Difference between 28 et 4 blade en pro max 28 4 blade....!!!!!!!!!!!

**Thierry Lefevre** · 07-06-2017, 06:26 AM

hello, i am Thierry lefevre from holland, i have at the moment a ET 4 blade prop...but i wanne chance my prop to a mercury pro max prob............i try to get information everywhere even bij mercury belgium if if i now turn a 30P et prop , the mercury pro max 30 p wil be also good for my...wil my engine make the same rpm with it...? ore is ther a big difference.....it is onbeliveble that nobody of de dealer in begium knows the anser on that......HOW can i buy that prop than...? .......PLEASE HELP MY..!!!!!!

**Varmint** · 07-16-2017, 01:28 PM

thierry,all I can say is that the promax is very stiff prop,so if you need 30p it will be 30p,i think promax gives more bow lift than et4, I have an et4 that lifts and flys mod vp hull,but runs very flat on my allison xb03.