Started by Yoyo, March 29, 2011, 18:49:38 pm
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Quote from: Thoughtful_Flyer on March 29, 2011, 19:16:59 pmWell, I think it looks excellent and is far better than an external module relying on a plug and socket.Sadly some people will say you have committed a hanging offence and will certainly be banned from some show flight lines !One design weakness is the lack of warning when in range check mode. On Spektrum you have to hold a button down for the whole range check. Futaba (on the complete transmitters at least) bleeps every few seconds. However all you have is a light which turns green when the power is reduced AND the low power locks on until you press the button again or turn the transmitter off. This is a stupid piece of design in my view - you may wonder how I know that..........................
Quote from: bennyh on April 08, 2011, 12:55:15 pmThanks so much for posting this YoYo as I was planning on doing the same as you. Was considering the one-way kit, but sounds like 2 way is better option overall.You mention live signal strength and battery low indicator (of the FrSky)...how do you access these functions from the SX exactly? Is it possible to get a receiver voltage display on the hacked SX?CheersBen
Quote from: bennyh on April 09, 2011, 07:27:25 amMagic Yoyo. Just what I needed, will do this soon.I wonder if the beeping would get irritating after a while though. Perhaps a headphone socket would be good.
Quote from: ddark on May 07, 2011, 08:03:03 amI have fitted FrSky (no telemetry) module in my Cockpit SX, you can some photos here (it's Croatian language but pictures tell everything):
Quote from: bennyh on May 21, 2011, 13:49:52 pmHi Yoyo,I've now done a copycat install. All seems to work well. One slight concern is that the bind button PCB seems to be getting crushed by the battery. Did you remove any of the case material?All in "multiplex 2.4" for £80. Bargain.
Quote from: Yoyo on May 21, 2011, 14:03:56 pmI did - I removed some of the angled supports round the hole to give the button/led PCB a flat surface to glue onto.I'm also thinking of fitting a Lipo instead which will make loads of room - just bring the balance lead out so you can charge through it pretty safely while it's still in the tx.Not sure yet whether it will work with a 2S but a 3S is too much.
Quote from: bennyh on May 21, 2011, 18:32:05 pmbu66er it, I've knocked off the bind microswitch when I tightened up the case! Unlike Yoyo I'd not removed any plastic from around the little hole. To make things worse I heated the switch up with a haridryer to remove the hot glue, and it blew away into nowhere. Luckily I already bound my Rx, and all works fine, but this will need sorting out sooner or later. I guess I can get any push-to-make microswitch and solder it onto the board, but it would be nice to find the correct component to replace it. Any ideas how to go about finding this bit?
Quote from: bennyh on May 21, 2011, 18:32:05 pmTHe other thing is that my 8Ch receiver is too big for my glider unless I remove the case. Is this acceptable if I cover it in electrical tape and take precautions to avoid the bind switch being activated mid flight?
Quote from: bugsb on May 21, 2011, 18:39:37 pmmy sx has been running on a 2 cell 2100 since new (2 years) a 3 cell is way to much Ron
Quote from: bennyh on May 21, 2011, 19:04:02 pmYou are a gentleman and a scholar Yoyo!I can't see any big advantage in running a Lipo over the existing NiMH. You may worry about fires etc too.
Quote from: marcellus on May 22, 2011, 15:49:16 pmNiMh give plenty of capacity these days.The big downside of Lipo for me is leaving the Tx on overnight by mistake. One very dead pack. It doesn't do NiMh any good but it doesn't seem to kill them in one shot.I remove my Tx pack for charging in any case.
Quote from: Kozmyk on May 23, 2011, 03:50:28 amIf you can live with 6 channels then the D6FR Rx is much smaller and still has telemetry.For Tx packs I'm moving over to LiFePo. They happily charge at 1C so no overnight wait if you forgot to check last night.
Quote from: Yoyo on May 23, 2011, 07:33:50 amYou cant use the D6FR with a cockpit SX if you have flaps though - it won't let you reassign ch4 from throttle to a flap channel, only to a few other things.So you always need a 7ch rx for a six servo glider. A great pity.
Quote from: Yoyo on May 23, 2011, 07:33:50 amLifepo look good, but as others have said NiMH works just as well for this use too, and if you can get a pack made in the right shape then the capacity matches Lifepo too.
Quote from: Yoyo on May 21, 2011, 18:47:32 pmIs that the M-Link or the 35MHz? I've seen reference to the M-Link being fine with LiPo's, can't find any confirmation about the 35MHz version though. I suspect they are quite different inside.
Quote from: bugsb on May 24, 2011, 19:48:01 pmits the 35mhz which leaves alot more room for the 2.4g mod i want to add a sw to mine so i can use it as 35mhz and 2.4g Ron
Quote from: Yoyo on May 24, 2011, 21:23:28 pmOther than mixed flap/aileron, for everything else both flaps do the same thing. So if I just give that up (the ailerons are big enough anyway) and use a Y-lead to do both flaps from the one working flap channel, I can still do crow, camber and reflex with a 6ch rx. I might try that in my Acacia when I find it again...
Quote from: Patmac on May 25, 2011, 23:07:17 pmIf you use a Y lead for flaps they will work in opposition like ailerons unless the servos are mounted asymmetrically. AFAIK the electronic Y lead only works in "Easy" mode & with ch 7 but something should be possible with a free mixer.
Quote from: bennyh on May 25, 2011, 07:02:02 amReading the manual, it looks like signal strength is automatically sent to the transmitter, but receiver battery voltage requires a voltage sensor to be plugged into the A port on the side of the Rx. I assume you then need some sort of screen read-out at the Tx end then?
Quote from: tomkfly on May 26, 2011, 08:11:43 amI believe the Rx battery voltage is standard and the voltage sensor is to measure additional batteries, such as the power pack in an electric or ignition in a petrol. Tom
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