I approve of their default prop choice!

Humor aside, it looks like a sensible combo of components. I'm not sure if they have a target airframe (or I just didn't notice it).

anyone have experience or comments on the hacker brand?  

I don't have personal experience, but I understand (from internet forums) that it is a reputable brand---e.g. the manufacturer's kV's are nominally correct and the motor components are good quality.

My main question is the airframe that the system is targeted towards. I think it is a little oversized 9(weight-wise) for Nobler-sized planes or smaller, but for larger planes (classic 46 or so) it probably is just fine. Others who have more experience with larger planes might be able to chime in here!

I wonder how it would go in a full-sized Shark! I am looking fondly at a  RSM Shark 35 for my type of setup.

The only question mark I see is their ESC - and that only because I have not heard of anyone using it in ECL.  Hacker makes quality stuff - I'm sure its fine.

My SWAG is that the system looks like a 45 sized equivalent.  Should be fine in a Shark 45, or most of the large RSM kits.

From my experience, with electric carrier and the people at my flying site that have electric stunters,  this looks like a reasonable setup. It's interesting that someone is finally selling a "stock" system. Should make it easier for people who have not used electrics to get started.

Just a random comment but I don't see an arming plug. With this sized system I don't think I would fly without one. There is enough power here to be a problem if it starts unannounced. Arming plugs just make things easy and much safer.

Everything I have heard about Hacker products has been positive. They are well established and reliable.

Bob

I worked with Eric Rule to provide a custom timer for this "turnkey" electric propulsion option, starting with his choice of the Hacker motor and Hacker ESC and prop. Initially, looking for the simplest and most user-friendly system, he suggested a timer that would only use 9100 RPM as the governed RPM for a fixed flight time of 6:20. We ended with a custom timer that can be adjusted (via two onboard pots) from 9100 to about 9900 RPM and for flight times from 2:05 to 6:20. Because I measured the (switching) BEC voltage from the Hacker ESC to be slightly greater than the power supply of 5.5 volts specified for my microcontroller (see previous thread), I customized the timer to include a dropping diode.

Eric didn't include an arming plug, which I recommend. However, all the timers I supply have the start button remoted so that they can be mounted  on the outside of a fuselage airplane. The motor can't start until the ESC has received a few seconds of throttle "off" pulses (1.0 ms) from the timer, and then not until the start button is pushed.

As usual for my timers, the RPM can be adjusted during the first minute of "flight" time, the motor can be stopped at any time with another push on the "start" button, and the voltage to the ESC goes from the throttle "off" pulse width to zero volts some 30 seconds after the flight has ended, to make a restart impossible.

To make the simplest timer, the timer blips the motor a second after the start button is pushed (to confirm that timing has begun) and then waits 30 seconds to begin the flight time/flight RPM. To keep it simple, the RPM pot is preset for 9100 when fully counterclockwise and the flight time is 6:20 when the TIME pot is fully clockwise.

I have bench tested the combination but haven't yet installed it in an airplane.

The Hacker Brand was reccomended to me personally by a gent that flies a great deal of RC. This size is a slightly stronger level of performance than the AXI 28/26. Rob, my pal, states that these motors are generally underrated for ability to draw current and are very trouble free. I have two, one is the 10XL and the other is the 8XL, with a higher KV rating. My plan is to have a 640 inch airframe built, well it was supposed to be built last winter, alas, as these things go it isnt done yet but it will be soon?