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Search: Posts Made By: Jimboat
Showing results 1 to 25 of 43
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Forum: Sunsation
07-11-2022, 01:41 PM
Replies: 19
Views: 4,318
Posted By Jimboat

You seem to be down quite a bit of available top...

You seem to be down quite a bit of available top speed, so i'd check both 1) engine (300 RPM won't get you there) and also 2) check hull weight to specification OR check hull for waterlogging.
Forum: Sunsation
07-11-2022, 12:48 PM
Replies: 19
Views: 4,318
Posted By Jimboat

agree that strakes is not likely culprit. lack...

agree that strakes is not likely culprit. lack of hp or boat is overweight (water retention?) should be checked.
Forum: Sunsation
07-06-2022, 07:13 PM
Replies: 19
Views: 4,318
Posted By Jimboat

Bravo drives? Might check weight, maybe boat has...

Bravo drives? Might check weight, maybe boat has soaked up some water over years
Forum: Sunsation
07-06-2022, 06:38 PM
Replies: 19
Views: 4,318
Posted By Jimboat

not sure which drives you have or what gear ratio...

not sure which drives you have or what gear ratio that you're using, but seems that you should be getting more top mph than you're seeing. you should be able to see 5000 rpm with your 2x502MPI's. ...
Forum: Sunsation
07-02-2022, 06:47 PM
Replies: 19
Views: 4,318
Posted By Jimboat

Do you know what your hull/boat weighs?

Do you know what your hull/boat weighs?
Forum: General Boating Discussion
06-29-2022, 02:18 PM
Replies: 22
Views: 5,803
Posted By Jimboat

deep - it sounds like pretty typical...

deep - it sounds like pretty typical 'porpoising'. Tunnel hulls are quite susceptible to porpoising, particularly at the 'hump transition' speed. It does sound, however, that your experience is at a...
Forum: General Boating Discussion
07-03-2012, 05:27 PM
Replies: 14
Views: 5,146
Posted By Jimboat

Chine walk is pretty common on performance hulls...

Chine walk is pretty common on performance hulls like yours.
As the hull accelerates, lift increases and the wetted running surfaces that are required to support the hull are reduced (more Speed =...
Forum: General Boating Discussion
07-03-2012, 05:14 PM
Replies: 14
Views: 5,146
Posted By Jimboat

..

..
Forum: Fountain
12-11-2011, 07:36 AM
Replies: 4
Views: 4,412
Posted By Jimboat

Chill - chine walk is pretty common on...

Chill - chine walk is pretty common on performance hulls like yours.

As the hull accelerates, lift increases and the wetted running surfaces that are required to support the hull are reduced (more...
Forum: General Boating Discussion
05-04-2009, 06:39 AM
Replies: 44
Views: 19,533
Posted By Jimboat

ya, as with most bankruptcies, the customers get...

ya, as with most bankruptcies, the customers get dinged. HB owes me $100's that they just decided not to pay. They kind of lost sight of their customers, supplier and contributors loyalties last...
Forum: General Boating Discussion
05-03-2009, 11:25 AM
Replies: 44
Views: 19,533
Posted By Jimboat

Actually, PB magazine is a completely new mag,...

Actually, PB magazine is a completely new mag, run by Chris Davidson. Chris was Chief Editor, running HB magazine when the mag was sold to Darrin Davidson. Chris left HB to start PB magazine, hence...
Forum: Magnum Marine
09-19-2008, 10:44 AM
Replies: 11
Views: 9,227
Posted By Jimboat

Here's an article on Chine Walking...

Here's an article on Chine Walking (http://www.aeromarineresearch.com/adverts/HB_Jan2008.html). Not specific to any hull maker, but may be interesting nonetheless.

/Jimboat
AeroMarine Research
Forum: Velocity
09-13-2007, 02:21 PM
Replies: 7
Views: 789
Posted By Jimboat

What gear ratio are you running? Do you know...

What gear ratio are you running? Do you know what your propeller slip % is now?

/Jimboat
Forum: General Boating Discussion
12-08-2003, 08:40 PM
Replies: 12
Views: 1,592
Posted By Jimboat

surveillance cameras

If you are looking for an inexpensive method to do alot of surveilance, including pc-contolled/internect remote access and scripting for stuff like email notifications, etc., here is a good source...
Forum: General Boating Discussion
12-06-2003, 06:14 PM
Replies: 49
Views: 11,222
Posted By Jimboat

JCas

I just found a note that said your Dad's Proline location is in Fenlon Falls - is that really right? If so, this world is getting smalled all the time...that's where my cottage is! Send me an email...
Forum: General Boating Discussion
04-26-2003, 07:53 PM
Replies: 8
Views: 1,414
Posted By Jimboat

Toe in

On tunnel boats, I've seen best experience with about 1/4" toe in used. Vee-hulls likely need a bit more.
Forum: General Boating Discussion
03-31-2003, 05:54 PM
Replies: 1
Views: 1,121
Posted By Jimboat

Carlson 24'

Catmando - Is that the CSS24? If so, that is a very nice design. Art Carlson himself really likes this bottom design. He says it cuts the waves like an off-shore racer. It has a long stem and a...
Forum: General Boating Discussion
03-30-2003, 07:47 PM
Replies: 1
Views: 1,121
Posted By Jimboat

Tunnel boat enthusiasts

Tunnel boat enthusiasts might be interested...

See author Jim Russell on Speed Channel's Powerboat Television Show (http://www.aeromarineresearch.com/powerboat_tv.html). See AeroMarine...
Forum: General Boating Discussion
03-17-2003, 11:00 PM
Replies: 1
Views: 1,058
Posted By Jimboat

World Water Speed Record

Check out new links to World Water Speed Record (http://www.aeromarineresearch.com/pages/new/17-Mar-2003.html) sites and articles.
Forum: General Boating Discussion
12-09-2002, 04:17 PM
Replies: 211
Views: 51,314
Posted By Jimboat

last post on steps

T2X's & Reckless288's comments are right on the money! The most significant issue with step design was, and still is, the very difficult engineering challenge of properly locating an efficient step...
Forum: General Boating Discussion
12-08-2002, 05:57 PM
Replies: 211
Views: 51,314
Posted By Jimboat

again on the steps

Well, stepped hulls dominated race boat design until about 1938 when Adolph Apel patented the 3-point hydroplane configuration. Even though 3point hulls were very successful in small limited class...
Forum: General Boating Discussion
12-08-2002, 05:15 PM
Replies: 211
Views: 51,314
Posted By Jimboat

Back on Steps

...back to the question on steps....
The concept of steps in the hull running surface was originally proposed by Reverend Ramus in 1872. He proposed both a single step with tandem planing surfaces,...
Forum: General Boating Discussion
12-01-2002, 07:13 PM
Replies: 17
Views: 1,626
Posted By Jimboat

SUV

Check out the BMW SUV. Power is there, and not a bad looking truck.
Forum: General Boating Discussion
11-03-2002, 07:12 PM
Replies: 49
Views: 11,222
Posted By Jimboat

mini cat race

I doubt it, he has no engine.

http://www.aeromarineresearch.com/aerom_logo1_100.jpg
Forum: General Boating Discussion
11-02-2002, 01:52 PM
Replies: 49
Views: 11,222
Posted By Jimboat

Mark R's old Molinari

Here's the picture of Mark Rotharmel's old (blue) Mod U Molinari. I loved this boat, but Mark always thought it was very tempermental.

http://www.aeromarineresearch.com/mark.jpg

/Jimboat...
Showing results 1 to 25 of 43
 
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