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GEPRC Phantom / GEPRC SMART25
#16
Video please so we can all fly along with you....maybe someone with a phone cam? Smile



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#17
Looks great. GEPRC is at the top of the game in micros, nothing but good experiences here. Cygnet 3's fly amazingly well.

Interesting the mention of HQ2535-3's because I bought a couple of sets just to try on mine.

So how is this performing for you? People have been raving about this toothpick, can't wait for mine to come. Very nice photography too. Smile
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#18
(13-Oct-2019, 11:59 PM)ProppedCodger Wrote: So how is this performing for you?  People have been raving about this toothpick, can't wait for mine to come.  Very nice photography too.  Smile

It's still hanging on the wall waiting for it's maiden flight. The appalling weather is preventing me from playing with my toys Dodgy It must be one of the wettest and windiest Octobers here in the UK that we've ever had. I certainly can't remember when it was last this bad for two weeks solid. I may well have missed the boat this year now. If I do get an opening in the weather then Ill try 'my best to get out, but with winter approaching the chances of that are becoming less and less. Being stuck on sims is no where near as much fun Sad
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#19
Hi Snow,
First, the pictures are first rate professional looking, Awesome Thumbs Up .
The GepRC Phantom is on my radar for next BNF quad. Everything I have read is all good. I also like the looks.
I am less interested in top speed or super acro ability on the top end of the throttle; more about just having a nice flight in small to medium spaces. Eager to see video and read your comments.
______________________________________
My BUILDS  ||   My INDEX   ||  Parts Guide  <-- Download


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#20
Just got mine from China yesterday. Set it up, put some HQ 2535 props on it and am getting 8 minutes in a hover on 450mAh 3S. Hovers at 28%, lots of power from what I can tell in the living room and comes down with slightly warm motors and battery. Think I'll get used to it on 2S.

Have never tried to change motor direction on my other GEPRC (Cygnet) quad but tried with the Phantom and it wouldn't play along in BetaFlight. Do I actually need to connect this little guy to BLHeli Suite and change motor direction in firmware? Not that familiar with how the ESC's interface with the Flight Controllers on these F4 STABLE stacks, or how these things work in general yet... Thanks if anyone can comment, cheers.
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#21
(02-Nov-2019, 05:24 PM)ProppedCodger Wrote: Just got mine from China yesterday.  Set it up, put some HQ 2535 props on it and am getting 8 minutes in a hover on 450mAh 3S.  Hovers at 28%, lots of power from what I can tell in the living room and comes down with slightly warm motors and battery.  Think I'll get used to it on 2S.

Have never tried to change motor direction on my other GEPRC (Cygnet) quad but tried with the Phantom and it wouldn't play along in BetaFlight.  Do I actually need to connect this little guy to BLHeli Suite and change motor direction in firmware?  Not that familiar with how the ESC's interface with the Flight Controllers on these F4 STABLE stacks, or how these things work in general yet...  Thanks if anyone can comment, cheers.

8 minutes? LOL

I took mine out for it's maiden on Thursday at the same time I took my 5" out for a smoke test on BF4.1. I flew two 2S 450mAh packs on the Phantom which were charged to 8.4V and I got 3 minutes flying time out of each before the 7V low battery warning started flashing. I'm running HQ Bi-blade props. I have no idea what pitch they are as it doesn't say on the packet, but they are these: http://bgd.onl/5b

After exclusively flying a 710g 5" quad, this sub 100g toothpick is going to take some getting used because there is no weight for inertia when doing acrobatics so the hang time I've been used to is pretty much non-existent with the Phantom. I didn't crash it on the maiden but I was taking it quite steady as the grass was damp and its electronics aren't conformal coated.

You need to change motor direction in the BLHeli Suite. That switch in Betaflight Configurator just to informs Betaflight that you have reversed the motor direction.
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#22
(02-Nov-2019, 06:56 PM)SnowLeopardFPV Wrote: 8 minutes? LOL

I took mine out for it's maiden on Thursday at the same time I took my 5" out for a smoke test on BF4.1. I flew two 2S 450mAh packs on the Phantom which were charged to 8.4V and I got 3 minutes flying time out of each before the 7V low battery warning started flashing. I'm running HQ Bi-blade props. I have no idea what pitch they are as it doesn't say on the packet, but they are these: http://bgd.onl/5b

After exclusively flying a 710g 5" quad, this sub 100g toothpick is going to take some getting used because there is no weight for inertia when doing acrobatics so the hang time I've been used to is pretty much non-existent with the Phantom. I didn't crash it on the maiden but I was taking it quite steady as the grass was damp and its electronics aren't conformal coated.

You need to change motor direction in the BLHeli Suite. That switch in Betaflight Configurator just to informs Betaflight that you have reversed the motor direction.

Yes, 8 minutes.  I thought I did something wrong...  Battery settled at 10.7v post-flight.  I'm still amazed.  Would be happy to post a screenshot of another flight summary if anyone doesn't believe me.  I can only imagine this time will be cut in half with actual active flying.

Unfortunately I'm on a Macbook and dual-booting Windows 8.1, I tried to connect once but BLHeli isn't seeing a COM port... Will update BLHeli, try my other USB port and take it from there.

Ok, thanks for the confirmation and the help!

If you want some swing weight try a 450mAh 3S.  Smile
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#23
(02-Nov-2019, 07:28 PM)ProppedCodger Wrote: Yes, 8 minutes.  I thought I did something wrong...  Battery settled at 10.7v post-flight.  I'm still amazed.  Would be happy to post a screenshot of another flight summary if anyone doesn't believe me.  I can only imagine this time will be cut in half with actual active flying.

Unfortunately I'm on a Macbook and dual-booting Windows 8.1, I tried to connect once but BLHeli isn't seeing a COM port... Will update BLHeli, try my other USB port and take it from there.

Ok, thanks for the confirmation and the help!

If you want some swing weight try a 450mAh 3S.  Smile

Mine is already heavier than standard with an added self-powered buzzer and the Foxeer Lolipop VTX antenna so I worry that any more weight from a larger battery may overheat the tiny motors. I also don't currently have any 3S LiPos.

I just had a look back at my DVR and I might actually need to do voltage calibration on mine because my LiPos were charged up to 8.4V but in the OSD it is showing as 8.0V with a fresh battery just connected. And when the 7.0V warning starts flashing in the OSD, the total current draw shows that only just over 200mAh have been used up on a 450mAh LiPo. So I may also need to do a current calibration as well. Both of those might result in a longer realistic flying times. We shall see.

I'm also getting a load of diagonal lines on my video feed but that may be something to do with the location I was flying because I didn't notice those at home on the bench beforehand but I will need to do another bench test to confirm that.

If you don't have Google Chrome installed on your Macbook then install it and add the BLHeli Chrome App to it (HERE). That will connect to BLHeli_S ESCs. Don't forget that you need a LiPo connected to read and configure the ESCs.
[-] The following 1 user Likes SnowLeopardFPV's post:
  • ProppedCodger
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#24
(02-Nov-2019, 07:49 PM)SnowLeopardFPV Wrote: Mine is already heavier than standard with an added self-powered buzzer and the Foxeer Lolipop VTX antenna so I worry that any more weight from a larger battery may overheat the tiny motors. I also don't currently have any 3S LiPos.

I just had a look back at my DVR and I might actually need to do voltage calibration on mine because my LiPos were charged up to 8.4V but in the OSD it is showing as 8.0V with a fresh battery just connected. And when the 7.0V warning starts flashing in the OSD, the total current draw shows that only just over 200mAh have been used up on a 450mAh LiPo. So I may also need to do a current calibration as well. Both of those might result in a longer realistic flying times. We shall see.

I'm also getting a load of diagonal lines on my video feed but that may be something to do with the location I was flying because I didn't notice those at home on the bench beforehand but I will need to do another bench test to confirm that.

If you don't have Google Chrome installed on your Macbook then install it and add the BLHeli Chrome App to it (HERE). That will connect to BLHeli_S ESCs. Don't forget that you need a LiPo connected to read and configure the ESCs.

So found the Mac version of BLHeli Suite on the Google Drive linked from the WordPress site.  The links to other OS's in the menu on the MediaFire site only links to the Windows version.

BLHeli will not recognize the ESCs but it will connect to dev/usbport1411 or something like that (the only connection in the COM port menu) and I can spin the motors in the Motors menu.

When I try to read setup it tells me to connect an ESC and power cycle.  Of course it is futile.

Strange that it seems to connect and I can spin the motors but when it gives me the profile of the 4 ESC's it is blank and says "Error, no ESC profile present" or something that basically says you're screwed, come again.  Same thing happens in Windows or OSX.

Is this something I'm doing or is this a limitation in the stack or..?  So far the moral of the story is the motor direction is just fine the way it is. Angry
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#25
(02-Nov-2019, 08:09 PM)ProppedCodger Wrote: So found the Mac version of BLHeli Suite on the Google Drive linked from the WordPress site.  The links to other OS's in the menu on the MediaFire site only links to the Windows version.

Post a link to the Mac version you are trying to use. The only Mac version of BLHeliSuite that I'm aware of is only for BLHeli_32 ESCs. The Phantom has BLHeli_S ESCs. The BLHeliSuite32 won't work for BLHeli_32 ESCs.
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#26
Well that would be the problem then. Thank-you sir!

Is using a Chrome App the only way to configure BLHeli_S firmware or is there a standalone program like the Suite?

Thanks a lot SLF!
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#27
(02-Nov-2019, 08:16 PM)ProppedCodger Wrote: Is using a Chrome App the only way to configure BLHeli_S firmware or is there a standalone program like the Suite?

You need to download the "BLHeliSuite16714901.zip" file from the Mediafire link below. That is the BLHeliSuite for BLHeli_S ESCs. That version only works on Windows. There is no native version of BLHeliSuite other than the Google Chrome App that works with BLHeli_S ESCs on a Mac.

https://www.mediafire.com/folder/dx6kfaa...LHeliSuite
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#28
Ok...so...

I connected through Chrome, changed motor directions and flashed 16.7 (official) to all 4 ESCs. This is in OSX.

That's when it all went bad apparently.  No response from motors.  Tried to flash back and ESC 2 will not respond to a flash.  Appears dead.

Now ESC 2 is showing ESC: ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ  16.7:  ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ ESC 2 doesn't self-identify (G-H-30) in the menu like the others when I go to flash it.

The other ESCs show ESC: G-H-30  16.7.

There are no tones from the controller or ESC when powering-up.  A few LEDs flash briefly and I'm left with one green light on the ESC as the only sign of life.

Looks like I need some real help here, are you able to suggest anything.  Did I just blow-up this new quad somehow?  I'd hate to have to scrap this thing after waiting a month and hovering it for 10 minutes.

As of yet my ESC is functionally dead and am not the least bit impressed.

Thanks...
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#29
(02-Nov-2019, 08:57 PM)ProppedCodger Wrote: Ok...so...

I connected through Chrome, changed motor directions and flashed 16.7 (official) to all 4 ESCs.  This is in OSX.

That's when it all went bad apparently.  No response from motors.  Tried to flash back and ESC 2 will not respond to a flash.  Appears dead.

Now ESC 2 is showing ESC: ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ  16.7:  ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ  ESC 2 doesn't self-identify (G-H-30) in the menu like the others when I go to flash it.

The other ESCs show ESC: G-H-30  16.7.

There are no tones from the controller or ESC when powering-up.  A few LEDs flash briefly and I'm left with one green light on the ESC as the only sign of life.

I've just connected BLHeliSuite to mine and all the ESCs are already on 16.7 (G-H-30). Did yours come with an older version? I'd be surprised if it did because BLHeli_S 16.7 has been out since 2017 and there have been no further BLHeli_S updates since then. To reverse motor directions you don't need to re-flash the firmware. You just need to update and save the new config.

Try connecting using the proper BLHeliSuite from Windows instead of the Chrome App and see if you're able to successfully re-flash the firmware to all the ESCs using that.
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#30
EDIT: You just seem to have deleted your previous post which this was a reply to, so this post now looks a little odd but it is still relevant to your problem. I hope you haven't already smashed it to pieces with a sledgehammer.

The following ZIP file as mentioned in post #27 IS the BLHeliSuite for BLHeli_S ESCs. That is what I ran on mine to check the ESC firmware versions. Below is a direct link to that BLHeli_S Suite software. Click on the link to download the ZIP file, unzip the contents and then in Windows run the "BLHeliSuite.exe" file.

http://download2269.mediafire.com/of662n...714901.zip

The screenshots below are of this version of BLHeliSuite connected to mine...

[Image: Xc3Aym6.jpg]

[Image: fm1NR23.jpg]
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