Help I Need More Cheap Speed

[AustinWolv]

40mph isn't bad in large chop.

It you have access to a m445 or m545, I would try those before you do anything else.

Chop -> that was my thought too, so I want to get it on calm water again before making any moves.

M prop -> I do have a S&B M445, so will run that comparison the next time out also.

[rickwess]

Then moved trim up to 0 and then +18 (118%) to just below where the prop was spinning.

Next time, don't adjust the throttle trim after you arm it. Change your throttle travel to 120%. It's in one of the sub menus.

[AustinWolv]

Ah, I follow now. Misread your earlier post . Thanks

[AustinWolv]

This might well be a battery issue.

I say that because I ran my BJ29 today with 5S (Nano 2S + Nano 3S), and it was eh. I then put in two 2S Hyperions for 4S.......wow. The boat was flying and I actually had a blowover. The BJ29 was the kind of performance I expected out of FEs......it has a 1900kv with M445, and it was moving.....couldn't GPS it because the batteries on my GPS died, but plan to tomorrow morning. Once I brought it in, I put in two 2S Nanos and the speed was horrible -> WOT and no worry about any sort of blowover or worries about handling because the boat was slow as hell.

I've got some 4S' now that I need to switch connectors out on and then I'll test the Revolt again, as well as run the Hyperions again in it, but it appears the 2S Nanos I was using in it are crap.

[AustinWolv]

Follow-up on this, got 4 good runs in today.

Throttle travel at 100%. Light chop. Strut centerline is 0.43" up from very bottom of hull best I can measure. Turn fins all the way back and all the way up. Trim tabs are neutral or maybe up just a touch. Battery is pretty far back, not touching the motor, but maybe 1/2" short of it. Light radius on rudder and sharpened.

M445 S&B with Dinogy 4S - 42.9mph (motor temp 90deg, ESC caps 105, battery 115)
X642 S&B with Dinogy 4S - 41.7mph (motor temp88, ESC caps 90, battery 110)
X642 S&B with Nanotech 4S - 40.0mph (motor 90, ESC caps 90, battery 105)
M445 S&B with Nanotech 4S - 40.4mph (motor 90, ESC 85-90, battery 115)

X642 was a bit more planted and very smooth. The M445 made the boat feel a little more loose and experienced a touch of chine walking.

Those other Nano 2Ss in series I mentioned earlier in the thread weren't putting out correctly.

Now to play with setup a little more and try to squeeze out a bit more speed.

[AustinWolv]

Changed the setup slightly on the Revolt.
-Shimmed the strut mount on the right side to get some deviation so thrust would move the bow left in order to run the rudder more straight instead of kicked over with left trim.
-Moved the strut back down and about 0.4" off the very bottom of the hull
-Move the battery back to just short of touching the motor
-Trim tabs neutral

Using M445 S&B this morning on smooth water, hit 48.1mph on stock motor, ESC, and 4S 4000mAh Dinogy. I'll take it.

Boat was a bit squirrely as it was riding on the very end the hull, so any wake or small waves would make it start chine walking, but otherwise, it actually rode very well on smooth water.

It was nice to not have so much left trim on the radio, and boat was running very straight at full speed.
Turn fins are still all the way up and angled back fully.

Also ran a X642 S&B again immediately on the next run and the boat runs noticeably wetter and slower.......low 40s, so it handles much easier of course. But the battery temp was much higher after the X642 run compared to the M445 run.

The boat definitely likes the 45mm prop better.

Next to do:
-Adjust inner trim tabs down just a touch to settle the hull down just a bit
-Scuff hull
-Probably will buy M645 S&B and see how the hull responds
-Keep on testing!

[rickwess]

I'm glad it's working better now. The m645 is probably too much prop. My Revolt's sweet spot was with the m545.

[AustinWolv]

Hi Rick, did you thin your 545 out also as others have mentioned or just S&B?

Thanks for helping out!

[skeeler]

My Revolt's sweet spot was with the m545.

Was that on stock ESC and motor and 4S battery?

[rickwess]

I did thin it out quite a bit.

It's was with the stock motor. The 2030kv motor was running a little hot with the m545 so I just ran with the m445 most of the time.

[skeeler]

Thanks. I've been running the x642, but I may try out the m445 or m545 now. I have the stock electronics, and I use 5450-mAh batts.

[GixerGuy1978]

Any quicker with the 2030/M445 setup, compared to the 1800/M545 ????

[Mike Caruso]

Great job!!!! Proves to me Grim 4s Battery for $150.00 was worth it for me.