Walksnail VRX antenna modification
Вставка
- Опубліковано 14 жов 2024
- Sharing a walkthrough on how I did my custom antenna modification on a 5 day old Walksnail VRX. I opted for hdzero style front plate to accommodate rail mounted crosshair antenna. I customized a rail mount for the x2-air since the one that came with the x2-air is designed for Hdzero VRX4, which is a little narrower. In addition to this, this modified Walksnail VRX now has four sma ports for whatever antenna preferred, not using the internal patches anymore.
Note that I have Ant1 port for one of the x2-air's, which will work for my kind of flying since I'm flying fixed wing, mostly long range. Anyway, you can easily swap antenna as desired. The modification process is completely reversible, if you want to go back to stock.
the modification used 4pcs SMA to U.fl(ipex1) 10cm
======================
IMPORTANT NOTE:
It would be better to use the same antenna type on ant 1 and ant 2 pair; also with ant 3 and ant 4 pair. I havent updated it on the video though
link to the 3d printed parts:
www.thingivers...
www.thingivers...
Credits to everyone who helped me get this done. 😎👍
I'm going to buy one of these next week. I love how minds on different sides of the planet can have the same ideas and ambitions. You make good videos man, good luck!
Thanks buddy!!! Happy flying :-)
this is badass. props to stealing the antenna mount pattern from HDZ. such a good idea!
Thank you for your video.
I did a couple tests with the VRX as is and was a bit disappointed by the range of the stock system compared to what I was able to achieve with my older analog setups (2 vs 8 km). It seems that I will have to make that upgrade too.
yeah, dont rely on stock antenna on the VRX if you want to get good performance :)
I’m definitely gonna try this when I get my VRX ✌🏼
yes this is worth doing! :-)
X2 airs work great on this vrx
Indeed 😊👍
Awesome. I also just started using WS VRX. I might just do the same like you since my HDZero goggle and analog use RHCP antenna
yeah, it's really handy that you can use one antenna from one unit to another :-)
I want to use Triple feed patches. The round ones. Would I be able to use them with the mounts on this vid? If not, would you have a link to a thingiverse design for a triple feed patch that would work with the print for the VRX unit with the slot rails?
www.thingiverse.com/thing:5824452
Just finished ,only i drilled a hole in the front after removing the long range from the cover bit tight fiddly.all good coulda used shorter cable
shorter coax should be better :)
Can there rise problems (interference for example, signal distortion) with the routing of the antenna rf-pigtails directly over the electronic components of the board?
actually, in RF point of view, it should not impose a problem UNLESS the antenna installed are unbalanced (coax shield becomes part of the antenna due to the improper design). Stock WS antenna are unbalanced. With good antenna though it should work perfectly. I got 35km after doing the mod and using TrueRC x2-airs ad Geprc triple feed patches.
@@windfpv So it's basically a good idea to invest in quality antennas in the first place, no matter the pattern/usecase (omni/directional). Thank You very much.
that's right. Good antenna are good investment.
@@windfpv Regarding the 'unbalanced' antennas: If get that right, the best balanced antenna would be an antenna with an VSWR=1, correct?
good work 👏 when I get a chance I will definitely do!
Hello WindFPV, i followed your vid to upgrade the antennas, 2x truerc x2 air for the patches, 2x TrueRC OCP 5.8GHz Antennas for the omni on top, but the range is worse than with the stock antennas... What do you think is wrong?
I put sma connectors, and rhcp antennas, rhcp on the vtx also..
Have you checked the connectors? Top ports are using rpsma
@@windfpv i changed every connectors from rpsma to sma, top ones included. I checked every ufl connectors inside the vrx, and its ok. The only thing ive changed compared to the stock installation is: the antenna on the vtx is not directly connected to the vtx, it is ufl from the vtx to a sma connector on a tpu print and then the antenna is connected to that sma connector. Do you think it could come from that?
not really, since I also use U.FL to SMA on my VTX's... You might want to play with channels, bitrate and power output perhaps. Make sure all antenna have the same polarization
@@ren0291 did you figure it out? i am having the exact same issue
are the parts all glued together?
The 3d printed parts? Yes
Why do I want to switch antenna #1 and #4 location of SMA? Can you help? Thanks!
This is because you would want Ant 1 and Ant2 to have the same antenna, and also have ant3 and ant4 to have the same stuff too
So when you switch the connectors are you still using lhp or rhp antennas?
I switched everything to RHCP, since I have a lot of RHCP 5.8ghz antenna before which I used when my planes were on analog 5.8
Extra range achieved or just better quality video?
I have done 35km out and back with the 2x X2-Airs 13dbi and 2x Triple feed patch arrays 14.4dbi
@@windfpv That's awesome thanks for the reply!😀
What is the reason for Ant1 is better for long range? For telemetry?
For retransmission of packets, basically the range will be depending on both the tx and Rx antenna on the vrx, and the antenna on the vtx. Not like analog systems that would only depend on the range brought by the vtx antenna and vRx antenna.
The transmite antenna tx is the right one face to vrx if you boost this antenna you well get better réception so mor range , i boost all my antenna in my vrx i get better penetration + mor range over 1km in 200mw mode
Not necessarily the patch, check where the ANT1 ufl port is connected.
I really don't get how Caddx could put so much into developing this awesome VRX then crippled it by adding LHCP patches and RP-SMA connectors. I'm sure most pilots will inadvertently toss on RHCP omnis (as I initially did), end up with poor range and image quality and then blame the Walksnail system. 😞
indeed, WS should have opted to put some SMA, and not built in patches...
Why?...everyone knows the HD systems use LHCP antennas?...🤔😳🙄🇬🇧
actually, the reason why DJI is using LHCP is to not swamp out most of the analog 5.8GHz flyers that fly on RHCP. BUT that DOES NOT imply that HD systems need to use LHCP. In fact you can use either RHCP or LHCP. It does not matter as long as you have the polarizations matching. Even HDzero didn't pressure the users to use LHCP, giving the users the freedom to choose which polarization to use. Now if you ask why I opted to use RHCP, it's because I have a lot of 5.8GHz RHCP antenna in my box of stuff, and I want to use my high gain ones, which means I wont be using the LHCP patches on the vrx, thus the conversion.
Again, this mod is not for everyone. If you prefer LHCP, then stick with it, or if you prefer to use the stock patches then stick with it. Personally I dont want to use it, especially for my kind of flying, long range and stuff and mostly fixed wing.
@@windfpv Yes, I get it you've loads of RHCP 5.8g antennas...I don't have any because I use 1.2g linear for low, range flying...I've always found CP antennas pretty crap on 5.8g analogue. I have TrueRC antennas on my Avata Goggles too..🤔😳😳😏😏🇬🇧
Im mostly on 1.3GHz as well for my long range or low altitude flights in the videos posted here in my channel. I have converted all my planes to 1.3GHz that's why I got a lot of 5.8GHz RHCP that used to be on my setups before
can i ask that the cable is not effect as it LHCP or RHCP right?
no, it doesnt matter
@@windfpv if i fly fpv what is the advantages and disadvantages of swaping the antenna? thank you
drones
You can optimize your penetration and range as you can put the best antenna out there for your needs. Regardless if lhcp or rhcp, as long as the polarizations on vtx and vRx antenna are the same. The good thing is that you can totally remove the built in patches which are not performing really well in most cases, and put a proper antenna to replace it
@windfpv love it but i means swap antenna 1 to 3 or 4 ? Is it good for quadcopter?
Hello! With that setup, what distance have you achieved? Thanks!
Still to find out, I have just finished the modification anyway 😁
How is hdzero compaired to walksnail
Haven't done a comparison yet..sorry pal..
I broke both babyape v1 v2 didn't get 2 mins each .should have taken them outside 😢
Can I use only triple feed patch in all the antenas or truerc is neccesary or best?
you can use TFP on all ports, or x2-airs on all. The only thing you want to check is the quality of the antenna, since TFP is an opensource design, anyone who has the tools can build one, but not everyone has the right instrumentation device to measure the performance. It means that not all TFP are made the same as the original design. While with TrueRC, it is designed with consistency on the hardware, with trueRC brand you buy with confidence as they really got the the right tools for the right job. Price wise, the TrueRC antenna just like VAS are tagged higher than opensource ones, of course. Mainly because of the R&D costs involved.
I'm using maple on the front
Hello sorry to tell you you are wrong , the transmite antenna is the right patch antenna wen you look the vrx in fronte face look the ufl connect one is connect to amplificateur Rf and is the patche antenna 👍🏼
Are you sure? Have you opened yours? Are you aware that there are batches that had the transmitting antenna on one of the patches and there are batches of the vrx that has the transmitting antenna on one of the antenna on top? The best way to check is to look for the marking on the PCB, where you find the ANT1 that's your transmitting antenna. No mistakes on that.
Non pls thrus me my friend that is my work ! Look in the top of the ufl connection 3 of ar connecter to mini driver carte video transmission and 1 only the right pacth face to vrx are connect to mini sginal booster ship that id the transmite connection . Sorry for my english i am frome france , i do in my one vrx i transfert the rf antenna in the top of the vrx know is working nice i get better penetration withe stock pacth antenna + 2 foxxer lolipop4 in the top + 2 foxxer antenna lolipop4 ufl 15cm in the vtx
Check and let me know i am 200% sure i don't know why walksnail do that maby som erreur in the production i dend them message non anwser ... The rf antenna non need to bee in patch if you fly in your back non mor signal rf so you failself vidéo the rf signal must be in regugar antenna not patch look the walksnail goggles the tx antenna is in top if you fly withe 4patch in the goggles and you fly in your back you failself video if you put 2 patche + 2 regular antenna you don't failself when you fly in your back i do the test in my friend goggles
In my tx sma i connect dual put out i connect 1 patch + one regular antenna 👍🏼👍🏼 thrust me my frien you look like chappy antenna but you get verrryyyyy nice pénétration i get mor range vs dji v2 +vista of my friend
ua-cam.com/video/a86P0OEImfM/v-deo.html
Look this video after 3min my friend you well understand 👍🏼
Great job 👍
Thank you! Cheers!
So now you're changing all your LHCP video transmitter antennas for RHCP?....🤔😳🙄🇬🇧
of course, I dont waste time on stocks anyway, again those stock antenna wont work with my kind of flying
Hi, can I have the link to SMA to UFL connector ?
And thermal pad ?
u.fl to sma female (get the 10cm one)
www.aliexpress.com/item/1005004454715029.html?spm=a2g0o.productlist.main.89.5a188fc8nUnWsn&algo_pvid=6f47aa6d-d8bc-4639-9e24-9d1d497496cc&aem_p4p_detail=202302242232542347365942866460003722170&algo_exp_id=6f47aa6d-d8bc-4639-9e24-9d1d497496cc-44&pdp_ext_f=%7B%22sku_id%22%3A%2212000029231381127%22%7D&pdp_npi=3%40dis%21PHP%21237.13%21165.99%21%21%21%21%21%40211be59e16773067741852796d06f7%2112000029231381127%21sea%21PH%212393024912&curPageLogUid=G0GLTHKxFfiM&ad_pvid=202302242232542347365942866460003722170_12&ad_pvid=202302242232542347365942866460003722170_12
thermal pad (2mm will do) :
www.aliexpress.com/item/1005002842166246.html?spm=a2g0o.productlist.main.1.78c147c0Ws91jT&algo_pvid=83d80b7f-e84f-480f-a8b0-7561c9d6d86a&algo_exp_id=83d80b7f-e84f-480f-a8b0-7561c9d6d86a-0&pdp_ext_f=%7B%22sku_id%22%3A%2212000028988353800%22%7D&pdp_npi=3%40dis%21PHP%21118.02%2176.65%21%21%21%21%21%40211bd8be16773068821312678d06f2%2112000028988353800%21sea%21PH%212393024912&curPageLogUid=dW8SHgCsTXOn
@@windfpv Thank you Bro 👍👍