Nose Cone - Low Water Pick Up - Suit Outboard Sterndrive

NOTE: These nose cones are rough castings that require body filler, finishing and smoothing. Last edited by kingsbiship; 02-12-2006 at 02:34 PM. The case in the picture has the top 3 holes plugged and a new hole was drilled where the small drain hole is. If It Ain't Blown It Sucks! Later model Sport Masters had a larger shaft to accommodate higher horsepower engines. They are relatively inexspensive and work great! Suzuki Engineers labored through years of trial and success with computer simulations and on water testing to significantly improve the way an outboard motor converts engine power to underwater thrust. When setting up our Allison Grand Sport, I got to spend quite a bit of time with Darris Allison, and he shared many thoughts on gearcase design with me. I'm spiffing my case up and I was told to fill the pickup holes in with marinetex and fill the cavity in with epoxy resin up to just below the fitting for the lwp. Gain top end performance with Teague Custom Marine add on drive lower nose cones, available in low water and mid water pickup configurations. Made for a long day. In a surface application, the water is highly disturbed, so even a very tiny change in design, can have a large effect on how the prop will perform in these conditions. I've seen a couple of vids recently of low water pickups on the bottom of the LU on outboards recently. 02-13-2006, 05:12 PM #15. homemade pickup.

1. Outboard low water pressure
2. Low water pickup kit
3. Outboard motor low water pickup
4. Shallow water pickup for outboard motor
5. Low water pickup lower unit

Outboard Low Water Pressure

Needs to be drilled as part of installation to your gear case. 2L, and Verado R engines, as well as Bravo XR drives. I have the old Livewell pump switched at the dash. Performance Features. To assist with this process, the manufacture places low water pickups solely on the nose cone. This is the motor that started it all and has a showcase full of trophies and awards to prove it. If the upper unit does not have a matching hole, then it will need to be plugged. We are discontinueing manufacture of all low water pick-up nose cone kits. Once it was close I filled the nosecone with marine tex and taped it in place to set up the next day I welded it on in 5 spots about 3/4 inces each. IDLE or WOT, there is no in between!!!

Low Water Pickup Kit

Low water pressure issues at wide open throttle? Nose cone kit contains all hardware for complete installation. Results 1 to 15 of 26. Even though it is more critical in 100 MPH + applications, it is beneficial in all scenarios where you are surfacing your gearcase. Last post by blacknsilvr. Features & Benefits. 1977 HydroStream Vulture - Worlds longest ongoing project. I still have it jump around about 5 PSi (down to appx 18 PSI) when going WOT over lake chop but the head temp is >. What I did is similar to Xlrater but I plugged the top four holes, two on each side,. Bravo castings are for 1990 and later. But, for those running a lighter faster hull, looking to squeeze more speed out of any stock engine, a low water pickup is a must. Next project is to convert from the clamshell cowl to a later model opti that I have on the shelf. I thought I had more pictures but I didn't but I got the important parts.

Outboard Motor Low Water Pickup

And guidance to others as well. Right corner of the page. BOB'S MACHINE SHOP BIG FOOT BRAVO Nose Cone Kit FACTORY INSTALLED. I was just curious, because I don't need a nosecone, but I'd like LWP's to raise the engine. If replacing a Bravo One serial number OF 729999 and below, it will be necessary to plug the oil hole on the new lower unit. The intakes "suck" where you put them, so if in shallow water you can block the lower ones, but the top will always remain open. Do you guys have pictures of this done?

Shallow Water Pickup For Outboard Motor

Does your standard Mercruiser lower unit equipped boat top 70 MPH? Five inlets create less chance of stoppage than anything now on the market. Suzuki DF250 was the first 250 horse power V-6 four-stroke outboard on the market. Proven Quality The same superior design as our World Speed Record Holding Big Foot, low water pick-up cones. This four stroke engine is a clean runner and certified with a 3-Star Ultra-Low Emission rating from the California Air Resources Board (CARB) and has also met the EPA 2010 standard. That was the easy part now at this point you need to drill a large hole and tap it under the waterpump.

Low Water Pickup Lower Unit

Sometimes grass would just set the over temp alarm on until I cleared the grass. 14 Hightide, 40 yammi. It works gerat and took about 7 hours to do. I was also on a tight timeline to get it done so I could have spent more time and used less filler but oh well it's done. Who may need advice or guidance for their 'Stream; and we encourage members to offer their advice. I have run one season so far and the water pressure was 25 PSI at WOT.

What would someone gain with it? I then sanded it smooth and plan on waiting till winter to have it finished up and painted. I was then thinking of putting a check valve inline, then routing it into the flush hole above the cav. 02-12-2006, 04:17 PM #5. took me a while to find thisJohn E. 02-12-2006, 04:36 PM #6. The issue is that most center consoles do not use this "race" style lower units. To the eye, a really pointy gearcase looks good for high speed, but that is not the case. One element of running the gearcase in a surfacing situation is that there is a risk of blowing out the propeller, where the prop experiences a lack of water pressure on the blade surface, and slips, leading to a sudden loss in thrust. No need to be putting drill bits into my gears!

I cant tell if that is the case. Economically priced, lightweight design, high grade cast aluminum. For lower units such Mercury Racing/Mercury Marine Sportmaster, Torque Master, and other aftermarket "race" nose cones -- this is common practice. Put simply, the rounded nose cone breaks the water better. 4 200, 130 shot of NOS. We are a community of boat lovers and Hydrostream enthusiasts here; we are happy to help anyone. Has thanked: 337 times. These are ideal for elevated, semi surfacing X-dimensions. You can also leave the Third hole and fill in the top holes with epoxy and make them sweep downward to grab the E. HydroStream Vandal 140 EVINRUDE 69mph GPS. Ok, I'll do the same. Joined: Apr 07, 2009 8:07 pm. You will need to grind on the front edge of the cavitation plate for the fitting.

This four-stroke engine has large displacement, lots of torque and plenty of power. Ya it took some time, I had no idea how to do it so I just winged it and it turned out has held to 85 so far. For good reason, the Mercury Racing Sport Master is ubiquitous, and has been a mainstay in the Mercury Racing lineup for a long time. If you need a recommendation for which style of nose cone is right for you, please give us a call or email. Your Name: Your Email: Your Friend's Email: Email address (optional): A message is required. Run for distant offshore fishing grounds, cruise to exotic ports or just share time on the water with family. Rule of thumb is any engines 90 hp or smaller need the inline kit. Other Items In This Category.

Basically, only Mercury Racing, and Seven Marine make a proper OE gearcase that is designed to surface. As far as the screen question, do what you want but.... A few years ago I was running a 50 merc without the lower unit screen In the deep clear water of Lake of the Woods, Ontario. Replacement for Mercruiser's Bravo One lower unit replace 1992 and up with the oil passage. The High Tech Connection. 91 vegas loaned out. The gearcase design becomes critical to handling and safety. If you are already installing an aftermarket kit, This should be a relatively simple fix, you can fill the prop side water inlet, round off your tip, and improve the dynamics of your gearcase. It is best to tap the oil passage while the drive is turned upside down to prevent any metal chips from settling inside. A smooth oval shape water inlet is the most efficient, allowing water to change direction, as opposed to a flush round inlet that forces the water to change direction. The other guys were quick to notice and built a few copy cat outboards. I still took it off this fall and brought it into the house. No effect upon drag co-efficient on lower gear case mounted with the prop shaft fully submerged or with the prop shaft even with the boat bottom. Has anybody tried making their own LWP? I mean the fitting that goes into the case.

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