DYS BE1806 Thrust Tests - Page 5 - RC Groups
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Jul 09, 2014, 11:00 PM
Lipo Burner
dcame002's Avatar
Quote:
Originally Posted by Mustang7302
They run 4S on HQ 5030's wonderfully. Runs just inside the 12A limit for the motors at wide open throttle and makes an incredible amount of power doing it. The motors come down warm after being run hard, but I haven't had any concern over them.

Running a HQ 6030 on 4S is not recommended as it will exceed the heat capacity of a motor its size; even the HQ 5040 on 4S would be too much prop for sustained high speed runs. If you want to run a six inch prop on 4S, you need to look at a 2206 size motor capable of sustaining 18 to 20 amps of current.

I still offer my rule of thumb: if you have to ask about running 4S, you don't have enough building and flying experience for 4S.
One must always ask about running 4s. Too many variables not to.

Really curious about the rpm data. Crossing my fingers for no shipping delays!
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Jul 09, 2014, 11:29 PM
Registered User
Quote:
Originally Posted by CoolD
any reason why you didn't choose 1300mah battery ? Yes - Not enough flight time

and maybe 5x3 props as well ? Yes - Not enough thrust for my rig.


2200mah battery is kinda heavy for these baby quads Not really, as seen below

he clearly won because he was using a more expensive flight controller
I specifically picked this frame because it is lite and can spin 6x3 props. I had the motors from a different frame. After I built the frame and weighed it I figured out I could fly the 2200mah batteries and still have a 3.2 thrust to weight ratio.

For a good flying fpv quad you want to have enough power to get you out of a bad situation and / or have enough power to do some flips and rolls. To me that is a 3.0-3.6 thrust to weight ratio. The 2200 give me great flight time (about 10 minutes) and good power, as seen in my videos. My AUW is <650g (Frame, Mobius, Battery). To me this is the perfect setup. I have enough power to race, flip, and have a good time in general, I also have great flight time, and it is lite enough to avoid major damage on impact.
Jul 10, 2014, 03:08 AM
Registered User
Quote:
Originally Posted by Mustang7302
They run 4S on HQ 5030's wonderfully. Runs just inside the 12A limit for the motors at wide open throttle and makes an incredible amount of power doing it. The motors come down warm after being run hard, but I haven't had any concern over them.

Running a HQ 6030 on 4S is not recommended as it will exceed the heat capacity of a motor its size; even the HQ 5040 on 4S would be too much prop for sustained high speed runs. If you want to run a six inch prop on 4S, you need to look at a 2206 size motor capable of sustaining 18 to 20 amps of current.

I still offer my rule of thumb: if you have to ask about running 4S, you don't have enough building and flying experience for 4S.
Maybe try HQ Triple 5X4 Props
Jul 10, 2014, 04:13 AM
Registered User
deno6031's Avatar
Quote:
Originally Posted by CoolD
any reason why you didn't choose 1300mah battery ? and maybe 5x3 props as well ?
2200mah battery is kinda heavy for these baby quads

he clearly won because he was using a more expensive flight controller
2200mah isn't heavy, using it on my minion. Auw is 550grams with fpv and mobius(many people are on the same weight with a 1300mah), flying with 5inch props 10mins, could increase flight time with 6inch props

Jul 10, 2014, 10:58 AM
Registered User
Quote:
Originally Posted by HQProp
Maybe try HQ Triple 5X4 Props
If a two blade 5040 on 4S is too much prop for a 1806 size motor, the three blade 5040 would be even worse.
Jul 10, 2014, 11:14 AM
Firmware Fiend
The Quasar's Avatar
Quote:
Originally Posted by Mustang7302
If a two blade 5040 on 4S is too much prop for a 1806 size motor, the three blade 5040 would be even worse.
Mmm hmmm.
Jul 11, 2014, 10:08 PM
Where in the weeds? Over here?
kah00na's Avatar
My DYS motors have arrived! I can't wait to get this build completed and see how it flies compared to the RCX motors I've been using.
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Jul 17, 2014, 01:10 AM
Where in the weeds? Over here?
kah00na's Avatar
Mustang7302, do you ever do your tests with 3 blade 5030 propellers?
Jul 17, 2014, 01:25 AM
Registered User
i did a maiden with these motors today.
pros: cheap ( great price as compared to sunnyskies)
cons: cheap (2mm inner shaft, 4mm outer shaft this thing will not survive crashes)
Jul 18, 2014, 01:25 AM
Where in the weeds? Over here?
kah00na's Avatar
These DYS motors with 2 blade propellers seem stronger than my RXC motors with 3 blade propellers. I have a larger order of 3 blade propellers coming.

The KK2.1.5 board needs some tuning. I've always used the upgraded default firmware, but this time I put on Steveis's Pro firmware and I'm pretty sure the default PI settings aren't correct. With the FPV, it kind of wobbles back and forth a little instead of having that locked-in feeling.
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Description: DYS motors on a FPV250
Jul 18, 2014, 12:23 PM
Youtube skycop216
jafo216's Avatar

My micro hex powered by these motors


Using these motors to power my BlueskyRC micro hex. Using the 5030 Gem fan 3 blade props and a 2600 30C 3S Lipo.

I have no scientific numbers other than after an 8 to 10 min. flight all temps are good, but I can say these motors are really affordable and this thing is just plain insane!

My build overview is here:

https://www.rcgroups.com/forums/show....php?t=2207810


Flight with some aerobatics:

BlueSkyRC Micro Spider Hex Frame Flight With Aerobatics (4 min 44 sec)
Jul 18, 2014, 01:25 PM
Registered User
Quote:
Originally Posted by kah00na
Mustang7302, do you ever do your tests with 3 blade 5030 propellers?
I have a couple three blade props in hand, but just haven't been in a spot to test anything with them. I would suggest you'll most likely see the results of the new thorough motor test. I've been asked to re-test the MT1806 2280KV motor since it was one of the first tests which didn't have the more current prop selection options. I am waiting on getting a spare motor from MRM to test.

Quote:
Originally Posted by jafo216
Using these motors to power my BlueskyRC micro hex. Using the 5030 Gem fan 3 blade props and a 2600 30C 3S Lipo.

I have no scientific numbers other than after an 8 to 10 min. flight all temps are good, but I can say these motors are really affordable and this thing is just plain insane!

My build overview is here:

https://www.rcgroups.com/forums/show....php?t=2207810


Flight with some aerobatics:

https://www.youtube.com/watch?v=sbbBYF6zTwE
That's pretty awesome! Great work on the pictures and video as well.
Jul 19, 2014, 12:43 PM
Youtube skycop216
jafo216's Avatar
Quote:
Originally Posted by Mustang7302
I have a couple three blade props in hand, but just haven't been in a spot to test anything with them. I would suggest you'll most likely see the results of the new thorough motor test. I've been asked to re-test the MT1806 2280KV motor since it was one of the first tests which didn't have the more current prop selection options. I am waiting on getting a spare motor from MRM to test.



That's pretty awesome! Great work on the pictures and video as well.
Thanks Mustang!
Jul 22, 2014, 10:12 PM
QuAd FaNaTiC
Razors edge 29's Avatar
mustang

are you still happy with these motors on your CGX250?


I'm thinking of using on mine.
Jul 23, 2014, 09:05 AM
Registered User
Quote:
Originally Posted by Razors edge 29
mustang

are you still happy with these motors on your CGX250?


I'm thinking of using on mine.
Since the CGX250 is limited to five inch props because the six inch props reach into the center section, these motors have been great with HQ 5040 props. These DYS motors make more thrust than the SunnySky motors I had on there previously on 5030, 5040, and 6030 props. If the frame could fly 6045 props, I would probably have kept the SS motors on the frame.

With that said, the CGX250 is stripped down at the moment as I am transplanting the hardware to a Tri copter frame and going to try using t-motor style 6020 carbon fiber props on these DYS motors. More thrust testing data for the CF 6020 and 5030x3 GF props might be coming as early as this next weekend.

MultiRotorMinis is also sponsoring a hex build with a set of ESCs and the not yet released Cobra 2204 1960KV motors. Going to be putting the Cobra motors through the paces and testing, so keep an open eye for those results as well.


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