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-   -   Hydromotive or Bravo? (https://www.offshoreonly.com/forums/velocity/68409-hydromotive-bravo.html)

Chase910 01-09-2004 06:06 PM

Hydromotive or Bravo?
 
Which prop works best on this hull? Back when I owned mine it was the Hydromotive and that's what came shipped from the factory...is this still true?

VT32SSR 01-09-2004 06:25 PM

The mid range cruising is much better with the Bravo1. I have a 28 4 blade on a 280',and it works awsome.55 mph at 3500.

Steet 01-11-2004 10:46 AM

Bravo or Hydromotive
 
Bravo will usually work better for planning and cruising, but by far the hydromotive will have a better top end than bravo. Usually about 2 to 3 mph more top end

velocity260 01-15-2004 07:03 PM

I like the bravo as well

mr_velocity 01-20-2004 11:15 AM

I really like the labbed Bravos over the Hydros on my 41, it's a much better all round prop. I only see about 1 mph difference in the top end but I like the way the Bravos handles much better. I think in the rough stuff the Hydros are a little easier on the drives. I went 5 years without breaking a drive, the first year with the Bravos and I busted one.

Mad Hatter 01-20-2004 02:52 PM

Here's my results, tested a bunch of props last summer.

Hydromotive: Didn't get the best topend but handling and holeshot where decent.

Bravo: 2nd best topspeed, best handling in rough water (by far) and at cruise speed.

Mirage: Best topspeed and topspeed handling. But the worst in the rough water. Easiest to keep "on the pad" at topspeed.

I've resorted to keeping my bravo in the boat incase it gets rough. I haven't actually bought the mirage yet but its on my boat and I'm planning to buy it.

BTW I have a 22' w/ hp500 so its a single, characteristics change completly when talking about a twin

Vmax 01-20-2004 10:35 PM


Originally posted by Mad Hatter
Here's my results, tested a bunch of props last summer.

Hydromotive: Didn't get the best topend but handling and holeshot where decent.

Bravo: 2nd best topspeed, best handling in rough water (by far) and at cruise speed.

Mirage: Best topspeed and topspeed handling. But the worst in the rough water. Easiest to keep "on the pad" at topspeed.

I've resorted to keeping my bravo in the boat incase it gets rough. I haven't actually bought the mirage yet but its on my boat and I'm planning to buy it.

BTW I have a 22' w/ hp500 so its a single, characteristics change completly when talking about a twin

MAD HATTER,
I have a 230 Velocity 1989 was part of the Regal years. I'm running a supercharged 454 with 550 dyno horsepower and external hydraulic steering. Have 27P mirage with 1.5 Bravo crescent nosecone. Boat seems to want a lot of positive trim to keep from pushing off the pad onto the bow when running over 5000 RPM. No handling issues at all if trim way up then accelerate. If try with neutral trim or slight positive and she is a handful. Rides on rails if your trimmed up first. Do you see this with your 22? My previous 22 Velocity never had any of this bow steer but just had the 454 mag. The 230 cooks with the SC when she is trimmed right. What pitch mirage do you use with the HP 500 and how fast does she turn it. Trying to dial mine in but still can easily turn to 5500 RPM on a cool day a lot tougher at 100 degree day. Found the mirage will ventilate easily accelerating in a turn. Thinking of sending it in for a lab job.

Vmax

Mad Hatter 01-20-2004 10:53 PM

I'm also running a 27p mirage, its hitting the rev limiter right now, I tried a mirage 29+p and that was just way to much prop. So I'm thinking like a 28+p might be the trick. When I was testing I would start at nuetral, go WOT and then start trimming because each prop seemed to like different trim.

With the bravo it felt like the nose just wouldn't come up, at all. It never felt like it was on the pad. Which leads me to believe my x dem might be a bit low. I like to try an IMCO shorty but not to many people would just let you "borrow one." Especially if you don't have the money to replace it if you break it.

I got beat by a 38 cig last summer so I gotta get my speed up to snuff, it should be a mid to upper 80's boat from what velocity is telling me.

Vmax 01-21-2004 11:31 AM

I'm thinking 28P would be about right also to knock a couple hundred off from the RPMs up top. Right now it planes fairly fast with all the SC low end torque available. I think I'm running at least mid 80's now with the RPMs. I have been considering sending my mirage off for the accelerator upgrade by Houston prop to fix blow out issues. Maybe having it repitched to 28 would help also. Let me know if you try a 28 mirage and how it works.We are probably somewhat close on installed horsepower given my side exhaust and mufflers. Seems I have to run a slight rooster tail to stay on pad and get out of the bow steer issues. My 22 velocity had a little less X dimension than the 230 and staying on pad was never a issue. Getting on plane was slow though.

Vmax

kidrock 01-21-2004 03:03 PM

STEET HAS IT RIGHT:fish:

Mad Hatter 01-21-2004 11:04 PM

Do you mean it had a higher x? Like it was higher on the hull?

How much does houston prop charge to lab and do that blow out mod?

Vmax 01-22-2004 11:22 AM

I have not contacted Houston Prop about the accelerator mod. The accelerator mod yet. I believe it is around 160 or 170. Rework on props already labbed by them is considerably cheaper. There are some threads in the technical section regarding this. Comments from users are 2 to 3 mph up top and prop no longer blows out. Sound like the best of both worlds.
Vmax

VelocityMark 01-23-2004 09:11 PM

I have a Mirage that was a 27 and I had it tricked up to a 28 that is for sale if anyone is interested.

Vmax 01-23-2004 10:40 PM


Originally posted by Mad Hatter
Do you mean it had a higher x? Like it was higher on the hull?


My first velocity a 1987 22 foot had a extremely high x dimension. Had to raise the hatch when I changed to a better breathing manifold because the engine was at the top of the free board. Center of the prop was in the notch you could trailer with the drive at at neutral if you wanted. Back then it was one bad red machine with just a 454. She was tough to plane out with full fuel or a boat load and pulling a slalom skier up was an experience. High speed cruising was a breeze used little gas running 55 mph. Fast cruise seemed to bring out the contenders since they thought you were really cranking and they thought there was some easy prey.

Only remember eating wake twice with that boat taking on single hulls. A triple engine Don Arronow at LOTO and a 19 foot skeeter with a 300 Evinrude outboard on the Mississippi between lock and dam 19 and 20. The skeeter was maybe a one mph faster than the Velocity running on glass but it was near the edge of losing control. That fool was chine walking the bow 3 feet at each oscillation. Thats when you let the dunce have it since you don't want to be near him when there is a ripple in front of him. The Arronow was at least 30mph faster and that's a conservative guess. That was about 3 miles from the dam running in 2 to 3 footers. Never saw it coming with the throttle mashed but sure heard it flash by . That was cool to witness.

Vmax 01-23-2004 10:43 PM


Originally posted by Velocity Mark
I have a Mirage that was a 27 and I had it tricked up to a 28 that is for sale if anyone is interested.
Who has done the trick up and how is the blowout, speed and handling. And why are you selling? L or R and How much?

Mad Hatter 01-24-2004 01:28 AM

I'm interested if Vmax doesn't take it.


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