Improving the range on WalkSnail - replacing the VTX antenna with a RushFPV Cherry
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16 күн бұрынIn the last video, I looked at improving the range of my Chimera7 quad by replacing the stock WalkSnail antenna on the goggles. In this video I want to tackle the issue of the stock antenna on the VTX - replacing it with the excellent Cherry antenna from RushFPV. In the next video, I'll be looking at the even longer SMA-based Cherry 2 antennas.
You can get these antennas (don't forget LHCP are needed) direct from RushFPV here rushfpv.net/collections/antenna or through a variety of resellers.
Thanks to www.pcbway.com/ for sponsoring this video, check them out if you need their services.
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@MCsCreations 15 күн бұрын
Awesome flying and testing, Wayne! 😃 Those are definitely great antennas!!! Stay safe there with your family! 🖖😊
@CurryKitten 15 күн бұрын
Cheers MC :)
@DigitalCruzer 11 күн бұрын
I replaced the original antenna i smashed with a flyfishrc osprey, i just use a direct ufl one, there is alway loss in the cable and connectors so i get the shortest that will fit properly but still has the element up above my battery a little and it definitely seemed to be alot more stable then the original! So now i just toss the original that comes in the vtx kits! I will say Walksnails newest antenna is improved, but i trust the flyfish more... I have tried the rush since too cuz they was on sale on AliExpress, i really can't tell the difference between the cherry and osprey, the osprey just has better selection and availability. But newbeedrone has a cloverleaf ufl i put on my 85mm ws and it is way better yet! It's just not as durable but on a super light weight build its fine also the length of cable needs more selections
@InfluxFPV 15 күн бұрын
i built an AOS UL7 Recently with walksnail avatar pro and used ufl to sma and 2 cherry rush extended, and my god the range difference at lower altitudes is crazy for me
@CurryKitten 14 күн бұрын
Nice - that's what I was hoping. I'll test this config out as soon as the UFL to SMA adapters arrive
@wtfmimshag 13 күн бұрын
ufl to SMA definitely not easy to find! Tend to be a bit long for easy mounting on a quad as well. The ufl interface is probably my least liked thing about walksnail. Have a pair of albatross 100mm LHCPs on a Moz7 with Avatar twin antenna VTX, performance is fantastic.
@CurryKitten 13 күн бұрын
Yes - I've either managed to find too long or too short, I've got a 5cm and 10cm adapter comin gin the post (soon hopefully)
@SbangFPV 14 күн бұрын
8:40 you should get Iflight Albatross V2. It has a 150mm stem. It’s amazing.
@CurryKitten 14 күн бұрын
I hadn't heard of the Albatross before now - if I get the oppertunity to test it out, I will do so
@ezalku 14 күн бұрын
that's also improve gps signals b yX2 ✌
@CurryKitten 13 күн бұрын
Interesting - it looked like that when you compared the DVR footage doesn't it. It would certainly move the original Walksnail antenna (which would have been directly over the GPS) out of the way. I'll have to examine some more footage to see if this is actually the case though
@ReggieRailSystems 19 күн бұрын
Certainly no doubt that the taller Rush antenna is the answer over the original walksnail. I do want to see if the sma connector adapter bit causes any loss since there will be another connector junction being put between the VTX and the Antenna?
@CurryKitten 18 күн бұрын
Yes - looking forward to seeing what happens with the SMA antenna as well
@williamlosch 15 күн бұрын
Came to say this! I hear from fpv pilots all the time that adapter causes signal loss. (I think Bardwell tested it way back)
@CurryKitten 14 күн бұрын
Yep there's always some loss introduced with adapters, the question is though will the fact it allows a longer antenna outweigh the loss. Don't know, but I want to find out as well
@williamlosch 14 күн бұрын
Thanks for the content as always. Do you like MMCX connectors? I do! (Someone recently told me though, if it snaps off inside the vtx it may be impossible to get it back out. I’ve avoided that situation so far, thankfully)
@HrDux 14 күн бұрын
Huge improvement with the taller/better antennas! Regarding the vibration, did you restore the iFlight filters after upgrading to Betaflight 4.4/4.5 and the new motors? The C7 will do that with the default filters. I think it has to do with the ESC (Succex/Blitz) causing gyro noise at 24khz PWM. I changed the PWM frequency from 24khz to 48khz and it cleared up the gyro noise enough that I was able to remove the aggressive iFlight filters. Anyway, just a suggestion.
@CurryKitten 14 күн бұрын
As iFlight is still saying (at least when I last checked) don't use 4.4 and is saying they will release their suggested tune for 4.5 at some point, this is still on their recommended 4.3 settings (which is annoying from the lack of HD OSD support) Pretty sure it was initially flying without any oscillation which makes me think I've just got a dodgy prop somewhere
@HrDux 14 күн бұрын
@@CurryKitten If the vibration happens at wide range of throttle, then it's probably something mechanical like a propeller. But if it's at a specific throttle level, then the ESC is might be causing gyro noise. I would give 48khz PWM a try; it's a simple change that you can easily revert if it doesn't work for you. I was able to fix mid-throttle oscillations on two of my quads (Chimera 7 and AOS 4) by switching to 48khz PWM on my ESCs. Shielding the ESC can also help.
@cyclops-fpv 15 күн бұрын
What does focus mode actually do? I noticed the grass in the fields were noticeable different colour wise on way back between Antennas.(walksnail was worse)
@CurryKitten 15 күн бұрын
Focus mode kicks in when the signal is bad to try and give you the main bulk of the image without spiking the latency. Yu'll see these as being clear in the middle of the picture but very pixelated in the sides. I prefer to fly with it (on auto) as before when the signal got bad the latency coudl spike to over 120ms which was very jaring
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