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-   -   FrSky 2.4Ghz conversions - a how to (http://www.oople.com/forums/showthread.php?t=95271)

jamiew 23-06-2012 09:03 PM

Yeah a really like the older ko mate get 1 and I will convert it for u :thumbsup:

Moose 24-06-2012 04:44 PM

thx for all the replys. I will check the 40 mhz module soon to find out if it is just the spektrum pro module that feels "different" or the frsky.
And I will check it on track maybe the frsky module transmitts more agressive curves than the spektrum, That might only be noticeable in VRC as there is no servo connected that slowes down the movement.
I really like the frsky spektrum. Its better and more secure than spektrum but has much more latency on the paper and it feels like is actually has that latency. :/ (FrSky 22ms, Spektrum pro DSM 3.0 ms). Hope it is not that bad on track.
All "air" modules have highter latencies as they use more channels and frsky is mainly for air purpose.

Cardnim 25-06-2012 08:54 AM

OP needs fuel
 
Hey all,

Glad this post has triggered some awesome home conversions.

Looking back over the last lot of posts Ive missed, I see that some asking about Gemini 2. The FrSky system works great in these and the pin layouts shown by JCJC are spot on.

So now that you all have your spanking new (old?!) Esprit's working again and are winning races, the OP would like a drink at the oOple race.
hehehe. :p

john333 25-06-2012 09:21 AM

Quote:

Originally Posted by Cardnim (Post 668268)
Hey all,

Glad this post has triggered some awesome home conversions.

Looking back over the last lot of posts Ive missed, I see that some asking about Gemini 2. The FrSky system works great in these and the pin layouts shown by JCJC are spot on.

So now that you all have your spanking new (old?!) Esprit's working again and are winning races, the OP would like a drink at the oOple race.
hehehe. :p

That's a definite mate ;-))

Moose 26-06-2012 01:22 PM

looks like the Frsky RX dont work perfect with the VRC controller. I had to put DR and EPA to max and recallibrate to smoothen it up.
And voilą it works smooth now. So nothing special, just one thing you should first look at but didnt consider this as the spektrum pro worked without it.
So if anyone uses Frsky for vrc use max EPA :)

eddscott 27-06-2012 09:39 PM

After reading this thread I did the mod this evening. Awesome to have a 2.4Ghz Type R for not alot.

So happy impressed with the mod, I'm buying another Type R to convert :)

Crazy L 30-06-2012 07:31 PM

Quote:

Originally Posted by tdi250 (Post 655230)
Hi, I have a Futaba 3GR 40Mhz synthesizer, does anyone know if i can convert this to 2.4??


I'd like to know the answer to this too. anyone? It says on the front of the tranny "hrs or ppm selectable" so muchos interested.

Crazy L 30-06-2012 07:37 PM

just opened the case and the signal board has hrs and ppm one the same wire on one connection.

Now i'm no electronics whiz so wondered if this is still convertable?:thumbsup:/:thumbdown:

Just had another look, please let me know if i might be getting warm with this. on the main board in the 3GR, I have a black terminal marked "gnd" (ground/negative?) then a red one marked "vcc" (positive?) then a yellow one marked "sig" (signal).

Presuming I select "ppm" mode on the tranny, and teh frsky was hooked up to these terminals on the main board, could it work?

Getting desparate now as I'm fed up of Core units failing on me and I drive a Durango, so suffer with space lol, and dont have the luxury of being able to blow hundreds on new fancy gear.

Crazy L 01-07-2012 03:42 PM

Ok, I've found the answer to my own question. So if you're looking to do an frsky conversion on a 40 meg 3GR, best click the following link.:thumbsup:

http://www.oople.com/forums/showthre...157#post670157

mattst 03-07-2012 03:26 PM

http://www.rctech.net/forum/radio-el...kers-step.html

I have done this mod to my ko and use ansmann recievers with no problems at all. I hope this helps.

:thumbsup:

Hog 10-07-2012 07:02 AM

Am I right in thinking the V8R4 receiver has been superseeded by a V8R4-II?

Been looking around as I'm going to fit the hack module to my KO Type R, and just want to make sure I get the right kit.

Cardnim 10-07-2012 08:29 AM

Dont think so Hog.
The "2" is a two way for telemetry.

It will work fine, but if you dont want telemetry (which I think is still BRCA illegal) then Id stick with the V8R4 and save the readies :lol:

benl 10-07-2012 08:57 AM

Awesome thread,
I am using a cheapy 2.4 tamco system at the moment and wanted to upgrade but didn't want to spend more that the cars worth on a transmitter.(also its really glitchy with my savox servo).
I really liked the look of the old KO Esprit 2's so I have bought one off of ebay and just ordered from Giant Shark:

1off Frsky 2.4Ghz Conversion ( Hack ) Module

1off Frsky V8FR-II 8 channel receiver (mainly because I liked the look of this one)

Cant' wait for it all to arrive now!

Jamie.T 10-07-2012 09:49 AM

I installed the hack module and 4 channel receiver in my futaba 3vc last week and tested it over the weekend. I'm happy to report it worked faultlessly and far outperformed my Spektrum pro module.

Our track is located near some over head cables and the Spektrum was having glitching issues despite trying different receivers and 2 different modules. The Frsky unit didn't glitch once all day..

It took me literally 20-25 mins to fit into my 3vc and bind up with the new receiver which was extremely simple. I'd recommend this system to anybody thinking of converting.

If anybody wants help or advice on fitting into a 3vc, drop me a p.m and I'll be happy to help.

DCM 10-07-2012 09:51 AM

Post install pics Jamie, so people can see where the wires go etc?! :thumbsup:

Jamie.T 10-07-2012 09:57 AM

I'll try and get some up later today Steve.

Hog 10-07-2012 10:33 AM

Quote:

Originally Posted by Cardnim (Post 673063)
Dont think so Hog.
The "2" is a two way for telemetry.

It will work fine, but if you dont want telemetry (which I think is still BRCA illegal) then Id stick with the V8R4 and save the readies :lol:

Was just having a nose around on an overseas site and the V8R4 didn't seem to be listed now - only the "2" version.

Ah well - I'll order from the UK where the V8R4 is still listed.

Cardnim 10-07-2012 10:53 AM

Quote:

Originally Posted by Hog (Post 673109)
Was just having a nose around on an overseas site and the V8R4 didn't seem to be listed now - only the "2" version.

Ah well - I'll order from the UK where the V8R4 is still listed.

Hmm, not sure why that would be.
If you go to FrSky's own site, you can see all their recievers listed and it shows which ones are "discontinued".
The V8R4 is still showing as current.

But as you say, if its the same price then why not - at least if you upgrade int he future and want to have some fun with telemetry your reciever will be ready to go!

...which reminds me, I really want to get started on a telemetry upgrade for my own FrSky models. :thumbsup:

John_Parker 17-07-2012 06:41 PM

V8R4 antenna wire broken
 
1 Attachment(s)
I managed to snap off the short antenna wire on my V8R4 even before I've converted my tranny. Having pulled off the yellow goo, I can't work out which pad on the PCB the wire was soldered to. Has anyone had this problem and can tell me if it's pad 1 or 2 on my shot below (I hope it's 1, as 2 is too tiny for my eyesight/soldering iron!)

JCJC 17-07-2012 07:28 PM

http://www.rcgroups.com/forums/showthread.php?t=1512827

Don't know if this is helpful or true, google found it


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