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Type: Posts; User: cmoulder

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  1. Replies
    18
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    830

    No AC, but if you have 5 or 6 batteries you are...

    No AC, but if you have 5 or 6 batteries you are pretty much set for the day. However, you are welcome to plug into my generator if you don't want to bring one.
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    866

    +1 on the Honda generator. check out...

    +1 on the Honda generator. check out wisesales.com

    The price might not be the rockbottom lowest you can find on the web, but service is excellent, shipping is cheap and fast.
  3. Yes, weight is much better than APC, and the...

    Yes, weight is much better than APC, and the difference is a bit more than that. I did some comparisons and the similarly sized APC's weigh more than 130g, if I recall correctly. So to go from APC to...
  4. Looks fine, but at 73g it is almost twice the...

    Looks fine, but at 73g it is almost twice the weight of a Falcon v2 (37g).
  5. Replies
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    1,444

    Looking forward to your results. It will be...

    Looking forward to your results. It will be interesting to see how many mAh's used for a typical flight..

    I have been hoping for some time that the dual-motor configuration can be made practical...
  6. Replies
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    1,444

    I am not (yet) a contra user. However, just a...

    I am not (yet) a contra user.

    However, just a suggestion based upon everything I have ever seen and read: Add some significant fences to the stabs to improve yaw stability. Maybe also a strake...
  7. Thread: Rudder TE

    by cmoulder
    Replies
    14
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    925

    Here is something else to consider regarding...

    Here is something else to consider regarding flared trailing edges: Start watching this at 4:27 and watch what happens to the airflow when a flap is deployed. Think of a flared TE as sort of a mini...
  8. Replies
    1,665
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    225,494

    Just move the control link point farther in...

    Just move the control link point farther in (toward the output gear hub) on the servo arm, increase rates.
  9. Replies
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    3,398

    Quick and easy starter kit, for a 2-meter...

    Quick and easy starter kit, for a 2-meter setup... CellPro 10xp with JST-XH balance board (and JST-HX extensions optional, but they make life a lot easier), 24-volt power supply from...
  10. Replies
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    3,398

    I have 3 sets of the Hobby People 4500's and they...

    I have 3 sets of the Hobby People 4500's and they are doing great thus far for AMA Masters. Less than a kilo (996g) for a pair, even though they are advertised as 530g each. IR's are similar to what...
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    520

    That's where I got mine about 3 years ago. Great...

    That's where I got mine about 3 years ago. Great service and prices, and the shipping cost was extremely reasonable as well. I got the 1000w unit and the shipping was about $15 and very fast.
  12. Replies
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    879

    I'm sure the Hitec PS is a nice unit, but for...

    I'm sure the Hitec PS is a nice unit, but for $118 (PS + dual power cord) the Feathermerchant PS gives you 24V/47A vs Hitec's 18V/30A. Just sayin...
  13. Replies
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    879

    I'm using two CellPro 10XP's and an iCharge 3010b...

    I'm using two CellPro 10XP's and an iCharge 3010b and both work great. However, the CellPro units get pretty warm (Hot, actually) when ramped up to full output, which in my mind doesn't bode well for...
  14. Replies
    168
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    17,471

    What material is easier to work with than...

    What material is easier to work with than ply??!!;)

    I never got around to building a second one, but the first one didn't take that long once I got it in my head conceptually how it worked and was...
  15. Replies
    168
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    17,471

    That weight is very respectable considering it...

    That weight is very respectable considering it includes 4 stand-offs! Nice work!
  16. Replies
    168
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    17,471

    Choihjin, sorry to interrupt here, but having...

    Choihjin, sorry to interrupt here, but having built one of these with the expert guidance of Matt, in my opinion the carbon fiber facing is totally unnecessary. Looks cool, but simply fuel-proofing...
  17. Replies
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    18,462

    Apparently not (at least not by anyone monitoring...

    Apparently not (at least not by anyone monitoring this thread)! However, reading through this thread it has been used successfully with several different motors with good results. I have more than...
  18. Replies
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    9,727

    Superb investigation, Alex. I would not be...

    Superb investigation, Alex.

    I would not be surprised to see pattern plane designers follow your lead and experiment with these concepts.
  19. Thread: Venus II

    by cmoulder
    Replies
    1,846
    Views
    206,480

    Thrust test sounds fine to me. For the...

    Thrust test sounds fine to me.

    For the mid-flight trim changes, you might put them on a 3-position Tx switch so that you don't have to 'fish around' to find them, and also remove the guesswork...
  20. Replies
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    9,727

    Whoever said spiraling air 'doesn't exist' is...

    Whoever said spiraling air 'doesn't exist' is likely a Republican Scientist who moved to aerodynamics after disproving climate change.

    Yeah, Joe, science is no place for skeptics, eh?! LOL
    ...
  21. Replies
    288
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    35,325

    I'm sure someone will correct me if I'm wrong,...

    I'm sure someone will correct me if I'm wrong, but aren't there two "zero judges" in addition to the 5 maneuver judges at the Nats Finals? As I understand it, their sole purpose is to advise the...
  22. Thread: Venus II

    by cmoulder
    Replies
    1,846
    Views
    206,480

    Agree, relocating the tank is a relatively simple...

    Agree, relocating the tank is a relatively simple project. See posts #1162 and 1166.

    I was using an OS 1.20 4C with a Perry Oscillating pump and it ran better than ever with no in-flight leaning....
  23. Thread: Venus II

    by cmoulder
    Replies
    1,846
    Views
    206,480

    IMHO the first step toward sorting out any of...

    IMHO the first step toward sorting out any of these issues is to move the fuel tank to the CG, or as near as possible given the present problem. The CG changes - annoyingly! - every flight as fuel...
  24. Replies
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    2,202

    According to Mayr's specs this thing is 4.65kg,...

    According to Mayr's specs this thing is 4.65kg, with a 1kg battery. Not many 1kg batteries out there... not yet anyway.

    Not to dredge up the whole 5kg/2m rule debate, but isn't it amazing the...
  25. Thread: DLE30!

    by cmoulder
    Replies
    5,231
    Views
    580,069

    That is a lot of damage. Even if you replace all...

    That is a lot of damage. Even if you replace all the obviously mangled parts, there are a lot of small bits in the carb whose damage may not be obvious but could bedevil you for a long time. Write it...
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