HPR C5009 bouncing - help

[Amisol]

Hi,

My setup is:
HPR C5009
2 x leopard 4082 2000kv
2 x seaking 180a v3
2 x cnc 44mm props (pitch 1.4)
2 x gens ace 6s 5000 mah 60c

The hull bounces a lot. I've lowered the stingers, and it got better 10 percent. But still a lot bouncing. The left motor is set to run left, and right motor runs right. Any suggestions?

Videolink of bouncing: https://m.youtube.com/watch?v=IB5uJKyN3W4

Here are some pictures of the inside of the hull. And the stingers are lowered, the batteres are placed as front as possible:

IMG_0780.jpg

IMG_0779.jpg

IMG_0781.jpg

IMG_0782.jpg

IMG_0783.jpg

Thanks for replies :)

[fweasel]

Where is your center of gravity with the batteries as they are? Also, your left motor cooling lines are plumbed backwards.

[srislash]

Mmm, I am going to say possibly transom lift. But these hulls have rude characteristics till they are up to speed.

What kind of angle is on the stingers?

I just looked at your pics. I would first try swapping the props/cables over. And of course changing motor directions. I have not seen anyone run these with outward spinning props, only inward.

Shawn

[Prodrvr]

Raise the stingers, it looks like there's too much negative trim. Bring them to level with the sponsons, then test again.

[Amisol]

Thanks, guys :)

Will try to do some changes.

[numse]

Hi

Good working Center of gravity is around 29,5 cm from the start of the transom.

[Amisol]

Now the hull is working fine, no bouncing. Thanks for the replies. I had to switch the rotation - now i have inwards. Here's a short drone video of the boat: https://www.youtube.com/watch?v=ln-Cubt453U

[Bradb74]

Hi,

I'm putting together the same boat, how fast is yours with this setup?

Thanks,

Brad

[Amisol]

Approx 76.5 mph. https://m.youtube.com/watch?v=ln-Cubt453U

[Bradb74]

Awesome, thanks

[Nikolas Andriop]

With this setup you sould use at least X447mm props

[jeff351]

That drone video is really slick!