voltage of the 10 cell, and last 15-25 mins
Flight energy says they will be available in about 4 weeks
http://www.flightenergy.com/
I just recieved from kontronik a new twist 3300 and 3700(fun480) and smile and beat 40 amp esc to test also ...as I test them I will post which I like best..
One thing I think this heli needs is a boom support of some kind , I see in several eolos with to much vertical play and vibration. other than that this heli is awsome!!!
Jeremy |