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United States
Joined Feb 2001
16,135 Posts
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South Africa, WC, Cape Town
Joined Dec 2009
1,198 Posts
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The 14SG has a built in S.bus programmer.
Is this programmer compatible with all S.bus servo's, just the 4.8V-6.0V S.bus servo's or the HV servo's? It appears the new HV servo's require a different PC programme called S-link whereas the older servo's required PC-link. I get the feeling this has not been thought through and Futaba are making a hash of there product line with may too many different technologies |
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Joined Jun 2011
65 Posts
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T8fg / t14sg & EZUHF w/o ext. lipo
Can I use a step up 12v converter inside the Tx so the voltage supplied by the futaba plug to the ezuhf is 12v?
I really. Would prefer to avoid using an external battery for the ezuhf, it is much better if the UHF tx is powered automatically with the futaba on/off sw. as well. Enough space inside? What about rf interference ? http://www.ebay.com/itm/Classic-car-...-/350436684000 |
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Joined Sep 2009
352 Posts
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Get any of those CPPM FASST RXes (eg. FrSky TFR4, http://www.frsky-rc.com/ShowProducts.asp?id=106 ) and bind it to the Tx in Multimode & connect it to the Immersion module. If you want to runt the ezuhf on 3S I suggest you use an adapter to connect 2S from your packs balance lead or an ubec to power the Rx. Then put it all in a box on a tripod or something and place it on a good spot within your Tx range. Youll loose a frame or two (in latency) which probably wont be noticeable assuming youre not using the immersion for eg. hard 3D on some small 250 heli
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According to page 64 of the manual the only S.Bus servo that cannot be set using the 14SG is the S9070SB servo. All others can. The software you referred to does not apply when using the 14SG or 18MZ built-in S.Bus programming feature.
The 18MZ has the same limitation. I think this is because the 9070 was the first S.Bus servo and for some reason it is only compatible with the PC-based software. |
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DeBary, FL
Joined Nov 2010
578 Posts
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SC controls two channels
I'm working on a flour-based electric powered smoke system. Someone posted a purely passive system that used simply airspeed to create airflow to move the flour, but it worked fairly unspectacularly. I spent a couple of hours writing up why it didn't work so well, trying to rearrange things for it to work. Eventually I decided though that there really wasn't enough 'air power' to make it work and it'd be 1000x easier to add some electric power.
So I'm using two small motors, one is an air pump and one is a fan. Both brushed. (They -could- be operated off one channel and one simple switch but for this prototype I'd -prefer- to operate them off two channels and two tiny brushed ESCs. (ESC vs switch is pretty close to the same price anyway.)) Part of the reason for using dual channels and dual ESCs is that I -may- want to use LD and RD to vary the speed of the motors. It may not be necessary or even useful but I want to leave that option open. I want to use SC to control both motors such that pos-0 leaves both motors off, pos-1 turns on one motor, and pos-2 turns on both motors. After reading through a bunch of posts here I have two P-mixes very close to working but not quite. I've got the mixes and SC assigned such that in the P-mix screens the setup -does- say the switch is turning on the mixes correctly, but I'm having difficulty 'sending the command to the channel.' Here's what I've got: In Link - Function I have 'nothing' assigned to Ctrl or Trim for Aux1 and Aux2. In Mdl - Prog Mix screen 1 I have: 1 [On/Off] Aux1 -> Aux1 2 [On/Off] Aux2 -> Aux2 In both P-mixes, screen 2, I have the SC correctly set up with OFF-ON-ON and OFF-OFF-ON, such that when I toggle the switch the ACT indicator in screen 2 and the on/off indicator in screen 1 behave correctly. That's good. (I've had enough experience setting up surfaces with triple rates to figure that out.) But in the Servo screen I see no activity because I don't know how to assign the output of the mix to a channel -except- for the Function menu. In both P-mix menu screen I haven't changed anything else, Linear, Link, Trim, and it may be something in there that I need. I hacked around a bit with Points and Offset but gained no new insight so changed them back to default. -If- I assign CH 5 and CH 8 to SC in the Function menu, the Servo screen -does- react, but not as desired. Both pos-1 and pos-2 of SC turn on -both- channels, first from -100 to 0 (half speed) and then to +100 (full speed.) I need pos-0 to leave both motors off, pos-1 to turn one motor full on, and pos-2 to keep the first motor on and also turn on the second motor. So the Q is, if not the Function menu then where do I assign the output of the mixes to control the channels? Thanks much for clues. 'Film at 11' if it works well enough.
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France, PACA, Aix-en-Provence
Joined Dec 2007
155 Posts
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Optimal Antenna placement
Quick question.
I have always wondered this about my 8FG... When I used to fly with my TM-7 module, I used to point my antenna downwards with a slight inclination to have my planes perpendicular to the antenna. The 8FG only allows me 90 degrees of motion on the antenna. My solution is to fly with the antenna horizonal to optimise my signal. The only drawback is that I will need to face my plane... which is usually the idea :-) But when I look away at something/someone, I may risk a reduced signal if I turn my TX away as well. I always reckoned a downward pointed antenna reduced this directional sensitivity. What are your thoughts on this? |
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