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Search: Posts Made By: hec2buck
Showing results 1 to 25 of 61
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Forum: Prop Talk
09-18-2013, 03:57 PM
Replies: 13
Views: 2,137
Posted By hec2buck

The 27's are less diameter than the 25's....

The 27's are less diameter than the 25's. Consequently, you lose some leverage and bow lift. Also, the reduced rpm increases the torque loading on the drive train and props. This will exacerbate the...
Forum: Prop Talk
09-18-2013, 03:42 PM
Replies: 5
Views: 1,261
Posted By hec2buck

Hello, The Mirage Plus as the name implies,...

Hello,

The Mirage Plus as the name implies, has more cupping than the original Mirage and will generally turn 200-300 less rpm in the same pitch. If you go to the 23" Mirage Plus's, your rpm will...
Forum: Prop Talk
09-03-2013, 01:34 PM
Replies: 15
Views: 2,858
Posted By hec2buck

Yes, on twin engine applications spinning inward...

Yes, on twin engine applications spinning inward or outward will change the bow lift. That is why many step bottom boats turn props inward.

Thom
Forum: Prop Talk
08-28-2013, 03:41 PM
Replies: 12
Views: 3,112
Posted By hec2buck

What rpm are you turning both props, and where...

What rpm are you turning both props, and where does your engine make peak dyno horsepower? This will help us figure ouv what is going on.
Forum: Prop Talk
08-26-2013, 01:03 PM
Replies: 4
Views: 1,214
Posted By hec2buck

Do you have a rev limiter at 5500 rpm? It seems...

Do you have a rev limiter at 5500 rpm? It seems there should be an rpm difference between the 30 and 32's you ran. What speed and specific rpm are you getting with the 30 & 32's? We can look at the...
Forum: Prop Talk
08-26-2013, 12:50 PM
Replies: 2
Views: 1,752
Posted By hec2buck

Hi Dave, Porpoising is caused by several...

Hi Dave,

Porpoising is caused by several things. The condition of the boat bottom, the ability of the prop to maintain hook up to the water, the weight distribution in the boat etc. If the problem...
Forum: Prop Talk
08-19-2013, 04:14 PM
Replies: 3
Views: 1,067
Posted By hec2buck

I agree with Brett. You can only squeeze 200-300...

I agree with Brett. You can only squeeze 200-300 rpm out of the Hering 32's. I have to think your engines need more than 5000 rpm to be happy. Just compare to the MerCruiser 525's at 560 hp and a rev...
Forum: Prop Talk
08-19-2013, 04:08 PM
Replies: 9
Views: 5,275
Posted By hec2buck

Sorry, that is "beyond" and "car", not beyong and...

Sorry, that is "beyond" and "car", not beyong and cat.
Forum: Prop Talk
08-19-2013, 04:06 PM
Replies: 9
Views: 5,275
Posted By hec2buck

Most props on the market have adequate blade...

Most props on the market have adequate blade thickness to handle the horse power and boat weight normally encountered. It is fatigue that causes blades to crack, and ultimately break off. Consider...
Forum: Prop Talk
08-19-2013, 03:51 PM
Replies: 10
Views: 1,313
Posted By hec2buck

If your looking for more bow lift in a box stock...

If your looking for more bow lift in a box stock 4 blade you might want to look at our Quad IV X's. These are designed as bow lifting 4 blades with great cruise speed and hole shot as compared to 3...
Forum: Prop Talk
08-19-2013, 03:42 PM
Replies: 8
Views: 1,718
Posted By hec2buck

Yes, the IC pick up can definitely cause aeration...

Yes, the IC pick up can definitely cause aeration to the prop. A left hand rotation will help. The general rule of thumb is locating the pic up 12-14" from the center line of the drive. This of...
Forum: Prop Talk
08-13-2013, 01:59 PM
Replies: 9
Views: 3,296
Posted By hec2buck

Hello Excalibur82, The explanation is not...

Hello Excalibur82,

The explanation is not that complicated. You added a huge amount of torque, and also went up to 30" pitch. The 30's are trying to hold the rpm down, which allows the engine...
Forum: Prop Talk
08-13-2013, 01:46 PM
Replies: 7
Views: 1,072
Posted By hec2buck

How about just slipping on a prop cover that is...

How about just slipping on a prop cover that is round with elastic bands around the perimeter to hold it on. Mercury sells these. We used to sell ours, but our source went belly up.

Thom
Forum: Prop Talk
08-13-2013, 01:43 PM
Replies: 2
Views: 641
Posted By hec2buck

We would suggest a 23" P-5 X five blade which is...

We would suggest a 23" P-5 X five blade which is 15" diameter. This will reduce slip and load your diesel correctly. If pitch is a little high, we can down pitch prop to 21.5 to22".

Thanks,

Thom
Forum: Prop Talk
08-13-2013, 01:40 PM
Replies: 19
Views: 7,955
Posted By hec2buck

The 330 hp MerCruiser is cammed to turn 4200-4600...

The 330 hp MerCruiser is cammed to turn 4200-4600 rpm. Yes, it does run out at 4800 rpm. In later years the rev limit was set at 4750rpm for that very reason. I would try a 23" Mirage Plus. That...
Forum: Prop Talk
08-13-2013, 01:35 PM
Replies: 5
Views: 864
Posted By hec2buck

Yes, the rpm should be real close. In fact the...

Yes, the rpm should be real close. In fact the rpm may be slightly higher.
Forum: Prop Talk
08-08-2013, 10:15 AM
Replies: 4
Views: 2,058
Posted By hec2buck

Hello ChewyMalone, Thought you might want an...

Hello ChewyMalone,

Thought you might want an alternative to the Bravo props for your pleasure use. As you know, the Merc overhub cleavers are fast on top end but not good at cruise or out of the...
Forum: Prop Talk
08-06-2013, 03:31 PM
Replies: 3
Views: 945
Posted By hec2buck

We suggest our 24" pitch 4 blades. Turning them...

We suggest our 24" pitch 4 blades. Turning them 5200 rpm should give you about 70 mph. I believe that is about where your speed will be. Please call and we can analyze your application.

Thanks,
...
Forum: Prop Talk
08-06-2013, 03:24 PM
Replies: 10
Views: 3,117
Posted By hec2buck

To eliminate the porpoising problem, a 4 blade...

To eliminate the porpoising problem, a 4 blade stern lifting prop would help quite a bit. Our Quad IV will do just that. Give us a call to discuss in greater detail.
Forum: Prop Talk
08-06-2013, 03:21 PM
Replies: 2
Views: 734
Posted By hec2buck

The last 6 or 7, 20 ft Cigarettes we have done...

The last 6 or 7, 20 ft Cigarettes we have done worked well with our cut down Quad IV. Good hole shot, great mid range and handling, and superior top end. Check out the Quad IV on our website.
...
Forum: Prop Talk
07-30-2013, 08:58 AM
Replies: 3
Views: 840
Posted By hec2buck

Hello John, I feel the 2 blade will be a...

Hello John,

I feel the 2 blade will be a mistake. The diameter is too small to handle the Cobra drive and the power. to weight ratio. Your slip numbers well be thru the roof, and the boat will...
Forum: Prop Talk
07-30-2013, 08:51 AM
Replies: 2
Views: 755
Posted By hec2buck

Good Morning, After reading your post I...

Good Morning,

After reading your post I thought I would suggest props for your boat. We have done many 38 Scarab's w/ TRS drives over the years. You never said what rpm you require. I assume...
Forum: Prop Talk
07-30-2013, 08:40 AM
Replies: 14
Views: 7,127
Posted By hec2buck

Hi Dave, I would like to attempt to answer...

Hi Dave,

I would like to attempt to answer your questions on the cupping differences on your 32 and 34 Bravo 1's. The cupping on the 32's around the tips only will generate more bow lift. The fact...
Forum: Prop Talk
07-25-2013, 03:52 PM
Replies: 2
Views: 697
Posted By hec2buck

We repair all props we sell, as well as...

We repair all props we sell, as well as competitive props. Please feel free to call to discuss. We are more than competitive on price, and have the shortest turn around time of any shop.

Thom
Forum: Prop Talk
07-25-2013, 03:49 PM
Replies: 18
Views: 2,139
Posted By hec2buck

We have had good success with our P-5 X's on the...

We have had good success with our P-5 X's on the 35 Fountains. The labbed Maximus props end up close to our stock P-5 X's. We have a 1 year warranty, and can ship out of stock at prices lower than...
Showing results 1 to 25 of 61
 
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