What should my Zonda be running?

[Keagan-Z06]

Hey all, I've had my Zonda for about a month now. What should I expect from my setup below. I've read earlier post of Fantasm and Zonda builds but I can't compare older motors back then to what I'm using now to see if I'm close in setup.

Twin Leo 4082 1800kv
Turningy 180As
ABC 1815 S&B
4 3S SMC packs (6s) per motor

So far I've ran 62.5mph with an ESC that was cutting out. I think I've since resolved that issue but havent been back in the water since. I think my struts are neutral.

Many thanks

Keagan

[Keagan-Z06]

Anyone?

[rabosi]

On the turnigy 180a, setting the lipo count manually may help with the cut-off. So in your case, set to 6s (not auto lipo). Don't know about the speed but I would guess mid to upper 60's

[Keagan-Z06]

Thanks man. I'm hoping selecting the cell count manually does the trick. I have a set of x447s, not sure if it will be better for speed vs the 1815s?

[grsboats]

Both set of props are good but I would start with the X447 and check temps.Gill

[Keagan-Z06]

Thanks Gill,

I believe kfx gave high praises to the 1815s but my ESC keeps getting cut out mid run. I know one of my packs is reading 4.21, 4.19, 4.16. I'm hoping as mentioned above selecting the count manually helps. To the touch, both esc and motor were not even what I considered warm.

[rabosi]

I have one of those Turnigys and I had to set the cell count manually to stop the cut-off issue. They are similar to old Seakings that had the same issue. The 447s with your setup should get you around 70 mph. I have a cheetah with almost identical setup (Castle motors same kv) that gets 70. Good luck

[Keagan-Z06]

Thanks Bud, appreciate the feedback! I did try the x447s but the ESC went left before I could get a top speed run in. Will try calibrating them manually and give it another whirl

[Brandon Galles]

I'm running the following

Motors - Leopard 4082 1600kv
ESCs - Seaking V3 180a ESC's
Props - Octura x447's
Batteries - 6S 5000mah 65C (1 6S pack per side)
Timing set to 15 degrees

Best I've got up her to so far is 78.8mph. Temp after running on the ESC's hover right around 100-105F. Motors around 95-98F

[Keagan-Z06]

Thanks for chiming in Brandon, we run a very similar setup if not exact. Is the timing of 15 degs a factory setting? Or would you say it's on the limit? I haven't gotten the chance to run since I manually set the cell count for the packs. If all goes well and the ESC don't cut out then I can give the x447s and the abc 1815s a run each.

[Brandon Galles]

I'm not sure if it is the stock setting or not...However, I went in manually and programmed each esc for 15 degrees & 6 cells. As far pushing limits I'm not sure, so far I've been happy with my ESC and Battery temps after my runs (usually about 8-10 passes, packs come back at 3.8-3.9 per cell) The only thing that I've been slightly concerned about is the stock cap pack on the esc's. They generally are about 10 degrees or so warmer than the esc's themselves.

[slider46]

Thanks Gill,

I believe kfx gave high praises to the 1815s but my ESC keeps getting cut out mid run. I know one of my packs is reading 4.21, 4.19, 4.16. I'm hoping as mentioned above selecting the count manually helps. To the touch, both esc and motor were not even what I considered warm.

I would try doing a balance charge on those batteries that is a big spread between cells...

[kfxguy]

You should be above 80mph with that setup. You need to pay attention to detail. That makes a huge difference.

Make sure your flexes turn freely. Sand and polish them.
Sharpen rudder. Make sure there's no slack in the rudder or steering.
You need to disable low voltage cut off. Those escs are notorious for cutting out with the lvc enabled.
Shorten wires. Unnecessarily long wires adds resistance. That adds heat.
Good connectors. Ec5 are not what I consider good in a boat.
Make sure you have at least a 4-5mm gap between the drive dog and strut.
Is it running wet? Sounds like it might be. Either you have too much weight up front or the struts are more negative than they should be. Those props will easily carry the nose in the air. Start shifting weight to the rear. See how it acts. It should ride on the rear two pads and on my really fast boats mine ride on the rear pads and a little of the middle pads.
If your running it in the rough water I've seen you run in, 60-70 is about all you'd want to go anyway. You may not be staying at top speed long enough for the gps to refresh to get your true top speed. For it to be accurate a blip of speed will not do it. Check and do all I've told you and there's no doubt in my mind it won't go past 80 in calm waters.

[Keagan-Z06]

Was wondering when you would chime in Travis. I believe I have too much weight forward. I have since started to do the same mods you mentioned in the Zelos modding thread. It is running wet as while at full speed it's practically throwing water from he front pads at the sides. I will also disable LVC and see if that solves my issues. Thanks man!

[Keagan-Z06]

Would you also agree with 15deg timing? I no longer run in the water you use to see me in. I wait for calm days to run the Zonda.