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General Diesel: General -
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Fresh Water Flush with Saltaway? |
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4
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Fri Nov 20 09 3:14 PM |
Nov 19 2009
04:38 AM |
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Bill Waters
Fresh water flushing has been a popular topic over the years. I found the Salt Away company makes a handy little unit that will allow a small amount of their SaltAway product to be introduced into the..... |
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4 Responses....
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Nov 19 2009
05:52 PM |
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Tony D
OK, you could .. but why? Getting the salt water out and the fresh water in is what is important. If you have salt and mineral built up, this may help clean a little of it out, but it won´t clean 5 ..... |
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Nov 19 2009
08:14 PM |
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Tomas Kempe
Salt-Away I have seen discussed before and imply that you get rid of salts - on the contrary you are adding salts - as corrosion inhibitors. Why else are they that secretive, it would destroy the imag..... |
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Yesterday
02:51 AM |
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Carlf
One of my neighbors at the marina has used Salt Away for years to wash down his 60´ trawler after being out for awhile. He highly recommends it based on actual, vs theoretical, experience. It is unc..... |
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Yesterday
03:14 PM |
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Tomcat
I use saltaway to rinse my boat ,it eliminates salt buildup and film its pretty amazing. On a old heavy caked crusty buildup it does not do much. |
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General Diesel: General -
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A bump over to the Boat Forum |
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2
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Thu Nov 19 09 10:36 PM |
Nov 18 2009
10:59 PM |
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Bill D l
Hi guys. I posted a question on a vintage Gray Marine six banger gasser on the Boat Forum.
SN# and all.
My marina owner pulled it out of a 1931 Chris Craft Runabout. I think is most likely a 2nd eng..... |
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2 Responses....
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Nov 19 2009
11:57 AM |
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Lijoe
Bill don´t know anyting about the engine, but you are right it is a re-power. Chris Craft built (marinized) all its own gas engines until about 1979. |
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Nov 19 2009
10:36 PM |
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Bill D l
Lijoe, yes, the owner is just tryin to find out the year of manufacter of the Gray Marine.
Bill D. |
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General Diesel: General -
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Low revs or high revs? |
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16
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Thu Nov 19 09 3:59 AM |
Nov 11 2009
10:36 AM |
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Brodde
When replacing an old engine with a new, does anyone have an idea if the new engine should be a high rev or a low rev? For example, in the segment 180-200hp Volvo seems to have high rev engines (4000 ..... |
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Nov 15 2009
12:24 PM |
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Brodde
Hi Paul and thanks for your reply.
Here´s the spec.
Boat:
GB 36 Classic (twin engines)
Running time:
Between 100 and 150 hrs per season
Speed:
6-7 kts. From www.yachtworks.info/en/motor..... |
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Nov 15 2009
03:20 PM |
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David Marchand
Brodde:
I don´t understand the speed/hp reference you posted. Either Beebe´s book (updated by Lieshman) or the calculator on this site, indicate about 50-60 hp (total) will be required to push this..... |
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Nov 16 2009
10:40 AM |
#6 |
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Paul Foulston
Broddie,
I agree broadly with Davids comments.
Before you nail engine choice you need to think about brand support in your area.
Having done background work on dealers my thought processes wo..... |
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Nov 16 2009
11:24 AM |
#7 |
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Karl
Tdanos - Disagree with your post and the calculation you present. The rotational speed of the crankshaft by itself has little (Nothing) to do with the service life of an engine.
Paul - Perhaps the ..... |
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Nov 16 2009
12:40 PM |
#8 |
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Got Diesel
I myself would go with the Cummins, Engine price will be lower than the other, service parts will be lower, parts will be around in plenty way past the time I am dead. And after market part are alrea..... |
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Nov 16 2009
01:14 PM |
#9 |
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Tomas Kempe
"Paul as he has done a lot of R & D on lowering the HP and fuel burn of the 6BT for you´re type of application"
This engine is rated at 210hp at 2600 rpm, what is the magic trick in lowerin..... |
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Nov 16 2009
01:22 PM |
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Got Diesel
As far as R & D ask Paul. Tomas as far as propping the engine does not need to see 2600 RPM. The engine does need to be set up not to be run in a over loaded condition. To expand on the propping if..... |
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Nov 16 2009
01:45 PM |
#11 |
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Paul Foulston
Karl,
D4-180 agree totally, you know I am a common rail nut, forgot totally about that rating, however over here Volvo dealers tend to have a real blind side on low ratings of D4/6.
I had a deal..... |
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Nov 16 2009
02:30 PM |
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Ski in NC
Brodde- Another thing to consider is the type of sound that the engines create when cruising. Low rpm engines such as the Ford and Cummins will probably be at around 1800 rpm at hull speed. The Vol..... |
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Nov 16 2009
02:51 PM |
#13 |
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Got Diesel
Tomas, you can think of it as re rating the engine for a lower HP and RPM. Tim |
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Nov 16 2009
04:11 PM |
#14 |
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Ralph Salerno
Volvos are good engines but replacement parts cost triple of Cummins or anyone else. |
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Nov 16 2009
04:23 PM |
#15 |
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Tomas Kempe
Tim I think I understand: Lets try this as an exercise made with up numbers - you have a gear ratio, prop size for rated at 210hp and 2800 or 2600?rpm. If you have access to the prop-fuel curve and po..... |
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Nov 19 2009
03:59 AM |
#16 |
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Got Diesel
Tomas, You´re putting a lot more at me than I have time to reply to but, you know how to work the numbers but remenber it´s not the prop HP fuel cruve it´s the fuel, Lbs per fuel per HP per hour. yo..... |
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General Diesel: General -
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Volvo Continuous Rpm?? |
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Wed Nov 18 09 4:49 AM |
Nov 17 2009
03:39 AM |
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Raymond
I am talking with a broker about a boat with 1995 210HP 6 cyl volvos. I am trying to find out the model number to determine some performance figures but assume it is a 3900RPM engine. What kind of max..... |
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2 Responses....
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Nov 17 2009
11:45 PM |
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Ed
It all depends on how the boat is propped. If you are not familiar with this issue look up articles and posts on site. Even if you have a well propped boat running 200 off rated is not likely to give ..... |
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Nov 18 2009
04:49 AM |
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Raymond
Thank you for the reply. I have had two diesel boats with Yanmars but they were lower RPM engines. I am also familiar with Cummins 6btas but they are even lower RPM rated engines. The 3900 RPM rated e..... |
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General Diesel: General -
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Cat D333B No load and loaded WOT RPM? |
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0
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Mon Nov 16 09 2:00 AM |
Nov 16 2009
02:00 AM |
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Myles Bertram 25
Gday,
I thought I would repost here under the general section as no one has answered in the Cat section.
Can anyone advise the No Load and Load WOT RPM for a Cat D333B.
Thank you to all those t..... |
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NO Responses....
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General Diesel: General -
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Hynautic Control Systems |
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1
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Sun Nov 15 09 8:26 PM |
Nov 15 2009
06:44 PM |
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Tony Athens
To Our Readers:
Has anyone experienced internal corrosion problems with the old type Ethylene Glycol type Hynautic Throttle/Transmission Controls systems that were sold in the last 3-7 years.. Typi..... |
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1 Response....
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Nov 15 2009
08:26 PM |
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David DiSesa
I do a fair amount of work on these systems and never had any problems with the fluid other than some soft gel around the charging valves. |
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General Diesel: General -
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Engine Choice |
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17
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Sun Nov 15 09 6:01 PM |
Nov 13 2009
11:38 AM |
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Finalstorm
I am brand new to diesel engines. I am considering a DE boat, 33 feet, anticipated weight in the 12,000 lb range and would welcome input on an engine choice. A recent, similar launch on this boat us..... |
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Nov 14 2009
11:09 AM |
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F/V Robin Lyn
Finalstorm,
If you are seriously considering building a DE boat please do yourself a favor and consider Farrin´s Boatshop. http://www.farrinsboatshop.com/ They are only a couple of miles from..... |
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Nov 14 2009
01:36 PM |
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Ski in NC
I second the notion of keeping the weight out of the boat. The qsb is the heaviest engine I would consider for a 33 to cruise at 23kts, unless it is a big, beamy, already heavy 33. A qsb can be in l..... |
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Nov 14 2009
03:02 PM |
#13 |
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Tony Athens
Final Storm,
The QSB has been so successful since it´s launch about 5 years ago that it just about rules the roost in this market size. The engine has ZERO issues, is simple to maintain with very i..... |
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Nov 14 2009
04:50 PM |
#14 |
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Tomas Kempe
One of the problems shopping for a new Downeaster is that you rarely can try one out - I was able to do that in Canada and that what I choose. It is often a complicated coordination effort to get sche..... |
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Nov 14 2009
08:16 PM |
#15 |
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Bill D l
OK, you guys have me all fired up.
Who wants to buy my "like new" 31 Blackfin Combi????
I´m going to call Ken Flowers Monday, have get me in line for the 33 and a QSB 480!!!!!!!!
LOL..... |
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Nov 14 2009
09:31 PM |
#16 |
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Tk
Here´s a little 36´ to give you some speed weight perspective. 12.5k lb and 28knot cruise w/425hp. Pretty impressive!
http://www.judgeyachts.com/36Chesapeake/36Chesapeakeyacht_photos.html |
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Nov 15 2009
06:01 PM |
#17 |
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Tomas Kempe
Only to clarify the difference between a Bay boat and a Downeaster. The Bay boat are great for the Bay, they are without exception hard chine boats that is great for the chop, they often lack keel or ..... |
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General Diesel: General -
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33 BlackFin |
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2
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Sat Nov 14 09 4:37 PM |
Jun 15 2009
11:47 AM |
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Randy
I am looking at sevferal 33/32 Blackfins. None of which have the same power configuations. Any thoughts/reservations on a particular set up? |
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2 Responses....
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Nov 14 2009
03:07 PM |
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Svendsenjoel
The Cat 3208 was a common engine in the 33, and it worked great, especially at 375HP. It is hard to fit at 3208 in a 32, so the original boats had a variety of engines, typically at around 300HP, whi..... |
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Nov 14 2009
04:37 PM |
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Bill D l
6BTA 370s in a 32 BF, sweet, very sweet.
I have a pr. in my 31 Combi |
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General Diesel: General -
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Need Coolant temp switch for temp alarm |
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3
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Sat Nov 14 09 4:01 PM |
Nov 14 2009
02:59 AM |
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Pthein
I have been looking for a 3/8 thread 210 deg coolant temp switch - could even tolerate a 200 degree switch, but the issue is a 200 degree switch has a tolerance of +/- 12 degrees which is a 188 - 212 ..... |
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3 Responses....
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Nov 14 2009
03:14 AM |
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Got Diesel
- or + 12 is good most I can find and sell is 190-210, best to add a dry temp switch. @ 200 or so. Tim |
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Nov 14 2009
02:39 PM |
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Tony Athens
We are just now releasing these units.. They come pre-set and are adjustable (fine tuning) besides. N.O. & N.C., 1/4", 3/8" and 1/2" NPT----Very high quality.
Tony |
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Nov 14 2009
04:01 PM |
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Got Diesel
Great product Tony, nothing else comes near it. |
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General Diesel: General -
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3208 HP identification??? |
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10
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Fri Nov 13 09 12:34 AM |
Oct 27 2009
06:01 PM |
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Raymond
The 3208 has at least 15 different HP variation, depending upon NA, T or TA configuration. There is a boat I am considering that has the 3208 and the broker says either a 330 or 350HP. Since there are..... |
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General Diesel: General -
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Question on dealing with a dealer |
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5
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Thu Nov 12 09 9:07 PM |
Nov 9 2009
11:09 PM |
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Sbreeze
Anyone have any suggestions on how to get a dealer to make right on their deal? I am having a very difficult time with one of the regular sellers on this forum and I do not know the appropriate line ..... |
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General Diesel: General -
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Optimum Cruise |
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8
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Thu Nov 12 09 7:52 PM |
Oct 19 2009
10:24 PM |
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Retirerich@verizon.net
I have read or heard the following; 1) Cruise at 400 RPM off Pins, or 85% of max 2) Fastest cruise should be at the RPM point where engine has maximum torque 3)Cruise at 75% load. So, when doing some ..... |
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General Diesel: General -
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Need Help With Training Path And Requirements For Career In Diesel Engineering, Exp. Large Scale App |
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0
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Thu Nov 12 09 1:28 AM |
Nov 12 2009
01:28 AM |
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Dieselengineer74
prior military, looking to get back into trade. Not interested in pleasure craft, more heavy commercial applications. Career minded, experience, and general info appreciated. |
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NO Responses....
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General Diesel: General -
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Low power mode |
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0
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Mon Nov 9 09 8:27 PM |
Nov 9 2009
08:27 PM |
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[DELETED BY AUTHOR]
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NO Responses....
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General Diesel: General -
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31´ Blackfin combi shaft spacing |
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0
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Mon Nov 9 09 1:23 PM |
Nov 9 2009
01:23 PM |
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1320racing
Question for a 31´ Combi, 1995 model I am purchasing.
We will be trailering it with an oversized permit from Tampa to Morehead City. Now in the process of pre-setting the height and spacing of my bu..... |
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NO Responses....
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