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Type: Posts; User: aeajr

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  1. Replies
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    Views
    33,282

    Sticky: No special considerations for a shorter hi-start....

    No special considerations for a shorter hi-start. I have two. One is 100 feet of rubber and 400 feet of line. The other is 25 feet of rubber and 100 feet of line.
  2. Thread: ESC problem

    by aeajr
    Replies
    1
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    120

    I take it you have no documentation for the ESC....

    I take it you have no documentation for the ESC.

    My experience is that most brushless ESC will work with most brushless motors. Some may be better matched but I have not seen a combination that...
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    111

    Interesting. Sounds like you are talking about...

    Interesting. Sounds like you are talking about racing boats.

    I imagine that people setting up high performance aircraft might be prone to messing with timing too. I don't race power planes. I...
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    111

    Hummm, I wonder why timing would be such a big...

    Hummm, I wonder why timing would be such a big deal for boats. They are just turning smaller props in a more viscous fluid. Perhaps for the hot start off the line. That is not typically an issue...
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    .7a charge rate on a .3ah pack is WAY too high. ...

    .7a charge rate on a .3ah pack is WAY too high.

    Hopefully there was no damage. 30 minutes would be about right but that is way too high of a charge rate.
  6. Replies
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    108

    Did you select the motor and Prop? That is what...

    Did you select the motor and Prop? That is what will tell you how many cells to use.

    What Prop are you using?


    Then you need to know what the amp draw will be. If the MFG does not...
  7. Replies
    3
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    139

    I don't see any problem with your charging...

    I don't see any problem with your charging approach. In fact I have that charger and use it for receiver packs often.

    What rate did you charge at? Should have been around 50 to 100 mah.
    ...
  8. Replies
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    111

    In 12 years of flying I have never made any...

    In 12 years of flying I have never made any adjustments to the frequency on an ESC. Just leave it at default or "normal" or "standard" and it should work fine.
  9. Replies
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    Do you have a photo or a diagram? I can not...

    Do you have a photo or a diagram? I can not visualize what you are doing.
  10. Replies
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    577

    28-30-950 will work with an 8X6 prop if you can...

    28-30-950 will work with an 8X6 prop if you can make that work.
    http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXLWT6&P=7
  11. Replies
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    577

    Nope. No correlation between kV and flight time.

    Nope. No correlation between kV and flight time.
  12. Replies
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    577

    That is a good weight range. That motor seems to...

    That is a good weight range. That motor seems to be a good fit for this plane given the additional information you have provided. Good fit! I would probably go to a 1600 - 2000 mah battery for a...
  13. Replies
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    577

    The weight that is needed for the calculators is...

    The weight that is needed for the calculators is all up, ready to fly weight. So the numbers provided by bhorton are very useful. Empty frame weight is not helpful in the calculations. We need to...
  14. Replies
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    577

    Changed weight to 50 oz and this time selected 4S...

    Changed weight to 50 oz and this time selected 4S pack. new recommendation.

    Motor Recommendations


    Best Combination



    Performance
  15. Replies
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    577

    Just examples but I have found the rimfire motors...

    Just examples but I have found the rimfire motors to be very good. Even if you don't care for Rimfire motors for some reason you can use the specs to go hunting for other brands, but Rimfire is a...
  16. Replies
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    577

    I changed the selection to 55 ounces Flight type...

    I changed the selection to 55 ounces
    Flight type to sport
    Prop is still at 10" max
    Battery recommendation came back at 3S 11.1V

    Now we get a 35 mm motor and 114 watts/pound - good sport...
  17. Replies
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    577

    OK, that helps. The best way to size electric...

    OK, that helps.

    The best way to size electric power is by watts/pound. So a 60 ounce target is about 4 pounds.

    Depending on what kind of performance you want we then target

    75...
  18. Replies
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    577

    Any idea about the all up weight?

    Any idea about the all up weight?
  19. Replies
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    153

    You posted this in the airplane section. I am...

    You posted this in the airplane section. I am going to move this to the car section where you are more likely to get the help you need.
  20. Replies
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    That is why there are indoor models, micro planes...

    That is why there are indoor models, micro planes and copters.

    Watch out for the Lladro and the Hummels ..... glue ... where is the glue? ;)
  21. Replies
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    Why would you prefer a brushed set-up? Nobody...

    Why would you prefer a brushed set-up? Nobody puts in brushed systems anymore. That would be like putting an hand crank on your car.

    Please include link to info about your airplane.
  22. Thread: Rimfire 50 Help

    by aeajr
    Replies
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    99

    Info added to my previous post.

    Info added to my previous post.
  23. Thread: Rimfire 50 Help

    by aeajr
    Replies
    3
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    99

    Let's start with complete information. There is...

    Let's start with complete information. There is no Rimfire 50 motor that I can find.
    http://www.electrifly.com/motors/gpmg4505.html

    What motor do you have?

    There is a Rimfire .55 but that...
  24. Replies
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    299

    Looks like you have the experts working on the...

    Looks like you have the experts working on the problem now. Good luck with getting everything sorted out.
  25. Replies
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    299

    Not a problem. Just trying to get you to the...

    Not a problem. Just trying to get you to the place where people will know how to help you. Cars are different from airplanes in how the motors and ESC are set-up and the workloads evaluated. For...
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