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-   -   03 42 Tiger 575's,I need prop help 5 blade Herrings? (https://www.offshoreonly.com/forums/cigarette/206974-03-42-tiger-575s-i-need-prop-help-5-blade-herrings.html)

Strip Poker 388 04-16-2009 05:31 PM


Originally Posted by Schweeng (Post 2845619)
Phil just put on some new cavitation plates on my buddies TS (750Zul boat) and now the boat pops up and zero blowout. he is very happy with the new modification.


Was that on a sportmaster foot? How big and did it look like a whale tail.

His 38TS would get on plane it just would labor doing it,he would go up to 4000

Schweeng 04-16-2009 10:15 PM

On Sportmasters...and it looks fine..not out of place or like a whale tail. Kevin used to have blow out problems as well...his x is a little high as the boat was built originally for speed (105mph naturally aspirated motors). He also runs Merc lab 32's.

Now with the change no issues at all getting it up on plane.

Call Phil and ask him what he recently did to Kevin's boat....

Top Banana 04-17-2009 05:59 AM

An old racers trick that may help here. We had 38 foot boats that had all the weight in the rear of the boat, engines, drives, saddle tanks etc and we were loaded with fuel at the start of a race, my boat held 540 gallons.

So, to get on plane we would rock the boats from side to side, like an exagerrated slow motion chine walk and at some point, with the throttles way up, the boat began to "believe" it was a flat bottom...... and start to get on plane on one side of the vee....once we had some speed up, we just flipped it right side up and took off for the start.

Sydwayz 04-17-2009 12:47 PM


Originally Posted by Strip Poker 388 (Post 2845365)
What about the tabs?

Neutral

Strip Poker 388 04-18-2009 10:17 AM

Well he found some numbers on the prop,still no name, it has
11980
09 32 06
I am assuming its a 32 700 rpm off, I loaned him some 30 4bd bravos,Ill find out to day how they worked.


My thinging being a 5blade that 200rpm and 2 prop sizes is 200rpm,with that Im thinging 28pt to get to 5200rpm????

Thanks
Rob:ernaehrung004:

Strip Poker 388 04-18-2009 04:39 PM


Originally Posted by offshoredrillin (Post 2845373)
I have no issues with slipping or blowout. But mine is a straight hull. drives on 2 Tabs down just a little past level and steady on the throttle, as it starts coming up drives out then tabs up. I've also always heard that Tigers are better with 4 blade bravo props.

Hey Rob what about your other issues:rolleyes::evilb::evilb:

offshoredrillin 04-18-2009 05:13 PM


Originally Posted by Strip Poker 388 (Post 2847119)
Hey Rob what about your other issues:rolleyes::evilb::evilb:

lol, no others, the boat runs like a dream, redoing the drives after 475 some hours, so I must have done something right in the past 4 years :D

whirlwind 04-19-2009 09:35 AM


Originally Posted by BLee (Post 2845539)
Why would you run without the diffuser ring? Are you not concerned with melting the inner shell of the shaft? Just curious how you came about trying this method? :ernaehrung004:

The props were borrowed , not sure why the rings were removed.


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