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Prop upgrade Question

Discussion in 'Phantom FC40 Discussion' started by Mattsimok, Mar 5, 2015.

  1. Mattsimok

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    I had a couple of questions about props, currently flying with the stock ones. Is the any reason I should upgrade? If so to what, and how can I make sure they are compatible? I've read that certain props aren't balanced (whatever that means) or certain ones only work with certain models? What is the difference other then length between 8" and 9" props? Ebay is full of props, but I've read some horror stories of props flying off mid flight. My primary use for my copter is filming with a gopro attached if that matters.

    ~Thanks in advanced!
     
  2. IflyinWY

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    I fly the FC40 from elevations ranging from 4,500 to 8,000 feet above sea level.
    I fly with a 200 gram gimbal, a GoPro, a 4000 mah battery and prop guards.
    I've used stock props, 9443 props and the 9450 props. All three spin right on the motor. :D
    I always buy genuine DJI props.

    If you look very closely near the center of the prop, the root, on the top, you will see small raised lettering which is found on DJI products. I don't know about the others.

    There's quite a bit of info on balancing here in the forum. It's a good idea if you buy off brand.
    Mine have never shaken the bird enough to worry about.


    I like the 9450 best:
    http://www.amazon.com/gp/product/B00MX3 ... UTF8&psc=1

    http://www.amazon.com/gp/product/B00K44 ... UTF8&psc=1
     
  3. Mattsimok

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    Great Info! You've been such a help thanks so much! Between the 3 which do you like best? The 9450? Why when compared to the other two?
     
  4. IflyinWY

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    Glad I could be of help.
    You're welcome.

    The search function in the forum isn't very good.
    I'd like to suggest you use this when searching for something within the forum:
    https://www.google.com/cse/publicurl?cx ... jku2ysgyhi


    9450 is my favorite.
    The air density at the altitudes I fly is much less than near sea level.
    The higher pitch of the 9450 seems to carry my load better and gives me greater flight times.

    The stock 8 inch props just don't cut it up here.

    The 9443 is a good prop. I've heard many folks recommend it over the 9450 when filming. They say it's smoother. I don't know.
     
  5. Jermz

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    The main thing to remember is only buy genuine DJI props. If you can't tell if the ones you're looking at on eBay or Amazon are genuine, buy some from a retailer like B&H to be sure they're real.
     
  6. Spiritskeeper

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    The larger/longer prop rotates slower giving less vibration. The 9 in the 9443 and 9450 is the prop length. The 443 and 450 is the pitch rating.

    9450 is a more aggressive and steady prop than the 9443. I run 9450 now. I used to run the 9443 but after a crash I switched to the 9450 and my bird is noticeably more stable.
     
  7. Jacob

    Jacob Administrator
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    There are alot of opinions on Carbon Fiber Props vs. not using carbon fiber props. In my opinion, just use the stock DJI props. You can try out the thrust-boosted ones, although, I did a flight time test and didnt see a difference.
     
  8. IflyinWY

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    Hey Jacob, what's your field elevation?

    I don't hear folks near sea level getting the same results as me at 6,000 feet.
    I'm thinking it's my altitude that makes the 9450 a better prop for my FC40.
     
  9. Spiritskeeper

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    I am at 600 ft. That's not sea level but it's a mile lower than you. The 9450 gives my phantom a big stability gain.
     
  10. Mattsimok

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    Just recieved my 9450's today and I noticed an incredible difference, especially with flight time HUGE difference, for the record I'm 2,000 feet above sea level
     
  11. IflyinWY

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    :D NICE :D
     
  12. dtitus6297

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    9450s are the best by far. Added speed and flight time, only downside is I get a little wobble on a quick deceleration straight down. The trick is to move forward while descending quickly and no more wobble
     
  13. dtitus6297

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    The 9450 added 2 min onto my flight time. I get 12 min on the stock battery with light flying and 10-11 min with heavy flying
     
  14. Fossarino

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    Recently started flying with the 9443 prop. They added about 3-3.5 minutes of flight time and added quite a bit more noise too.. Very loud but stable and speed up the phantom too, a noticable difference. Down side is they are longer than the prop guards and motors run a little warmer
    For the record 15 feet above sea level
     
  15. jumanoc

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    I'm at 6300' ASL and after replaced 9443 with 9450 props, got less wobble while descending. Flight time similar with both models.
    Now waiting for these:
    http://www.ebay.com/itm/261751725224
    [​IMG]
     
  16. IflyinWY

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    WoW jumanoc,

    That's a good find, 4 9450 Props For Phantom 1&2 Vision 3 BLADES Propeller 9.4x5.0, for $17.

    I wonder how difficult those will be to balance. Their NOT DJI and take 3 to 4 weeks on the slow boat, but what the heck.

    I've gotta try those puppies.

    Thanks for posting the link. :D
     
  17. IflyinWY

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    I think the 9450s are quieter than the 9443s.
    Maybe it's just a different tone which I don't hear well.

    I bought these prop guards when I upgraded to the 9443, they also work with the 9450s.
    Guess I could have mentioned that earlier... oops.
    http://www.amazon.com/gp/product/B00I4N ... UTF8&psc=1
     
  18. Spiritskeeper

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    Ordered.
     
  19. jumanoc

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    Also You can go a Pro Foldables:
    http://www.rcgroups.com/forums/showthread.php?t=2207204
    http://www.infinity-hobby.com/main/product_info.php?manufacturers_id=&products_id=10792


    And
    Here there is How To Balance a Tri-Blade propeller. Easy way with a balancer and some tape:

    [youtube]https://www.youtube.com/watch?v=n82PmM7YObo[/youtube]
     
  20. Beario

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    Just ordered a set :D