Search found 3404 matches

by jimh
Sat Sep 23, 2017 7:02 am
Forum: The GAM
Topic: VENTURA with Sterndrive
Replies: 3
Views: 48

Re: VENTURA with Sterndrive

The most reasonable assumption regarding the unusual c.2003 boat with sterndrive: it was built to order by Commercial and Government Products for their customer. My observation regarding popularity of sterndrive propulsion: sterndrives are more popular in colder freshwater boating areas than in salt...
by jimh
Sat Sep 23, 2017 6:26 am
Forum: SMALL BOAT ELECTRICAL
Topic: A Fourth WAAS Satellite Coming
Replies: 12
Views: 967

Re: A Fourth WAAS Satellite Coming

I believe that the WAAS transponder "AMR" carried on INMARSAT-4 F3 at 98.5-degree W longitude and assigned PRN 133 had two drawbacks, which probably account for its short service life: --AMR PRN-133 was not sending a ranging signal; the other two WAAS transponders are sending a ranging sig...
by jimh
Sat Sep 23, 2017 6:13 am
Forum: REPAIRS and MODIFICATIONS
Topic: Cracked Remote Oil Tank
Replies: 9
Views: 151

Re: Cracked Remote Oil Tank

Thanks for the follow-up report on the failure of your unusual repair method to hold up in normal use. In electronic work, the repair method you described would be called a cold-solder joint. Generally when making a weldment or solder connection, the material being welded or soldered must be brought...
by jimh
Sat Sep 23, 2017 6:10 am
Forum: The GAM
Topic: VENTURA with Sterndrive
Replies: 3
Views: 48

Re: VENTURA with Sterndrive

I have never seen a Boston Whaler boat similar to the one advertised.
by jimh
Fri Sep 22, 2017 12:20 pm
Forum: The GAM
Topic: 190 Montauk Bimini Design Failure
Replies: 24
Views: 460

Re: 190 Montauk Bimini Design Failure

What would you limit a 19 Montauk to in water conditions? Since the discussion is only about a claim of design failure of the Bimini top, it really does not matter when I would decide conditions would be too bad and I would impose a limit. The Bimini top design is imposing a limit. That the hinge f...
by jimh
Fri Sep 22, 2017 10:17 am
Forum: The GAM
Topic: Evinrude E-TEC Legacy Engines Slowing Going Away
Replies: 3
Views: 237

Re: Evinrude E-TEC Legacy Engines Slowing Going Away

While weight is a concern, I don't think the situation for the Evinrude E-TEC G2 150 engine is quite as dire as some have made out. Here is a comparison of competitors engines at 150-HP: Outboard Engine Comparison at 150-HP Mercury 150 FOURSTROKE: Mechanical controls: 20-inch = 455-lbs; 25-inch = [n...
by jimh
Thu Sep 21, 2017 3:20 pm
Forum: REPAIRS and MODIFICATIONS
Topic: 1989 Evinrude 225 No Spark
Replies: 14
Views: 416

Re: 1989 Evinrude 225 No Spark

One circuit element in the spark ignition circuit that can shut off all spark is the circuit related to the safety lanyard. This circuit carries a fairly high voltage, perhaps 300-Volts AC. A voltage of 300-Volts AC could have developed a short to ground somewhere due to breakdown of wire insulation...
by jimh
Thu Sep 21, 2017 3:06 pm
Forum: The GAM
Topic: 1976 Montauk Thoughts
Replies: 5
Views: 184

Re: 1976 Montauk Thoughts

For some analysis of boat speed for a MONTAUK 17 with various engine power, see http://continuouswave.com/whaler/reference/16-17/repower.html For some general performance predictions for a number of classic Boston Whaler boats, see http://continuouswave.com/whaler/reference/performancePrediction.htm...
by jimh
Thu Sep 21, 2017 2:45 pm
Forum: The GAM
Topic: Evinrude E-TEC Legacy Engines Slowing Going Away
Replies: 3
Views: 237

Re: Evinrude E-TEC Legacy Engines Slowing Going Away

In another thread, SRAAB928 posted these interesting comments: If the concern is weight--which for many classic boat owners it is--the new Evinrude E-TEC G2 150 in its lightest trim is the heaviest 150 on the market at 496-lbs). If Evinrude continues their path of discontinuing the G1 models--the 15...
by jimh
Thu Sep 21, 2017 2:00 pm
Forum: The GAM
Topic: LED Boat Lighting
Replies: 18
Views: 981

Re: LED Boat Lighting

For human eyesight to become fully dark-adapted requires a long time, perhaps as much as a half-hour. Exposure to any sort of bright light tends to reverse the dark adaptation process, called light adaptation. The time for light adaptation to occur is much shorter, usually less than five minutes. Mo...
by jimh
Thu Sep 21, 2017 1:48 pm
Forum: The GAM
Topic: LED Boat Lighting
Replies: 18
Views: 981

Re: LED Boat Lighting

If a definition for penumbra is to be used, I prefer this more precise one:

...the partial or imperfect shadow outside the complete shadow of an opaque body...where the light from the source of illumination is only partly cut off.
by jimh
Wed Sep 20, 2017 7:26 pm
Forum: The GAM
Topic: Price of Mooring Cover
Replies: 11
Views: 318

Re: Price of Mooring Cover

Dutchman wrote:I bought my cover from them...


Who is "them"?

In the immediate prior sentence you mention two different sources, Mills and iBoat.
by jimh
Wed Sep 20, 2017 6:57 pm
Forum: The GAM
Topic: Price of Mooring Cover
Replies: 11
Views: 318

Re: Price of Mooring Cover

I just had a mooring cover made for my REVENGE 22 W-T Whaler Drive boat by a local canvas shop. The cover is made from Sunbrella. It cost $1,100 and is worth every penny. If you want fine work and good materials, you have to pay for it.
by jimh
Wed Sep 20, 2017 4:41 pm
Forum: The GAM
Topic: LED Boat Lighting
Replies: 18
Views: 981

Re: LED Boat Lighting

I always prefer first-hand comments and recommendations over recitations of second-hand advice. Therefore I give far more weight to the advice from the Coast Guard fellow (WHALER64) with extensive experience and really no weight at all to the anecdotal second-hand advice given to use a monocular nig...
by jimh
Wed Sep 20, 2017 4:23 pm
Forum: REPAIRS and MODIFICATIONS
Topic: Cracked Remote Oil Tank
Replies: 9
Views: 151

Re: Cracked Remote Oil Tank

Your polyethylene welding was a novel solution. Re the Mercury engine: in the Mercury oil mixing system they pressurize the tank above atmospheric pressure to create movement of oil. Maybe the pressure regulator allowed too much pressure to accumulate. But if your repair held at 20-PSI positive pres...
by jimh
Wed Sep 20, 2017 1:47 pm
Forum: SMALL BOAT ELECTRICAL
Topic: NMEA 0183 Lowrance HDS-7 Carbon to Link-6
Replies: 1
Views: 115

Re: NMEA 0183 Lowrance HDS-7 Carbon to Link-6

A long off-topic discussion about how information should be presented on a website has been deleted.--jimh
by jimh
Tue Sep 19, 2017 11:25 pm
Forum: REPAIRS and MODIFICATIONS
Topic: Cracked Remote Oil Tank
Replies: 9
Views: 151

Re: Cracked Remote Oil Tank

What engine is involved?
by jimh
Tue Sep 19, 2017 6:11 pm
Forum: The GAM
Topic: 190 Montauk Bimini Design Failure
Replies: 24
Views: 460

Re: 190 Montauk Bimini Design Failure

As a general rule I would not expect a Bimini top--its fabric or its frame--to be designed to be deployed when the wind on the boat is more than 40-MPH. Note that if you are running at 20-MPH into a 20-MPH headwind, the wind on the boat will be 40-MPH. The description of OEM canvas systems using pla...
by jimh
Tue Sep 19, 2017 12:38 pm
Forum: SMALL BOAT ELECTRICAL
Topic: Reset of MMSI for DSC Radio by End User
Replies: 1
Views: 37

Reset of MMSI for DSC Radio by End User

For some time now the resetting of the maritime mobile service identity (MMSI) in a digital selective calling (DSC) radio by the end-user of the radio has been more or less impossible, and to perform a reset of a DSC radio's MMSI the owner typically had to ship the radio back to the manufacturer for...
by jimh
Mon Sep 18, 2017 8:57 pm
Forum: The GAM
Topic: 1976 Montauk Thoughts
Replies: 5
Views: 184

Re: 1976 Montauk Thoughts

It seems clear in the linked images that the fuel tank is under the reversible pilot seat, where it should be.

The book looks good; it seems to be floating on its painted waterline marks.

The bimini top looks like it was not a Wm. J. Mills & Co. product.
by jimh
Mon Sep 18, 2017 11:58 am
Forum: PERFORMANCE
Topic: Dauntless 220 Re-power
Replies: 17
Views: 1693

Re: Dauntless 220 Re-power

Thanks for the further details on the propellers involved in the change. Yes, it looks very much like you got a more expensive propeller from the dealer when he changed to it. That's a bonus for you, and nice for your dealer to not nitpick the cost difference.
by jimh
Mon Sep 18, 2017 11:45 am
Forum: The GAM
Topic: Evinrude E-TEC Legacy Engines Slowing Going Away
Replies: 3
Views: 237

Evinrude E-TEC Legacy Engines Slowing Going Away

I may have already been subliminally aware of this, but yesterday I became consciously aware: Evinrude has dropped all the legacy E-TEC engines in the larger displacement (3.3 and 3.4-liter) 90-degree V6 models. Engines like my model year 2010 E-TEC 225-HP are no longer being shown on the Evinrude w...
by jimh
Mon Sep 18, 2017 7:31 am
Forum: The GAM
Topic: TOHATSU 250-HP--Very Unusual
Replies: 0
Views: 124

TOHATSU 250-HP--Very Unusual

I just came across the Tohatsu website showing their 250-HP engine. It is quite unusual--not the engine and not the website, but the inclusion of the MSRP for the engine. A Tohatsu BFT250AXA (25-inch standard rotation) has an MSRP of $25,863. To see the actual manufacturer's suggested retail price c...
by jimh
Mon Sep 18, 2017 5:58 am
Forum: REPAIRS and MODIFICATIONS
Topic: Just bought 1988 Montauk - initial repairs
Replies: 4
Views: 162

Re: Just bought 1988 Montauk - initial repairs

I can offer a bit of advice on two areas. On a center console that has lots of old screw fastener holes that are no longer needed, you can attempt to repair these yourself by filling them with polyester resin and top-coating with gel coat resin that is color-matched to the original gel coat color. F...
by jimh
Sun Sep 17, 2017 8:59 pm
Forum: SMALL BOAT ELECTRICAL
Topic: Remote Battery Switch 36-Volt Rating
Replies: 6
Views: 91

Re: Remote Battery Switch 36-Volt Rating

Somewhat tangential to the topic of where to get a remote battery switch that can handle 36-Volts at 100-Amperes and has no current demand for operating its switch action except when changing states: why is such a remote controlled switch needed on a small boat? I can understand how on a large boat ...
by jimh
Sun Sep 17, 2017 5:04 pm
Forum: The GAM
Topic: Location of foam and wood within hull
Replies: 2
Views: 128

Re: Location of foam and wood within hull

Information of the sort you are seeking won't typically be found in a forum discussion. The present forum has only been in operation a couple of years. The present forum replaced an earlier version that operated for about 15 years. Several hundred thousand forum articles are archived, index, and ava...
by jimh
Sun Sep 17, 2017 12:34 pm
Forum: The GAM
Topic: 190 Montauk Bimini Design Failure
Replies: 24
Views: 460

Re: 190 Montauk Bimini Design Failure

Yes, I agree: to expect to be able to run at 37-MPH into head seas of 2.5-feet wave height in a 19-foot boat is unrealistic. If you want to run into head seas with 2.5-feet wave height with minimal G-forces imposed on your Bimini top, you better get a 47-foot offshore sport-fishing boat. An option m...
by jimh
Sun Sep 17, 2017 12:25 pm
Forum: REPAIRS and MODIFICATIONS
Topic: E-TEC 225 Observed Cooling System Water Pressure
Replies: 0
Views: 68

E-TEC 225 Observed Cooling System Water Pressure

In 2011 I made some observations about my 2010 model year E-TEC V6 3.3-liter 225-HP engine. I noted: Observed Cooling System Water Pressure E-TEC 225 RPM PSI RANGE ENGINE TEMP RECOMMENDED PSI 750 3.8 - 4.4 180 3 - 5 1300 9.2 - 9.5 191 8 - 9 1300 9.0 195 8 - 9 1350 9.7 163 8 - 9 1400 9.6 - 9.8 189 8 ...
by jimh
Sun Sep 17, 2017 9:54 am
Forum: The GAM
Topic: John Greviskis Slams E-TEC
Replies: 8
Views: 985

Re: John Greviskis Slams E-TEC

Bombastic speech seems to attract more people to watch obscure cable shows.
by jimh
Sun Sep 17, 2017 9:21 am
Forum: The GAM
Topic: FREQUENTLY ASKED QUESTION: Identify Production Year from HIN
Replies: 4
Views: 225

Re: Identify Production Year from HIN

Regarding what information can be obtained from a boat hull's HIN, you can determine the following information: --manufacturer --manufacturer's serial number --year of production --month of production --model year designation This is explained in detail in the FAQ. See Q1: How Old Is My Whaler? http...
by jimh
Sun Sep 17, 2017 9:07 am
Forum: The GAM
Topic: 190 Montauk Bimini Design Failure
Replies: 24
Views: 460

Re: 190 Montauk Bimini Design Failure

I think you are referring to the TACO MARINE hardware used to perform the hinge function of the Bimini top frame main tube to the deck. The TACO ball-and-socket mount is shown at http://tacomarine.com/product/F13-0301/Deck-Hinge-with-Pin-and-Lanyard TACO MARINE offers a five-year warranty of those p...
by jimh
Sun Sep 17, 2017 7:31 am
Forum: Introduction
Topic: Glenn from Eatonville, WA
Replies: 2
Views: 35

Re: Glenn from Eatonville, WA

Glen--Welcome aboard. I am also a licensed radio amateur, K8SS. But at this moment my prime hobby is boating, with boating electronics replacing ham radio electronics. --jimh
by jimh
Sun Sep 17, 2017 7:28 am
Forum: TRIPS and RENDEZVOUS
Topic: Boating in Eastern Canada, St. Lawrence
Replies: 15
Views: 460

Re: Boating in Eastern Canada, St. Lawrence

Hi Bob--I notice (from the metadata on your images) that you made this trip in the first week of September, 2017. Was the trip planned to coincide with a particular time of year when the whale population would be high in the St. Lawrence? I think some species of whales are migratory, and perhaps the...
by jimh
Sat Sep 16, 2017 7:54 pm
Forum: SMALL BOAT ELECTRICAL
Topic: A Fourth WAAS Satellite Coming
Replies: 12
Views: 967

Re: A Fourth WAAS Satellite Coming

That PRN 133 will stop transmitting is quite interesting news. That satellite was in the best position for eastern USA users. For users on the ground (or on the water) in the eastern USA, PRN 133 has had the highest look angle and thus the best signal. The FAA must be planning to bring on-line anoth...
by jimh
Sat Sep 16, 2017 7:51 pm
Forum: REPAIRS and MODIFICATIONS
Topic: Difference between 2004 and 2017 model year 190 Outrage
Replies: 10
Views: 149

Re: Difference between 2004 and 2017 model year 190 Outrage

If the manufacturer changed the rating, it does not become retroactive to hulls made earlier. The hull you have will continue to have the same rating as the manufacturer gave it when it was made. For more see the FAQ, which answers the question you seem to be asking Q6: Can I exceed the rated Horsep...
by jimh
Fri Sep 15, 2017 7:11 pm
Forum: REPAIRS and MODIFICATIONS
Topic: 2008 Montauk 170 Transom Support Using "transom saver device"
Replies: 15
Views: 304

Re: 2008 Montauk 170 Transom Support Using "transom saver device"

I am a bit stunned that after you buy a premium boat like a new Boston Whaler that there is a critical component omitted from the deal. Based on what is being said and cited here, if I just spent $100,000 on a new Boston Whaler boat, before I could hook up my truck hitch and tow it home on its trail...
by jimh
Fri Sep 15, 2017 2:59 pm
Forum: PERFORMANCE
Topic: Dauntless 220 Re-power
Replies: 17
Views: 1693

Re: Dauntless 220 Re-power

You seem to assume and infer the retail price of the propellers was identical. Are their prices identical?
by jimh
Fri Sep 15, 2017 8:51 am
Forum: REPAIRS and MODIFICATIONS
Topic: 2008 Montauk 170 Transom Support Using "transom saver device"
Replies: 15
Views: 304

Re: 2008 Montauk 170 Transom support... "transom saver device"

Maybe the "m" and "y" in the name m-ywedge stand for Mercury and Yamaha. It looks like a better solution than the kludge trailer arm bracket illustrated above.
by jimh
Thu Sep 14, 2017 1:07 pm
Forum: SMALL BOAT ELECTRICAL
Topic: Remote Battery Switch 36-Volt Rating
Replies: 6
Views: 91

Re: Battery Remote Switch

Check BEP line. Their battery switches are rated for 48-Volt. Maybe they have a remote switch with similar rating.

I am not too keen on a LATCH-ON switch--how do you shut off the circuit if there is a problem with the switch?
by jimh
Thu Sep 14, 2017 8:12 am
Forum: REPAIRS and MODIFICATIONS
Topic: 2008 Montauk 170 Transom Support Using "transom saver device"
Replies: 15
Views: 304

Re: 2008 Montauk 170 Transom support... "transom saver device"

I am sure Evinrude engines have had the trailer support feature for decades. To reply that Mercury engines do not have such a feature does not contradict what I said about Evinrude, nor how I use my Evinrude engine's feature. The best advice is generally from the owner's manual. If you own an outboa...
by jimh
Wed Sep 13, 2017 7:01 pm
Forum: REPAIRS and MODIFICATIONS
Topic: 2008 Montauk 170 Transom Support Using "transom saver device"
Replies: 15
Views: 304

Re: 2008 Montauk 170 Transom support... "transom saver device"

Re "What do I use?":

When the boat is on the trailer, I use the trailer lock mechanism on my Evinrude engine. I think all Evinrude engines have had this mechanism built into their engine mount for 30 years. [I have] no need to buy something extra.
by jimh
Wed Sep 13, 2017 10:03 am
Forum: REPAIRS and MODIFICATIONS
Topic: 2008 Montauk 170 Transom Support Using "transom saver device"
Replies: 15
Views: 304

Re: 2008 Montauk 170 Transom Saver

I am not certain what you mean by "some sort of transom saver." Can you give an example of such a device? I would expect the transom of a recently made Boston Whaler boat to be sufficiently strong to support the original engine without reinforcement of the transom. There are many 50-year-o...
by jimh
Mon Sep 11, 2017 9:29 am
Forum: SMALL BOAT ELECTRICAL
Topic: Comparing DSC and Voice Radio Sensitivity
Replies: 1
Views: 63

Re: Comparing DSC and Voice Radio Sensitivity

For a further discussion regarding voice signals and AIS signals, which, like DSC, are digital modulation, see my earlier remarks at

Comparing Range for VOICE and AIS Transmissions
http://continuouswave.com/ubb/Forum6/HTML/003657.html
by jimh
Mon Sep 11, 2017 9:16 am
Forum: SMALL BOAT ELECTRICAL
Topic: Comparing DSC and Voice Radio Sensitivity
Replies: 1
Views: 63

Comparing DSC and Voice Radio Sensitivity

Specifications for sensitivity for a radio generally give the radio signal level at the receiver input which will produce the demodulated signal with a certain fidelity or accuracy at the receiver output. The nature of the specified accuracy or fidelity varies with the type of modulated signal. In t...
by jimh
Sun Sep 10, 2017 2:12 pm
Forum: SMALL BOAT ELECTRICAL
Topic: Handheld DSC Radio in USA: Use; MMSI Assignment
Replies: 0
Views: 48

Handheld DSC Radio in USA: Use; MMSI Assignment

There are two recent concerns about use of a handheld DSC radio on a recreational boat: --the FCC regulations about use ashore, and --the proper maritime mobile service identity (MMSI) for the radio. This article reviews those two concerns. Use of Handheld Radios On Shore The FCC recently amended it...
by jimh
Sun Sep 10, 2017 10:07 am
Forum: PERFORMANCE
Topic: Gas Oil Ratio for Evinrude 88 Special
Replies: 5
Views: 197

Re: Gas Oil Ratio for Evinrude 88 Special

To help older engines--or newer ones, too--to run better when operating at idle, the engine should always be level or have a slight positive trim, that is, a bit of trim out. This helps the oil recirculation system of the engines because gravity helps any extra oil in the cylinders flow into the rec...
by jimh
Sun Sep 10, 2017 8:15 am
Forum: PERFORMANCE
Topic: Gas Oil Ratio for Evinrude 88 Special
Replies: 5
Views: 197

Re: Gas Oil Ratio for Evinrude 88 Special

Evinrude offers several fuel additive products. For general use they have their 2+4 FUEL CONDITIONER. And a product called CARBON GUARD to reduce carbon deposits. See http://shop.evinrude.com/products/343711/Fuel_Additives There is also FUEL SYSTEM CLEANER, a product to be used occasionally as a mai...
by jimh
Sat Sep 09, 2017 6:18 pm
Forum: The GAM
Topic: The Long Wait for the 200-HP Mercury FOURSTROKE (NOT VERADO)
Replies: 4
Views: 266

The Long Wait for the 200-HP Mercury FOURSTROKE (NOT VERADO)

Several years ago, around the time that Mercury introduced a 150-HP FOURSTROKE (NOT VERADO) engine, there was a great deal of talk about how this engine was just the beginning of an entire new family of engines to come from Mercury that would be derivatives or variations or enhancements of the 150-H...
by jimh
Sat Sep 09, 2017 12:13 am
Forum: SMALL BOAT ELECTRICAL
Topic: Dual Battery Setup on 2004 Nantucket 190
Replies: 20
Views: 433

Re: Dual Battery Setup on 2004 Nantucket 190

You did a nice job on the installation. Good work. I just noticed that the action on the PERKO switch has the OFF position in the full-clockwise direction. That seems backwards to me. Devices that control electrical current usually are oriented so that full-counter-clockwise is the OFF position. On ...
by jimh
Sat Sep 09, 2017 12:08 am
Forum: The GAM
Topic: Montauk 210 Thoughts
Replies: 25
Views: 819

Re: Montauk 210 Thoughts

CROW--there may be a difference in the maximum engine power rating given by Boston Whaler for the 210 MONTAUK compared to the Commercial and Government Products division of Brunswick for what seems like a similar hull because the hull for the Commercial and Government Products boat is built with a s...