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Search: Posts Made By: tj309
Showing results 51 to 75 of 101
Search took 0.00 seconds; generated 46 minute(s) ago.
Forum: General Q & A
05-16-2005, 04:46 PM
Replies: 8
Views: 15,083
Posted By tj309

Re: Truck engine to marine

Not sure about your tech questions but be sure you dont use the stock oil pan. Marine oil pans are designed to provide enough oil even under rough sea conditions whereas the stock one would run out...
Forum: General Q & A
05-07-2005, 01:08 AM
Replies: 18
Views: 23,931
Posted By tj309

Re: Max Battery Cable Length?

Yes I could add lead up front but why haul excess weight when I have two batteries that weigh enough? I am an aero engineer and also an electrician on the side so I do understand all the technical...
Forum: General Q & A
05-05-2005, 06:00 PM
Replies: 18
Views: 23,931
Posted By tj309

Max Battery Cable Length?

I would like to move my batteries forward about 20 feet for CG purposes. Can I do this? Should I increase the thickness of the main leads to avoid excessive voltage drop? Currently the leads are...
Forum: General Q & A
05-04-2005, 07:06 PM
Replies: 3
Views: 875
Posted By tj309

Throttle-Up Does It Again....

After Matt and Julie fixed my boat I have to share the experience. 1st the basics - my 24' cat w/twin 300's and 32" racing cleavers did not have the hole shot, acceleration, planing speeds and...
Forum: General Q & A
04-22-2005, 04:19 PM
Replies: 12
Views: 8,837
Posted By tj309

Re: What is "X" Dimension?

That is what I thought but someone in the prop forum said they has a 15 1/4" X dimension...is this possible or was he in error?
Forum: General Q & A
04-22-2005, 04:09 PM
Replies: 12
Views: 8,837
Posted By tj309

What is "X" Dimension?

What exactly is "X" dimension? I know it has to do with drive height but that is about it. Thanks in advance

TJ
Forum: Detailing, Painting, & Fiberglass
04-17-2005, 07:25 AM
Replies: 8
Views: 5,230
Posted By tj309

Re: filling transom holes

Just spent big $ on 2 Hydromotive Q-IV's designed for Bravo-1's. These props are designed to help lift the stern which has solved my excessive bow rise problem during acceleration. I replaced the...
Forum: Detailing, Painting, & Fiberglass
04-16-2005, 02:21 PM
Replies: 8
Views: 5,230
Posted By tj309

Re: filling transom holes

I do have hydraulic jack plates. Lining up the holes would save some work, but according to Audiofn the easy 1 1/2" drop should suffice. Yes the jacks are as low as they go and the motors are...
Forum: Detailing, Painting, & Fiberglass
04-14-2005, 12:30 AM
Replies: 8
Views: 5,230
Posted By tj309

Re: filling transom holes

Thanks, the reason I want to go 4(?)" lower is to improve hole shot - my prop shop told me lowering the motors would improve hole shot but we did not discuss how much to lower them - yet. I can very...
Forum: Detailing, Painting, & Fiberglass
04-08-2005, 07:24 PM
Replies: 8
Views: 5,230
Posted By tj309

filling transom holes

Hello All - I have a 1990 24' Active Thunder Cat with twin outboards on jacks and setback brackets. I think I need to lower the motors 4" or so to get a decent hole shot - at the current lowest jack...
Forum: General Q & A
04-07-2005, 07:11 PM
Replies: 1
Views: 3,392
Posted By tj309

Outboard Exhaust Relief Port....Relief

I have a pair of ProMax 300's that I am thinking about lowering to improve holeshot. If I do this the exhaust relief ports on the back top of the middle driveshaft unit would be submerged at idle...
Forum: General Q & A
04-05-2005, 08:07 PM
Replies: 29
Views: 22,804
Posted By tj309

Re: Bravo Prop Shaft Play

Wow! After reading all of the above I wonder if I'm messed up. I have twin Merc ProMax 300's with about 100 hours each. My prop shafts have in-and-out (forward-reverse) play of 1/16" or less. ...
Forum: General Q & A
04-01-2005, 05:55 PM
Replies: 21
Views: 2,774
Posted By tj309

Re: When do cats fly?

There is no tab on the boat. I just got 2 new Hyromotive Q-IV's at 29.5" which will be tried out Sunday. Cant wait. It's interesting what Matt & Julie at Throttle-Up did for me - They took props...
Forum: General Q & A
03-31-2005, 01:30 AM
Replies: 11
Views: 12,623
Posted By tj309

How to calculate your top speed

I have gotten so much help from this forum...now it's time to give something back.

To calculate your boat's top speed you have to 1st make some assumptions.

1. Add 1" to your prop's pitch if...
Forum: General Q & A
03-22-2005, 08:07 PM
Replies: 12
Views: 2,054
Posted By tj309

Re: Boat Cover

I am also interested in a boat cover for a 24' cat with twin outboards. Any help here?

Thanks, TJ
Forum: General Q & A
03-14-2005, 07:11 PM
Replies: 0
Views: 2,211
Posted By tj309

Adding trim switch & water flush to ProMax 300

I have a pair of 1999 Mercury ProMax 300's on my boat. After buying an operator's manual from Mercury I noticed that the manual talked about a fresh water flush port and a motor mounted trim switch...
Forum: General Q & A
03-12-2005, 09:50 PM
Replies: 4
Views: 1,648
Posted By tj309

Re: VHF Antenna Location

Thanks to both MC and hillbilly. You have answered my questions. At the distances I will be offshore I can do what I need to do for safety and not ruin my boat lines.

TJ
Forum: General Q & A
03-12-2005, 07:51 PM
Replies: 4
Views: 1,648
Posted By tj309

VHF Antenna Location

I am installing a VHF radio in my boat. My FM antenna is mounted forward inside the bow horizontally out of sight. My GPS mushroom antenna is also in the bow out of sight. Both FM & GPS work...
Forum: General Q & A
03-11-2005, 09:31 PM
Replies: 3
Views: 7,040
Posted By tj309

Re: Adding a trim switch to the throttle

I don't want an add on switch - I want it to be in the throttle handle.

Thanks, TJ
Forum: General Q & A
03-11-2005, 06:02 PM
Replies: 3
Views: 7,040
Posted By tj309

Adding a trim switch to the throttle

I have a Kiekhaefer dual throttle and dual shift unit serial # 39481 and would like to add a trim swith to one of the throttle levers to control both engines, and also add the necessary diode unit. ...
Forum: General Q & A
03-10-2005, 07:14 PM
Replies: 0
Views: 755
Posted By tj309

What effect does changing CG have on perf?

I have calculated some rather astounding numbers concerning CG shift on my 24' cat with twin 300 outboards set back 17.5". Before I let you in on the numbers I would like to verify 2 things: (all...
Forum: General Q & A
03-08-2005, 06:32 PM
Replies: 8
Views: 1,262
Posted By tj309

Re: Prop recommendations

Depends on what you want. Acceleration? Hole shot? Top speed? All of the above? You will have to consider trade-offs as different props are designed to do different things. It would also be...
Forum: General Q & A
03-07-2005, 07:58 PM
Replies: 16
Views: 31,929
Posted By tj309

Re: Life Expectancy Of Merc 575 Sci

I have an Active Thunder Cat 24' with twin ProMax 300's. What type of boat do you have?
Forum: General Q & A
03-05-2005, 10:35 PM
Replies: 9
Views: 8,345
Posted By tj309

Re: Gas for promax 300

mmwalters good to hear from such a knowlegable person. I am curious - how fast does your rig go? And how long did it take you to get it to go that fast? It will take me some time to approach the...
Forum: General Q & A
03-05-2005, 09:22 AM
Replies: 9
Views: 8,345
Posted By tj309

Re: Gas for promax 300

My rev limiters kick in at 6200.
Showing results 51 to 75 of 101
 
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