PARKJET MOTOR BENCH TESTING

Discussion in 'Electronics' started by e3_Scott, Jul 6, 2013.

  1. e3_Scott

    e3_Scott Top Gun

    Posts:
    5,251
    Likes:
    8,784
    Points:
    133
    Thanks for the response/info:)

    Good luck with continued testing:)

    Cheers,

    Scott
     
    Last edited: Apr 12, 2017
    bimoadiprakoso and Flybyknight22 like this.
  2. Flybyknight22

    Flybyknight22 Top Gun

    Posts:
    2,929
    Likes:
    6,452
    Points:
    133
    Ran this goofy little 6-blade prop to WOT connected to a current/watt Meter.

    The prop connects nicely and tightly on the Turnigy motor without using any ring adapters or inserts.

    I figured with those six blades it might burn up the ESC or motor but it did just fine.

    No vibration or blade flex throughout the throttle range. These seem well balanced out of the box.

    Don't know the thrust yet as I only connected it to the meter but trying to hold it down at WOT was a bit of a tussle :)

    Motor: Turnigy D2826/6 2200KV
    ESC: Turnigy Plush 30amp
    Prop: 5x4x6
    Battery: 3S EZ Flite 1300mah 50C
    ESC timing auto

    1/2 full throttle:

    IMG_2087.JPG

    WOT:

    IMG_2086.JPG

    5x4x6 prop:

    IMG_2067.JPG

    I know what Wildthing is thinking:
    "If you didn't run it on 4-cells, you didn't test it" :)
     
    Last edited: Apr 12, 2017
  3. Flybyknight22

    Flybyknight22 Top Gun

    Posts:
    2,929
    Likes:
    6,452
    Points:
    133
    Wild,...

    You need more than 2-blades on that 5in prop :)
     
  4. You should, with that 2200 Turnigy, just use a 40A esc. ;)
     
  5. Flybyknight22

    Flybyknight22 Top Gun

    Posts:
    2,929
    Likes:
    6,452
    Points:
    133
    Wild,

    Yup I have a couple of 1350mah 4S 40C batteries that I will use to test it with.

    This six blade sounds wicked spinning up, can't imagine what it would sound like on 4 cells.

    Judging by the current draw it looks like running on a 4 cell "might" be doable.
     
  6. That motor will take it, ask me. :)
     
  7. Flybyknight22

    Flybyknight22 Top Gun

    Posts:
    2,929
    Likes:
    6,452
    Points:
    133
    Oooooh,... Kaaaaaay Wild,

    But this is a 5x4-6 blade.

    Ah, your right, I'll crank it up. :)
     
  8. 40A esc, just try it. ;)
     
  9. Would I ever steer you wrong????? :D :D
     
  10. Flybyknight22

    Flybyknight22 Top Gun

    Posts:
    2,929
    Likes:
    6,452
    Points:
    133
    Got it Wild,

    I will put it on the Thrust Stand tomorrow with a good 4S battery and see what it does all the way around.

    This little 6-blade is kinda cool. I put it on the
    B-58 Hustler hoping that it would bite good with lots of torque but slow the small plane down speed wise. That's what I think it should do in theory, we'll see.

    Don't know for sure yet until I test it more but I figure for most applications it might not make a good all around prop like a 6x3, 6x4, 6x5 or the 6x4x3 MAS.
     
  11. Flybyknight22

    Flybyknight22 Top Gun

    Posts:
    2,929
    Likes:
    6,452
    Points:
    133
    This 6-blade is supposed to be an FPV racing quad prop.

    Here is what they say about it:

    "HQ Prop's first Hex-Blade (6 Blade) FPV Racing Propeller. Maximum thrust and ultimate control, this is a must have when it comes to innovative prop design."

    It really does kind of act like an EDF without the shroud.
     
  12. e3_Scott

    e3_Scott Top Gun

    Posts:
    5,251
    Likes:
    8,784
    Points:
    133
    Hi Everyone -

    Not really a "testing" post per se, but I just noticed that the Fasttech 2212/6 2700 Kv motor that I had reported on awhile back on this thread has dropped quite a bit in price. I paid $11.12 USD for one back in November, 2016, they are now selling for $7.42 USD and if you buy 3, the price drops to $6.95 USD, best price I have seen for this type of motor ever other than one I got from eBay quite awhile back:)

    Shipping is free but slow, I think my order in November took about 4 weeks. I do not get any kickbacks from Fasttech:rolleyes:, just thought I would share since it is now about 1/3 cheaper than it was 6 months agoo_O

    Cheers,

    Scott
     
  13. TacticalFlight

    TacticalFlight Ace Pilot

    Posts:
    433
    Likes:
    1,102
    Points:
    93
    I run the same prop on my Mig 2.88.Sounds like edf and it works very well on the megajet with Turnigy Bolt 2200 4s.
     
  14. Flybyknight22

    Flybyknight22 Top Gun

    Posts:
    2,929
    Likes:
    6,452
    Points:
    133
    Tactical,

    That's EXCELLANT info on the 6-blade prop!

    I hadn't tried it yet with a 4S battery, glad you posted this.

    I like the way it sounds and the low current draw of this thing.

    It is great news to know that you are successfully flying a pusher like the Funjet with this prop!

    Your experiences give me more confidence for testing this more on the Thrust Stand on a 4S battery.

    I was a little concerned that it might come apart at the higher rpm extremes.

    Thanks again for that great input!

    Take care,
    FBK23
     
  15. e3_Scott

    e3_Scott Top Gun

    Posts:
    5,251
    Likes:
    8,784
    Points:
    133
    Hi Everyone -

    Always a good day when the mailman delivers a package from RC Timer:) I received the RC Timer FR2205 2550Kv motor I had been waiting for shown below.
    2017-04-24 16.46.17.jpg
    It comes with everything shown in the picture, four bolts for mounting to a multirotor frame as it is sold as an FPV racing motor and two nuts for securing the prop. The three wires are 7.5" long, so I have trimmed those down to about 3" and attached some 3.5mm bullet connectors already.

    Fortunately, for park jet use, the hole pattern is exactly the same as one you would find on any standard 2212 2200 Kv motor and it accepts the exact same screws.
    2017-04-24 16.49.11.jpg
    The motor with the "X" mount, bullet connectors and prop nut is very light, only 38 gr/1.3 oz. For reference, I have found most 2212 2200 Kv size motors to weigh about 67 gr/2.4 oz.
    2017-04-24 18.44.54.jpg
    The bearings are very smooth, the motor spins very easily by hand. I hope to start bench testing in the next couple days to see what sort of performance I can expect with this motor. I will only be testing on 3S as that is all I have, the motor is rated at 32A which is almost the same as the popular Turnigy 2826/6 2200 Kv motor which is rated at 34A. I'm excited to see what sort of punch this light little motor might pack:)

    Cheers,

    Scott
     
  16. e3_Scott

    e3_Scott Top Gun

    Posts:
    5,251
    Likes:
    8,784
    Points:
    133
    Hi Everyone -

    I just finished up some bench testing with the RC timer FR2205 2550 Kv motor linked in the previous post. I have it in my DTF Mig-35B already to start field testing.:) Looks tiny, but seems mighty:cool:
    2017-04-25 11.49.40.jpg
    I have attached an updated spreadsheet, the results for this motor are near the very top as I try to keep the order by actual motor size more than anything. Here are the new test results, I listed them in the order of props I plan on testing. I have tested all these props on other motors and know that their bench performance doesn't always translate to good field performance, but the first three listed have proven to be fairly close in my experience. All testing was done using a 60A ESC with timing set to low and a Zippy Flightmax 2200 3S 40C battery.

    6x3 EMP/TGS prop

    50% throttle - 10.5A/128.6W producing 462 gr/16.3 oz of thrust;

    100% throttle - 26.4A/311W producing 880 gr/31.0 of of thrust.

    RC timer 6x3x3 carbon prop

    50% throttle - 9.5A/117.4W producing 400 gr/14.1 oz of thrust;

    100% throttle - 29.3A/355W producing 820 gr/28.9 oz of thrust.

    Master Airscrew 6x4x3 prop

    50% throttle - 11.1A/136W producing 348 gr/12.3 oz of thrust;

    100% throttle - 31A/359.5W producing 800 gr/28.2 oz of thrust.

    Gemfan 6x4x3BN (pushes the motor on a static test beyond it's rated amps)

    50% throttle - 11.8A/145.6W producing 468 gr/16.5 oz of thrust;

    100% throttle - 34.8A/398.7W producing 940 gr/33.1 oz of thrust.

    6x4 APC

    50% throttle - 10.9A/133.5W producing 360 gr/12.7 oz of thrust;

    100% throttle - 29.4A/346.4W producing 694 gr/24.5 oz of thrust.

    Depending on how things go, I will probably flight test with the Gemfan 6x4x3BN prop, but after seeing how it performed, prop drag for a very high amp draw may not be worth pushing the motor that hard. I'm fairly sure it won't be pulling close to 35A in the air, but we will see.

    I wanted to test this motor as it is so light, I was running the lighter DYS 2600 motor in the Mig-35B before this and just by putting this motor in, the plane is 15 gr/0.5 oz lighter already. If the 6x3 EMP ends up being the winner, I might even drop down to a 30A ESC, but for now I will keep the 40A ESC in the plane.

    Considering the "can/stator" length is just under half what a normal 2212/2826 motor would be, I am impressed by the bench results, the higher Kv than the standard 2212 2200 Kv motor does help make up for it's small size I think.

    Due to the poor results with the 6x4 APC (very high amp draw for not much thrust), I probably won't bother testing that in the air, I know I can get much more efficient power using a 2212 2200 motor, even if it is a little heavier.

    I hope to start flight testing later this week experimenting with the first four props on the list, when I determine what I think provides the best performance as a trade off of good power without pushing the motor consistently to or beyond it's amp limit, I'll shoot a video and will post field results as I have them:)

    Cheers,

    Scott
     

    Attached Files:

  17. The 6X3 TGS prop looked like the winner, low amps and good thrust.
     
    Flybyknight22 likes this.
  18. Flybyknight22

    Flybyknight22 Top Gun

    Posts:
    2,929
    Likes:
    6,452
    Points:
    133
    Wild,

    What's wrong with you man!

    The Gemfan 3-blade is on the edge, just where you like to run :D
     
    lysle42 and Wildthing like this.
  19. For a light weight plane it will rock with the 6X3 TGS and way less amps, only lose a couple oz of thrust at top end.
     
    Flybyknight22 and lysle42 like this.
  20. Nakul

    Nakul Ace Pilot

    Posts:
    573
    Likes:
    1,639
    Points:
    93
    [​IMG]

    Packed up some serious hardware for my funjet. Motor: HET2w30 - 130grams- 1600Watts, upto 8s for edf, 6s for props. 2 heatshrinks, 125A redbrick esc from banggood, works perfect.

    Static test : APC 7x5 sport prop. 82A - 1200Watts - 2200mah 60c 4s battery.

    I have no thrust stand. But my funjet now weighs around 900-980 grams n takes off at 30% throttle, its like a rocket on speed passes, Still to try 7x6 & maybe 7x7 props. With the setup i have it can go 150mph easy. interesting little inrunner motor. Will try to get flight videos soon.

    Cheers!
    Nakul


    Sent from my iPhone using Tapatalk
     
    Flybyknight22 and Wildthing like this.
Similar Threads
Forum Title Date
Electronics FOCAL PRICE 2700 Kv Parkjet motor Sep 11, 2013
Electronics Quad racing motors in single motor "prop in slot" Park Jets May 24, 2018
Electronics 2 EDF 64mm motors Oct 25, 2016
Electronics Shorted out ESC - Motor bad too? Aug 14, 2016
Electronics Can I get some Motor help? Mar 18, 2016
Electronics which brushless motor is better for my f22 v2 ? Oct 18, 2015

Share This Page

string(1) "1"