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  1. Roger Ramjet

    F550 @ 2.7-2.9 KG Hot motor with all the kit running

    I would make a lot of sense if the CG issue was involved here. As the craft lifts off, the MC (Master Controller) receives inputs from accelerometers, and gyros which indicates a tendency to drop one side (likely the side your motor gets hotter now). To address this, the MC will spin that...
  2. Roger Ramjet

    Show what you filmed - Post Your Video Here

    Wow! This is some excellent work! Really loved all the sequences and the selected music gives a soul to this video. I am very impressed. I noticed a few sequences with Robinson 44 on the video. I have done several annuals on type and a good buddy of mine was, I believe, the first civilian...
  3. Roger Ramjet

    Turn your f550 or 450 into a 600,700,800 plus size

    Wow! This ship is pretty stable,,, Seems to fly perfectly, especially on a first test flight. Congratulations for your project and the results. If anyone had doubts, I think you demonstrated your point! I am also impressed with the current drawn; 14 + minutes on a 5000 mah leaving 20% in the...
  4. Roger Ramjet

    Hello from Seattle

    Ok, I understand. I think this is very good for the type of challenges ahead in designing, building and flying your own design. Quite a way to enter the hobby! I may suggest to you one important thing: you got to get flying! After all, your ability to familiarize yourself and develop skills...
  5. Roger Ramjet

    ritewing ZXL

    Hi Kloner and best wishes for the new year (since I missed Christmas...) Back to the real stuff now, nice smooth flying there (bank rate and angle). I was wondering if you use any telemetry in you Foxtech 7'' or just the video feed? Also, much like yourself, I use my Foxteck on a tripod with...
  6. Roger Ramjet

    Hello from Seattle

    Hi Chris and welcome aboard! I think that you are very fortunate to have found this forum. As you will quickly discover, all the members I have talk to so far are absolute passionate enthusiasts and very generous with their time and advice. There is a incredible amount of information on this...
  7. Roger Ramjet

    Can I get a little soldering advice?

    The pic 0193 shows a strange ground (black) cable soldering. It may just be the picture but it seems not as centered and not as well soldered as the others. Check it out. Otherwise, I see a big progress in the soldering and I am convinced that you can see it too. It looks OK to me as far as...
  8. Roger Ramjet

    Can I get a little soldering advice?

    For your information CopterCop, I have soldered various electronic components on PC boards for large corporations in the field of optic fiber/high speed communications. The boards were over $500, 000 each and we always used flux (liquid) for soldering and unsoldering. Micro chips with 240 legs...
  9. Roger Ramjet

    Can I get a little soldering advice?

    Totally agree with IrisAerial. I think that if you take both our advice and methods, you will have a nice and SAFE soldering job. You want a strong soldering iron (40 W min, I have a 160 W...) and you have to heat up quickly, get wet and pull out with everything in place. For this, the use...
  10. Roger Ramjet

    F450 w/ Naza will not take off?

    Hi Harry and welcome aboard! Very important, make sure that the proper prop is installed on the proper motor. Look carefully at the prop and determine in which direction it has to turn to push the air backwards. Looking at the hub (center) the pitch angle is much more pronounce, so it is easy...
  11. Roger Ramjet

    Can I get a little soldering advice?

    Oops...houston...we have a problem!!! Happy to see that you enjoyed the video I suggested for you BUT the picture you are showing is a excellent picture of a COLD SOLDER i.e. NO GO!!! do not fly with this, you are exposing yourself to a lot of rebuilding, rather sooner than later. Have a look...
  12. Roger Ramjet

    Turn your f550 or 450 into a 600,700,800 plus size

    Looks very sharp! Very impressive indeed.... I am sure we will hear about that one,, Keep us informed of the flight test results.
  13. Roger Ramjet

    Can I get a little soldering advice?

    Hi! All very good advice here but if you never soldered a wire in your life, you really need to have a look at some free soldering videos such as this one: http://www.youtube.com/watch?v=BLfXXRfRIzY It explains and shows what we are referring to and I think makes the learning process faster...
  14. Roger Ramjet

    Dji frames

    IMHO it is better NOT to use anything on the screws. I use them as indicators for potentially dangerous situations regarding vibrations or imbalance in flights loads. That is to say that I recheck all the screws every 30 flights or so. If they all require a quarter turn, them all is well but...
  15. Roger Ramjet

    Turn your f550 or 450 into a 600,700,800 plus size

    Thank you for posting this mod! I see that a lot of people seemed interested, including myself. Looking forward to see additional info.
  16. Roger Ramjet

    Cold feet syndrome after mysterious crash, am I alone?

    Thanks Peter, I will definiteky have a look at it. Also, tell me, was is HPR?
  17. Roger Ramjet

    F550 Twitching any ideas

    Sorry, can not help you with this but post the question as a separate post and I am sure many of us are expert on this subject. If you are willing to spend that kind of money on a gimbal, you have to make sure you get the right one for your specific use. Myself, I simply use a X-468 landing...
  18. Roger Ramjet

    Ultimate Thread Drift Thread, 2013

    Hey Bartman! Sorry to see that you are not feeling too good, especially around Christmas. Well, here is a special gift for you, from one pilot to another..... my 100 post! (Ha! Ha!) Happy recovery and many more landings! Rodge up North
  19. Roger Ramjet

    F550 Twitching any ideas

    You just have to cut off the male connector (real close to the connector because there isn't a mile of extra play in the wire) strip to expose about 1/4 in of bare wire and solder directly in the brass female connector (fill it up real good with solder). To do that you will require to cut about...
  20. Roger Ramjet

    F550 Twitching any ideas

    Got the same scary problem with my F450, I honestly believe that it has to do with the bullet style connector between ESC and motors. Easy fix, check out the link. It did the trick for me and for many others... OK, you have to unsolder 3 wires if you want to replace a motor but how often do...
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