Johnny's HK Flowmaster

[TheShaddix]

My buddy who bought my flowmaster gets about 90 mph from 42mm props (2 bladed x442 octura). No heat at all, the boat comes back barely warm every time. 6S, 2075kv on turnigy lipos. And it's a very heavy boat. If all you care about is top speed, then any amount of blades is fine.

[Prodrvr]

I'll try a 2 blade

[Prodrvr]

I want to derail this talk for a second and maybe you can enlighten me, being that we're talking 2075Kv on 6s. I watch tons of videos of fe boats. I see a LOT of people running 2000-2200Kv motors on 6s which according to fe law (almost everyone on every forum) that I've read, is way too much voltage for such a high Kv. Are people who run high voltage on high Kv motors burning up their equipment all the time? I mean, unless you have a huge area to run, because at 90mph, you run out of real estate fast. I would say you're at WOT for maybe six seconds at a time. I would think that it's not enough time to really do major damage to motors/esc's, or maybe I'm wrong?

[Beaux]

Get a hold of kfxguy he's running good speeds on 4s , 80 & 90 mile an hour with no problems reported.

[kfxguy]

Get a hold of kfxguy he's running good speeds on 4s , 80 & 90 mile an hour with no problems reported.

3s is 80-83mph and 4s is 96-98mph single motor though. I'll find you a video. I don't cruise around with this boat. Speed runs only. I could prop it down and just cruise though if I wanted to.

[kfxguy]

Ok here's 3s on a high kv motor. It's under 3000kv though. I'm running two 5000ish mah packs in parallel for good voltage under load.

https://youtu.be/9OOP3RZiT9Q

And here's a customers boat. 4s in series. Neu 1515 2200kv. I could have got more out of it but this was a function test after the repairs he sent it to me for.

https://youtu.be/KaiVywdcMWY

Here's my old one going faster. Think this was 7s. I've gone this fast on 6s with another version and went even faster recently on 4s.

https://youtu.be/GlWajwBlup4

[Prodrvr]

Wow that's moving!

[Beaux]

What kind of prop are you using on the 3s.

[kfxguy]

What kind of prop are you using on the 3s.

I hope to you don't take offense to this but I'd rather not say. It's not a large prop and doesn't have a ton of pitch but it's not a good prop to sport around with.

[Beaux]

I understand none taken.

[Prodrvr]

What kind of prop are you using on the 3s.

I hope to you don't take offense to this but I'd rather not say

Whaaaat?

[kfxguy]

Whaaaat?

The main reason is if I say what it is you'll have people going buy that prop and putting it on their setup in hopes of going fast with it, but reality is it will burn some stuff up if you don't have the setup for it. I've got a beast of a motor and a 250 amp esc so I have no worries. Can in point: the people who asked what prop it is has a mean machine and he's trying to find an ideal prop for it but he doesn't have near the motor or esc to support it. I'm not saying he would use this prop then he's gonna have a fire. Or anyone else that doesn't have the setup to support it.

[Prodrvr]

Ahh that makes sense.

[grsboats]

You can run a 2000/2200 kv motor on 6S YES but it all depends on efficiency's hull/motor/esc/prop.......not forgetting also the maximum running time..... even with a small prop you can burn your electronics so start small..check temps every time and then prop up your system.

[Prodrvr]

You can run a 2000/2200 kv motor on 6S YES but it all depends on efficiency's hull/motor/esc/prop.......not forgetting also the maximum running time..... even with a small prop you can burn your electronics so start small..check temps every time and then prop up your system.

Got it!