akwala
23.04.2021 23:01:38
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Unless you have a light overpowered boat it likely won't work well for you. What kind of boat and engine is this going on? Chopper props work better for heavier boats like Bass boats with pads and they have more bow lift, cleavers are meant for boats that don't require bow lift like tunnels and air entrainment hulls.
There are many designs of cleavers just like choppers, thru hub props, OT props and so on. Generally, very generally, speaking cleaver props tend to have stern lift rather than bow or overall lift. There are over hub cleavers and thru bub cleavers. Cleavers with very little rake and cleavers with substantial rake. Some vent a lot on acceleration, some hook up hard. Is it an over hub, solid hub prop or a thru hub? Solid hub or rubber cushion hub?
Re: whats up with cleaver props? [links]
Re: whats up with cleaver props?
the ebay Item number: 200458749823
i dont understand why the guy says it has great stern lift. but is also good for bow heavy boats. i would think my boat would be stern heavy hence wanting stern lift
But a four-blade prop offers other advantages, especially in a situation where the motor is trimmed out at speed (like a bass boat) and the prop blades clear the water surface at the top of each rotation. In this application, a three-blade prop is going to have two blades “unloaded” at some point, while the four blade prop is going to always have two blades biting the water. The four-blade prop is going to be more effective at higher trim angles, and you may be able to raise the motor higher on the transom to reduce drag and gain speed. The four-blade prop will also produce more lift at the stern, improving hole-shot acceleration and speed on boats that are heavy aft, like a bass boat or a flats skiff. The four-blade prop may also feel smoother and hold the boat better in turns. here
“I think the owner of a boat with a 70- to 90-hp motor is the one who has to make a choice between aluminum and stainless,” said Suzuki applications manager David Greenwood. “If it’s a planing hull, and not a pontoon, the stainless prop is going to give more top speed just because the blades don’t flex. That said, the aluminum prop still works pretty well and if hitting bottom is not an issue, it’s a great value.” more
An underwater peek at the Mercury Enertia
Years ago, every boater started with an aluminum prop, and maybe stepped up to a stainless steel model, which was much more expensive but improved performance and was more durable. Today, like everything else in the world, propellers have become highly specialized. Outboard manufacturers and the aftermarket are developing props for specific boat types, props designed to work well with certain motors, and others designed to enhance one aspect of performance, such as acceleration. So there may be a prop out there that will optimize the performance of your boat, while others won’t work well at all. But, unless your current prop is way off the mark, simply changing propellers is not going to have a dramatic effect on boat performance – for example, an instant 5-mph boost in top speed. No propeller is a silver bullet.
“Our tests have shown that a four-blade prop can be 20 percent more efficient in some situations,” said Greenwood. “You may be able to raise the motor on the transom, and the added stern lift allows the boat and motor to achieve a better angle of attack on the water. More power is available to push the boat forward, rather than hold the boat up.” here
I spoke with en at Prop Gods and he also recommended the Tempest, but with the steep gear I'm worried about going down in Diameter.
Great info Carter:thumbsup: I'm battling my own gremlins right now and this bit of advise really helps:cheers:
If you do not have a photo I'll try and look one up online to get a look at it. As you can see when it comes to my Hoss HPD in the photos it too has huge blades, and I think that has a lot to do with it's ability to maintain a good bite even with my unique hull design. If your prop has large blades like my Hoss it may be a good prop for me. I do have a couple of questions: it it a 3, or 4 blade?
Does it provide good stern lift?
Is it an over the hub, Over/thru hub, Thru Hub wit exhaust cuts or PVC holes, or straight thru hub?