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Rev 4 vs Enertia Eco

Old 03-27-2018, 07:14 AM
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Default Rev 4 vs Enertia Eco

I understand that the Rev 4 is considered a stern/boat lifting prop, but I've also read reports that the Enertia Eco also has some stern lifting properties, along with excellent efficiency.

Is anyone using one of these on a bay boat with a Yamaha F250 or F300? Can the Yamaha swing a 16" diameter prop, or does the anode/fin have to be removed?
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Old 03-28-2018, 02:48 AM
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Originally Posted by Spacemaker View Post
I understand that the Rev 4 is considered a stern/boat lifting prop, but I've also read reports that the Enertia Eco also has some stern lifting properties, along with excellent efficiency.

Is anyone using one of these on a bay boat with a Yamaha F250 or F300? Can the Yamaha swing a 16" diameter prop, or does the anode/fin have to be removed?
I know it will fit on the F300. You will have to file the anode down a little though.
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Old 03-28-2018, 03:12 AM
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Ecos will lift more of the entire vessel than just the stern. Totally different feel with the large diameter.

Yes, they will fit a Yamaha 300. There is a lower unit seal that has to be replaced or water could get into the lower.
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Old 03-28-2018, 03:52 AM
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Originally Posted by Alabama Jupiter View Post


I know it will fit on the F300. You will have to file the anode down a little though.
Yes I had to file mine down. It made my bayboat ride much higher out the water. They act 1 to 2 pitches higher also.
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Old 03-28-2018, 04:59 AM
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Originally Posted by captain28570 View Post
They act 1 to 2 pitches higher also.
If you currently use a 19 pitch, you will probably need a 17" in the Eco. Typically they need to drop 2" from other props to spin the same RPM.

Last edited by Paulswagelock; 03-28-2018 at 05:17 AM.
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Old 03-28-2018, 10:50 AM
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Yea I used a 19 pitch eco a few years ago. Only got 5400 with full trim. They didnít have an Eco 17 at that time.

They run heavy on pitch.

Originally Posted by Paulswagelock View Post
If you currently use a 19 pitch, you will probably need a 17" in the Eco. Typically they need to drop 2" from other props to spin the same RPM.
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Old 03-28-2018, 11:44 AM
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The Enertia Eco is a 16 inch diameter progressive blade design. Which means it starts out at a lower pitch and increases as it gets to the blade ends or tips.
So a Enertia Eco 19 pitch is really spins like a 21 pitch prop. That's why they only offer a few pitches. The largest a 23 pitch spins like a 25 pitch.
Hope this helps.
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Old 03-28-2018, 11:49 AM
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I've got twins so not the same, but the Eco shined in every category on my boat. All boats are different though so you just have to test it out running the numbers.
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Old 06-11-2019, 07:23 AM
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Originally Posted by davidwademarine View Post
Ecos will lift more of the entire vessel than just the stern. Totally different feel with the large diameter.

Yes, they will fit a Yamaha 300. There is a lower unit seal that has to be replaced or water could get into the lower.

i know itís an older thread. But why is there a seal that needs to be replaced? Is this similar to the rev 4 issue? I am not running the rev 4 because of the whole deal burning up possibility. So I was considering running a pair of ECOs. Can you give us more info on this.
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Old 06-11-2019, 07:41 AM
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I am currently running 18Ē Ecoís on a pair of Suzuki DF300ís on my boat. Compared to 3x16x18.5 Suzuki props I am getting 300 more turns of RPM at the top end (6000 wot) and slightly better economy. I like them.
Rev 4 19ís hit the rev limiters on my boat above 6300 rpm. If I went to Rev 4ís Iíd need 2-3 more inches of pitch.
Different boat than yours but this should give some insight into how these different props perform in an apples to apples application.
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Old 06-11-2019, 07:53 AM
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Originally Posted by egretboy View Post
The Enertia Eco is a 16 inch diameter progressive blade design. Which means it starts out at a lower pitch and increases as it gets to the blade ends or tips.
No, that is not what progressive pitch means.

A prop with progressive pitch has pitch and increases across the cord of the propeller blade. It is like cupping, except it spand the blade width and is not just at the trailing edge.

Most modern outboard propellers are progressive in the way, and all are cupped, but the amounts very from model to model.
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Old 06-11-2019, 08:35 AM
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I ran a Rev4 and a ECO on a Yamaha F250/23 Parker DVCC.

What David Wade said above is spot-on....... the ECO will lift the entire boat out of the water. I got better top-speed, better fuel economy and better overall feel out of the ECO than the Rev 4 or Mirage Plus or Yamaha SWS.
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Old 06-11-2019, 09:48 AM
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Originally Posted by chrisrack View Post
I ran a Rev4 and a ECO on a Yamaha F250/23 Parker DVCC.

What David Wade said above is spot-on....... the ECO will lift the entire boat out of the water. I got better top-speed, better fuel economy and better overall feel out of the ECO than the Rev 4 or Mirage Plus or Yamaha SWS.

chris sounds like a win win with the eco. But concerned, hopefully David will jump on here and give some info on the seal replacement. I hope these props arenít like the rev 4 that burn up the seals
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Old 06-11-2019, 01:23 PM
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Originally Posted by Landito86 View Post



chris sounds like a win win with the eco. But concerned, hopefully David will jump on here and give some info on the seal replacement. I hope these props arenít like the rev 4 that burn up the seals
This is the first I'm hearing of this - where did you hear this??
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Old 06-11-2019, 02:26 PM
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Originally Posted by chrisrack View Post
I ran a Rev4 and a ECO on a Yamaha F250/23 Parker DVCC.

What David Wade said above is spot-on....... the ECO will lift the entire boat out of the water. I got better top-speed, better fuel economy and better overall feel out of the ECO than the Rev 4 or Mirage Plus or Yamaha SWS.
what pitch prop are you using with the Eco? What did you change from?
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Old 06-11-2019, 02:39 PM
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Originally Posted by rdiesel01 View Post
This is the first I'm hearing of this - where did you hear this??

scroll up.
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Old 06-11-2019, 04:01 PM
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Originally Posted by Landito86 View Post



scroll up.
No info other than your mention of it
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Old 06-11-2019, 05:06 PM
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Originally Posted by Low Bidder View Post
what pitch prop are you using with the Eco? What did you change from?
18Ē ECO

Previously had a 19Ē Mirage Plus, 18Ē SWS, 17Ē Rev 4 and a few others that Iím forgetting at this moment

The Eco was, by far, the best feeling ang best performance.
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Old 06-11-2019, 05:34 PM
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Originally Posted by rdiesel01 View Post
No info other than your mention of it

post # 3 they say about a seal that must be replaced.
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Old 06-11-2019, 06:01 PM
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I am having eco 18s put on my new F300s now. Do I have to have them change the seal now? If so, is there a certain name for the seal that needs to be replaced? And replace it with what other seal? Sorry just confused as my dealer never mentioned this.
Thanks guys
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