Search found 4021 matches

by jimh
Sun Jan 21, 2018 11:28 pm
Forum: REPAIRS and MODIFICATIONS
Topic: Dauntless 15 Fuel Tank Upgrade
Replies: 2
Views: 60

Re: Dauntless 15 Fuel Tank Upgrade

I don't see the D-rings in your image. It looks like the strap just goes around the circumference of the seat base. Does the strap just attach to itself?
by jimh
Sun Jan 21, 2018 9:59 am
Forum: SMALL BOAT ELECTRICAL
Topic: Tank Sender and Trim Sender Resistance
Replies: 0
Views: 36

Tank Sender and Trim Sender Resistance

Electrical senders for tank level tend to have two standards: one found in the USA and another for Europe. The resistance ranges are different, and so is the direction sense. The nominal values are: TANK LEVEL SENDER RESISTANCE Ohms: Full / Mid / Empty USA: 33 / 103 / 240 EUR: 180 / 95 / 10-Ohms Ele...
by jimh
Sat Jan 20, 2018 2:18 pm
Forum: REPAIRS and MODIFICATIONS
Topic: 1989 Outrage 22 Fuel Tank and Live Well
Replies: 5
Views: 111

Re: 1989 Outrage 22 Fuel Tank and Live Well

The Yamaha 200 HDPI will likely be more fuel efficient than any original engine on the boat.

Are there any signs the transom was originally set-up for twin engines?
by jimh
Sat Jan 20, 2018 10:28 am
Forum: REPAIRS and MODIFICATIONS
Topic: 1989 Outrage 22 Fuel Tank and Live Well
Replies: 5
Views: 111

Re: 1989 Outrage 22 Fuel Tank and Live Well

I suspect that the option for having the much larger fuel tank capacity on the OUTRAGE 22 boat was probably chosen by customers who were planning on running twin engines and wanted to have very long fuel endurance times. What engine or engines are powering this boat? From the small image you provide...
by jimh
Fri Jan 19, 2018 6:38 pm
Forum: The GAM
Topic: St. Lawrence Seaway Delays--Or How I Spent My Christmas Vacation
Replies: 48
Views: 1105

Re: St. Lawrence Seaway Delays--Or How I Spent My Christmas Vacation

MAMBO--you can email them to me and I will add them to your post. --jimh

The currency exchange is favorable. I think the US dollar buys CA-$1.25 these days.
by jimh
Fri Jan 19, 2018 2:34 pm
Forum: PERFORMANCE
Topic: New Yamaha VF 90
Replies: 17
Views: 328

Re: New Yamaha VF 90

...I have not yet been able to get the boat to run right... If "not run right" means problems with the engine, consider starting a thread in REPAIRS and MODIFICATIONS to solicit advice about improving the engine's running characteristics. Any modern 90-HP engine is probably a good choice ...
by jimh
Fri Jan 19, 2018 2:28 pm
Forum: PERFORMANCE
Topic: c.1970 15-footer with 70-HP on Jackplate
Replies: 10
Views: 177

Re: c.1970 15-footer with 70-HP on Jackplate

A small and very light boat like a Boston Whaler SPORT 15--and particularly the early hulls that are quite light--will be very sensitive to crew weight. Adding four people to the boat probably doubles its weight. Any sort of propeller testing should be done with a consistent crew weight aboard, and ...
by jimh
Fri Jan 19, 2018 9:52 am
Forum: PERFORMANCE
Topic: c.1970 15-footer with 70-HP on Jackplate
Replies: 10
Views: 177

Re: c.1970 15-footer with 70-HP on Jackplate

The criteria of "all-around performance" and "good top end" are somewhat hard to define qualities. Generally those qualities are provided by three-blade propellers whose pitch allows the engine to accelerate to the upper one-third of its range of engine speeds for full-throttle o...
by jimh
Fri Jan 19, 2018 9:39 am
Forum: REPAIRS and MODIFICATIONS
Topic: Outboard Engines: Rebuild or Buy New
Replies: 12
Views: 708

Re: Outboard Engines: Rebuild or Buy New

About 50-years from now, a c.1970 Evinrude two-stroke gasoline engine with a carburetor will still be running. I wonder how many c.2010 Evinrude E-TEC engines will still be running.
by jimh
Fri Jan 19, 2018 9:32 am
Forum: REPAIRS and MODIFICATIONS
Topic: Tohatsu 5-HP: Gasoline or Propane
Replies: 15
Views: 290

Re: Tohatsu 5-HP: Gasoline or Propane

What is the weight of the fuel tank that would be used with a Tohatsu 5-HP engine when the tank is empty? When it is full?
by jimh
Fri Jan 19, 2018 9:23 am
Forum: REPAIRS and MODIFICATIONS
Topic: Tohatsu 5-HP: Gasoline or Propane
Replies: 15
Views: 290

Re: Tohatsu 5-HP: Gasoline or Propane

RIDGE--thanks for the drawing. The linked video was boring. I gave up after about 15-seconds. I have a standby generator. Rather than use propane I opted for natural gas. The generator starts itself every two weeks for exercise, then emails me a report about it. I use propane for cooking on the boat...
by jimh
Fri Jan 19, 2018 12:38 am
Forum: The GAM
Topic: Oregon Buoy 10 Boat Collision
Replies: 4
Views: 215

Re: Oregon Buoy 10 Boat Collision

I have to say those guys in the fishing boat reacted rather quickly. I don't know if I would have been able to jump overboard like that. Maybe at some point your survival instincts take over and you bail out. Also, the guys in the fishing boat were policemen; maybe they are better trained and have m...
by jimh
Fri Jan 19, 2018 12:11 am
Forum: VHF MARINE RADIO
Topic: Display of AIS Targets: Vessels
Replies: 1
Views: 45

Re: Display of AIS Targets: Vessels

It would be interesting to conduct in this thread a survey of other brands of chartplotter to demonstrate how they display AIS targets. If readers have screen captures of their chartplotter showing a CLASS-A AIS vessel target, please show us the display, indicate the brand and model of display, and ...
by jimh
Fri Jan 19, 2018 12:04 am
Forum: VHF MARINE RADIO
Topic: Display of AIS Targets: Vessels
Replies: 1
Views: 45

Display of AIS Targets: Vessels

When a chartplotter is connected with an AIS receiver so the chartplotter receives data from the receiver about an AIS target, the chartplotter typically draws the target as an overlay of the electronic navigation chart display. The AIS transmission from a vessel will include various data, generally...
by jimh
Thu Jan 18, 2018 4:51 pm
Forum: The GAM
Topic: Boston Whaler Plant Expansion
Replies: 3
Views: 351

Re: Boston Whaler Plant Expansion

A ground-breaking ribbon-cutting ceremony took place this week to mark the start of work on the construction of new facilities for Boston Whaler on the recently acquired northern property adjoining the existing plant. whalerInvitationGroundBreakSmall.jpg With the announced sale by Brunswick of SEARA...
by jimh
Thu Jan 18, 2018 4:34 pm
Forum: VHF MARINE RADIO
Topic: Advantages of Built-in GNSS and AIS Receivers in VHF Marine Band Radios
Replies: 18
Views: 221

Re: How AIS Targets Are Displayed On Radios and Chartplotters

ASIDE to DUANE: ...I don't recall suggesting a chart plotter should display detailed info from an AIS receiver when an AIS ship board transmitter does not have their detailed data set into the AIS transmitter.... An AIS transponder can have all kinds of information programmed into it, but it does no...
by jimh
Thu Jan 18, 2018 4:29 pm
Forum: VHF MARINE RADIO
Topic: Advantages of Built-in GNSS and AIS Receivers in VHF Marine Band Radios
Replies: 18
Views: 221

Re: Advantages of Built-in GNSS and AIS Receivers in VHF Marine Band Radios

I'm not sure what you are aiming at here, my first guess is that there are some words missing or misplaced (first sentence). DUANE--there are no missing words. Feel free to ignore my aside. It was in reply to your post mentioning how chartplotter display AIS targets. You brought up the topic when y...
by jimh
Thu Jan 18, 2018 4:20 pm
Forum: The GAM
Topic: Oregon Buoy 10 Boat Collision
Replies: 4
Views: 215

Re: Oregon Buoy 10 Boat Collision

There is already a lawsuit in the works as a result of this collision. Details at the DAILY ASTORIAN. http://www.dailyastorian.com/Local_News/20180116/fisherman-sues-after-boat-crash-near-hammond-during-buoy-10 The article identifies the other boat as a 31-foot Bayliner Trophy. Apparently the collis...
by jimh
Thu Jan 18, 2018 1:51 pm
Forum: SMALL BOAT ELECTRICAL
Topic: Conductor Size for Electrical Power Distribution
Replies: 5
Views: 599

Re: Conductor Size for Electrical Power Distribution

As an adjunct to the problem of properly selecting the size of an electrical conductor, I became curious to know how to compute the resistance of electrical conductors. That investigation led to a new article: Electrical Conductor Resistance http://continuouswave.com/whaler/reference/copperConductor...
by jimh
Thu Jan 18, 2018 11:17 am
Forum: The GAM
Topic: St. Lawrence Seaway Delays--Or How I Spent My Christmas Vacation
Replies: 48
Views: 1105

Re: St. Lawrence Seaway Delays--Or How I Spent My Christmas Vacation

Latest news on Little Rock is that Navy may have temporarily given up on transit. She may be "wintering over"; crew will not be happy stuck in winter while sunny Mayport, FL awaits arrival to their eventual homeport! MAMBO--many thanks for contributing this excellent information to the th...
by jimh
Thu Jan 18, 2018 10:32 am
Forum: PERFORMANCE
Topic: New Yamaha VF 90
Replies: 17
Views: 328

Re: New Yamaha VF 90

ROLLO--the reaction of your Evinrude dealer is interesting. He sounds old-school, but probably rightfully so. In today's society, a boat with a dealer-installed engine that exceeded the boat manufacturer's rating for maximum horsepower represents a risk for the dealer. There are already plenty of ri...
by jimh
Thu Jan 18, 2018 10:08 am
Forum: The GAM
Topic: St. Lawrence Seaway Delays--Or How I Spent My Christmas Vacation
Replies: 48
Views: 1105

Re: St. Lawrence Seaway Delays--Or How I Spent My Christmas Vacation

The problem I found with the 1,000-Island area is the frequent need to cross the international border and the attendant requirements to report to immigration and customs for entry by boat. When we went through there we tried to stay on one side of the border and not cross it very often. I don't thin...
by jimh
Thu Jan 18, 2018 9:09 am
Forum: GLOBAL NAVIGATION SATELLITE SYSTEMS
Topic: A Fifth WAAS Satellite Coming
Replies: 9
Views: 557

Re: A Fifth WAAS Satellite Coming

KFETTER--thanks for the link to one of many other websites carrying the SES press release regarding SES-15, which will be the fifth WAAS satellite in orbit when it becomes operational. There is still no sign of SES-15's WAAS signal on the FAA's real-time satellite map or an announcement that the WAA...
by jimh
Thu Jan 18, 2018 12:00 am
Forum: The GAM
Topic: UNSINKABLE: The New England Patriots
Replies: 8
Views: 911

Re: UNSINKABLE: The New England Patriots

I have been a New England Patriot fan for a long time--ever since Tom Brady became their QB.

--jimh,
University of Michigan Alumnus, 1972
(Can that really be 46-years ago?)
by jimh
Wed Jan 17, 2018 10:26 am
Forum: PERFORMANCE
Topic: New Yamaha VF 90
Replies: 17
Views: 328

Re: New Yamaha VF 90

Here is a description written by Yamaha for the V MAX SHO series. I added some highlights to point out a few words and phrases: The In-Line Four V MAX SHO four strokes have achieved the unthinkable —packing signature V MAX SHO hole shot and acceleration into streamlined designs . This powerful famil...
by jimh
Wed Jan 17, 2018 5:12 am
Forum: VHF MARINE RADIO
Topic: ICOM IC-M402: Rehabilitating an older VHF Marine Band Radio
Replies: 1
Views: 46

Re: ICOM IC-M402: Rehabilitating an older VHF Marine Band Radio

After I modified the microphone of the ICOM IC-M402 radio, the quality of the audio modulation improved dramatically, as I noted above. I then made some comparison tests of the transmitter modulation of the M402 compared to my Standard-Horizon GX1500S. To my surprise, I heard the ICOM radio sounding...
by jimh
Wed Jan 17, 2018 5:10 am
Forum: VHF MARINE RADIO
Topic: ICOM IC-M402: Rehabilitating an older VHF Marine Band Radio
Replies: 1
Views: 46

ICOM IC-M402: Rehabilitating an older VHF Marine Band Radio

ICOM IC-M402: Rehabilitating an older VHF Marine Band Radio For over fifteen years I have owned an ICOM IC-M402 VHF Marine Band radio. I believe I purchased this radio in c.2001, and used it on at least two of my boats. In 2007 I purchased another VHF Marine Band radio, a newer model from another m...
by jimh
Tue Jan 16, 2018 8:52 pm
Forum: VHF MARINE RADIO
Topic: Advantages of Built-in GNSS and AIS Receivers in VHF Marine Band Radios
Replies: 18
Views: 221

Re: Advantages of Built-in GNSS and AIS Receivers in VHF Marine Band Radios

DON--NMEA-2000-only stuff seems to be oriented toward lowest-tier recreational grade electronics. The serious professional-grade stuff still provides NMEA-0183. I don't think it will be going away very soon.
by jimh
Tue Jan 16, 2018 8:32 pm
Forum: The GAM
Topic: St. Lawrence Seaway Delays--Or How I Spent My Christmas Vacation
Replies: 48
Views: 1105

Re: St. Lawrence Seaway Delays--Or How I Spent My Christmas Vacation

The Canadian Coast Guard is not really an adjunct of their military services. It is a civil service operation.

The USS LITTLE ROCK seems to be still at a pier in Montreal, and hasn't moved in more than a week.
by jimh
Tue Jan 16, 2018 4:05 pm
Forum: VHF MARINE RADIO
Topic: Advantages of Built-in GNSS and AIS Receivers in VHF Marine Band Radios
Replies: 18
Views: 221

Re: Advantages of Built-in GNSS and AIS Receivers in VHF Marine Band Radios

DON--I looked at the Raymarine line of AXIOM products. None of the models in the plain AXIOM line provide NMEA-0183. From what I can tell from their website specifications, you would have to upgrade to the model AXIOM PRO 9 to have a NMEA-0183 port available from the chartplotter. The AXIOM PRO 9 mo...
by jimh
Tue Jan 16, 2018 1:49 pm
Forum: REPAIRS and MODIFICATIONS
Topic: Tohatsu 5-HP: Gasoline or Propane
Replies: 15
Views: 290

Re: Tohatsu 5-HP: Gasoline or Propane

GUS--thanks for the added information that a propane fuel tank with some sort of sight-gauge of fuel level is available. That solves the problem of determining how much fuel remains in the tank. As for the abundance of locations to get a propane tank refilled, I can agree there are many of them on t...
by jimh
Tue Jan 16, 2018 12:29 pm
Forum: PERFORMANCE
Topic: New Yamaha VF 90
Replies: 17
Views: 328

Re: New Yamaha VF 90

...and Evinrude has their [H.O.] Models. Generally Evinrude only uses the H.O. designator to differentiate between two engines of the same horsepower where one has a larger displacement. For example, Evinrude had a 200-HP E-TEC and a 200 H.O. E-TEC. The model called the 200-HP was based on a smalle...
by jimh
Tue Jan 16, 2018 12:16 pm
Forum: REPAIRS and MODIFICATIONS
Topic: Tohatsu 5-HP: Gasoline or Propane
Replies: 15
Views: 290

Re: Tohatsu 5-HP: Gasoline or Propane

There is not a carburetor on [the Tohatsu 5-HP propane fuel engine], but there is a "fuel/air mixer", which looks like a carburetor. A carburetor is a fuel-air mixer. If the Tohatsu engine has a device that mixes the propane fuel with air, then it sounds like a carburetor to me. If it loo...
by jimh
Tue Jan 16, 2018 11:34 am
Forum: SMALL BOAT ELECTRICAL
Topic: Actisense NMEA Gateway Revised
Replies: 1
Views: 122

Re: Actisense NMEA Gateway Revised

Based on very recent email correspondence with ActiSense, the announced revisions and upgrades to their NGW-1 product have been delayed. The announced new firmware and the new functions it is intended to provide have not been released. When there is more news about the NGW-1, I will append to this t...
by jimh
Tue Jan 16, 2018 11:32 am
Forum: VHF MARINE RADIO
Topic: Advantages of Built-in GNSS and AIS Receivers in VHF Marine Band Radios
Replies: 18
Views: 221

Re: Advantages of Built-in GNSS and AIS Receivers in VHF Marine Band Radios

DON--I noted that in the specification for the AXIOM 7, Raymarine suggests that it can be used if an NMEA-2000 adaptor is fitted; they say: Requires suitable adaptor to NMEA2000 network The problem with that approach is as follows: --the cost of a NMEA-018 to NMEA-2000 gateway is expensive; they are...
by jimh
Tue Jan 16, 2018 11:26 am
Forum: SMALL BOAT ELECTRICAL
Topic: NMEA Connection
Replies: 4
Views: 78

Re: NMEA Connection

Which connection protocol are you interested in? NMEA-0183? Or NMEA-2000?
by jimh
Tue Jan 16, 2018 10:58 am
Forum: SMALL BOAT ELECTRICAL
Topic: Conductor Size for Electrical Power Distribution
Replies: 5
Views: 599

Re: Conductor Size for Electrical Power Distribution

I have added an an addendum to the original article. The addendum investigates and explains how properties of copper conductors are consistent across many wire sizes, and establishes the basis by which Hebert's Rule works. This further confirms the validity of using the rule in selecting conductor s...
by jimh
Tue Jan 16, 2018 9:07 am
Forum: PERFORMANCE
Topic: New Yamaha VF 90
Replies: 17
Views: 328

Re: New Yamaha VF 90

SCOTT--thanks for the link where Yamaha calls the V MAX SHO 90 the VF90. I think it is good to know the actual nomenclature so the engine can be called by its product designator. I am not familiar with the Yamaha V-Max or V MAX line, but it appears to be a product line that is supposed to make boate...
by jimh
Mon Jan 15, 2018 6:53 pm
Forum: PERFORMANCE
Topic: New Yamaha VF 90
Replies: 17
Views: 328

Re: New Yamaha VF 90

Thanks for the pointer to the press release about the V MAX SHO 90. Is that the same engine as the topic of this thread, the VF90? I don't see any model designation or nomenclature with VF90.
by jimh
Mon Jan 15, 2018 6:49 pm
Forum: REPAIRS and MODIFICATIONS
Topic: 170 Montauk Fighting Chair Mounting
Replies: 4
Views: 232

Re: 170 Montauk Fighting Chair Mounting

Because of the double bottom hull construction of Boston Whaler boats used for the last 60-years, it is generally not possible to create strong attachment points at random locations in the hull or cockpit deck. Usually an strong attachment point must be pre-designed and prefabricated during the orig...
by jimh
Mon Jan 15, 2018 6:09 pm
Forum: PERFORMANCE
Topic: New Yamaha VF 90
Replies: 17
Views: 328

Re: New Yamaha VF 90

Your announcement of the VF90 was the first I heard of it. What is it supposed to be?
by jimh
Mon Jan 15, 2018 2:14 pm
Forum: VHF MARINE RADIO
Topic: Advantages of Built-in GNSS and AIS Receivers in VHF Marine Band Radios
Replies: 18
Views: 221

Re: How AIS Targets Are Displayed On Radios and Chartplotters

ASIDE TO PORTHOLE: The chartplotters I have looked at do not have a AIS receiver built in... I do not recall ever seeing a general-purpose chartplotter being set up with an integral AIS receiver. However it is quite common for there to be a chartplotter dedicated to showing AIS targets to have its o...
by jimh
Mon Jan 15, 2018 1:56 pm
Forum: VHF MARINE RADIO
Topic: Advantages of Built-in GNSS and AIS Receivers in VHF Marine Band Radios
Replies: 18
Views: 221

Re: How Chartplotters Show AIS Targets

Don--if you want to see what AIS ship targets look like on an HDS-8 and other displays, then read my article about AIS:

AIS Ship Spotting
http://continuouswave.com/whaler/reference/AIS_ShipSpotter.html
by jimh
Mon Jan 15, 2018 1:54 pm
Forum: VHF MARINE RADIO
Topic: Advantages of Built-in GNSS and AIS Receivers in VHF Marine Band Radios
Replies: 18
Views: 221

Re: Advantages of Built-in GNSS and AIS Receivers in VHF Marine Band Radios

Don--if I were starting from scratch and had no radio or no chartplotter, I am not sure what brands I would consider in regard to AIS reception. I have been very satisfied with my Standard-Horizon radio, an older model without an AIS receiver built in. I would be tempted to get the GX2200 with AIS. ...
by jimh
Mon Jan 15, 2018 1:47 pm
Forum: VHF MARINE RADIO
Topic: Advantages of Built-in GNSS and AIS Receivers in VHF Marine Band Radios
Replies: 18
Views: 221

Re: How AIS Targets Are Displayed On Radios and Chartplotters

ASIDE to PORTHOLE: Chartplotters either properly AIS targets or or they don't, and it depends mostly on the chartplotter, but also on the data that has been received from the target. For example, if an AIS receiver has not received the name of the ship in the AIS broadcast, a chartplotter cannot dis...
by jimh
Mon Jan 15, 2018 9:48 am
Forum: REPAIRS and MODIFICATIONS
Topic: 1969 13-footer Restoration
Replies: 3
Views: 86

Re: 1969 13-footer Restoration

What is "Silvertip"?
by jimh
Mon Jan 15, 2018 9:35 am
Forum: REPAIRS and MODIFICATIONS
Topic: Tohatsu 5-HP: Gasoline or Propane
Replies: 15
Views: 290

Re: Tohatsu 5-HP: Gasoline or Propane

The obvious problem with operating an outboard engine on liquid propane fuel: where can you re-fuel? It certainly will limit your opportunity to re-fuel on the water. Also, how do you determine how much fuel is remaining in a tank? I think the dealer's representation of the engine as having "no...
by jimh
Sun Jan 14, 2018 1:44 pm
Forum: PERFORMANCE
Topic: Get-home Engine for 17
Replies: 12
Views: 315

Re: Get-home Engine for 17

Attempting to use two engines, one which runs directly from gasoline fuel and another that requires its fuel be a pre-mix of gasoline and two-cycle oil, is going to be a long-term nuisance. There are two solutions to this problem: --maintain separate fuel tanks for each engine; the drawback is the t...
by jimh
Sun Jan 14, 2018 1:14 pm
Forum: VHF MARINE RADIO
Topic: Measuring Radio Antenna VSWR
Replies: 4
Views: 173

Re: Measuring Radio Antenna VSWR

Previously I wrote: ...In our test set up, the wattmeter is placed 15-feet away from the antenna. If we measured 22-Watts at the wattmeter location, that power will be attenuated by -0.945 dB by the time it reaches the antenna. We must calculate the actual power at the antenna as being -0.945 dB low...
by jimh
Sun Jan 14, 2018 11:23 am
Forum: VHF MARINE RADIO
Topic: Advantages of Built-in GNSS and AIS Receivers in VHF Marine Band Radios
Replies: 18
Views: 221

Re: Advantages of Built-in GNSS and AIS Receivers in VHF Marine Band Radios

DON--if you want to make integration of a new VHF Marine Band DSC radio and a new chartplotter as simple as possible, consider getting a radio and a chartplotter that both have NMEA-2000 network support. This will make the electrical connection to exchange data between them much simpler for you. You...