Forum: Drive Train / Propellers
11-18-2022, 10:27 AM
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Replies: 34
Views: 3,795
3 types
In my 45 plus years of operating a sailboat with an inboard engine I have used both dripless and packing styles in 3 ways.
First is the packing style packed with "flax" type seals. These are a PIA...
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Forum: Drive Train / Propellers
11-17-2022, 11:19 PM
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Replies: 34
Views: 3,795
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Forum: Drive Train / Propellers
11-16-2022, 07:02 PM
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Replies: 34
Views: 3,795
NO, do not 'dress' the end of the shaft to fit...
NO, do not 'dress' the end of the shaft to fit the coupling! The coupling is made out of cast iron and will corrode. The shaft is stainless or perhaps bronze - stable materials. The reason the fit...
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Forum: Drive Train / Propellers
11-16-2022, 02:23 PM
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Replies: 34
Views: 3,795
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Forum: Drive Train / Propellers
11-16-2022, 12:59 PM
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Replies: 34
Views: 3,795
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Forum: Drive Train / Propellers
11-09-2022, 05:20 PM
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Replies: 34
Views: 3,795
As Al said, squaring off the facing of the...
As Al said, squaring off the facing of the coupling is very important and I think often overlooked. You'll never be able to align it properly if the face isn't square to the shaft.
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Forum: Drive Train / Propellers
11-08-2022, 07:35 PM
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Replies: 34
Views: 3,795
Not sure why you're replacing all that stuff. ...
Not sure why you're replacing all that stuff. Does it need replacement?
Make sure whoever is doing the shaft has the coupling in hand so they can drill the shaft for the coupling set screws. They...
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Forum: Electrical
04-23-2022, 02:11 PM
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Replies: 27
Views: 4,369
It appears to be pulsing up to ~14.4 V and then...
It appears to be pulsing up to ~14.4 V and then drifting back to ~ 13.1 V. Could this be how it implements Float mode? Normal float voltage is between 13.2 and 13.8, with 13.5 being commonly used. ...
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Forum: Electrical
04-23-2022, 09:40 AM
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Replies: 27
Views: 4,369
Without knowing the resolution of the graph and...
Without knowing the resolution of the graph and sampling intervals I am not really sure I know what is going on. If the battery charger is the source of that I would say it was going nuts or it has...
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Forum: ABYC and USCG Standards
02-25-2022, 08:59 AM
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Replies: 0
Views: 6,278
New Fire Protection Standards
Here.
(https://www.federalregister.gov/documents/2021/10/22/2021-22578/fire-protection-for-recreational-vessels#sectno-reference-175.320)
Bill
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Forum: General Interest
02-21-2022, 08:25 AM
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Replies: 5
Views: 1,123
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Forum: Electrical
12-26-2021, 10:11 AM
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Replies: 27
Views: 4,369
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Forum: General Interest
11-24-2021, 10:40 AM
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Replies: 3
Views: 1,684
Happy Thanksgiving
As we take our seats around the Thanksgiving table this year, it's important to give thanks. For us, that's saying how grateful and thankful we are to have you as loyal Forum Members who give of...
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Forum: Electrical
03-18-2021, 01:06 PM
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Replies: 29
Views: 5,187
It must seem like I derive a perverse pleasure...
It must seem like I derive a perverse pleasure dropping little bombs into folks' projects but when something triggers a memory I figure it's better to raise the issue now rather than read about an...
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Forum: Electrical
03-18-2021, 09:51 AM
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Replies: 29
Views: 5,187
With your improved wiring and reduced voltage...
With your improved wiring and reduced voltage drop the question now emerges, do you have electronic ignition? If yes, it's time to redo your coil input voltage→coil internal resistance→ignition...
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Forum: Electrical
03-18-2021, 09:17 AM
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Replies: 29
Views: 5,187
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Forum: Electrical
03-16-2021, 08:27 AM
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Replies: 29
Views: 5,187
The R terminal has been used by a few forum...
The R terminal has been used by a few forum members for different reasons. As jack said, some use it to give an electric fuel pump a pre-start jolt, I've used it in the past to get a single wire...
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Forum: Testing Protocols
12-04-2020, 07:05 PM
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Replies: 5
Views: 5,267
Diagnosing shifting issues
Having shifting issues? If you don't know whether you have a transmission issue or a problem with the linkage, I recommend the following:
With the engine off, remove the reversing gear cover. As...
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Forum: Cooling System
09-27-2020, 02:17 PM
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Replies: 0
Views: 1,512
Announcement
Ahoy Afourians!
Check out our NEW MMI YouTube video on Rebuilding our MMI 502 Flange Pump and MMI 501 Pedestal Pump. Click Here (https://www.youtube.com/channel/UC8G5eWR1ieTOSSLXZhCBdJg) to view...
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Forum: Announcements
03-20-2020, 09:54 AM
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Replies: 18
Views: 11,221
New YouTube Channel
Click here (https://www.youtube.com/channel/UC8G5eWR1ieTOSSLXZhCBdJg) to visit our new YouTube channel and here (https://www.youtube.com/watch?v=tibtaOAqP9U) to check out the first new tech tip...
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Forum: General Interest
10-30-2019, 09:17 AM
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Replies: 18
Views: 4,224
Unfortunately:
Alberg used dissimilar...
Unfortunately:
Alberg used dissimilar metals so you are metallurgically welded
Heat is not your friend on a fiberglass boat, do not be tempted
Alberg used slotted screws, possibly the worst...
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Forum: Troubleshooting
09-17-2019, 12:11 PM
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Replies: 41
Views: 15,924
I am sure Neil is right.
See attached screen...
I am sure Neil is right.
See attached screen shot. There is black soot coming out from a bad exhaust gasket n on number 4 ex port.
Put in a new exhaust gasket.
Also, understand you now have...
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Forum: Troubleshooting
09-01-2019, 05:33 PM
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Replies: 41
Views: 15,924
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Forum: General Interest
07-03-2019, 08:46 AM
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Replies: 14
Views: 5,456
Please elaborate. If it's running perfectly,...
Please elaborate. If it's running perfectly, what indications suggest it's tired?
This boat or previous boats?
I think the parts availability for the Atomic 4 is vastly superior to any...
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Forum: Troubleshooting
05-12-2019, 11:12 PM
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Replies: 25
Views: 8,228
No worries Shawn. Thanks to the EWDS, two fuel...
No worries Shawn. Thanks to the EWDS, two fuel tanks, an electric fuel pump with an override switch and the recent memory of a broken O ring right before rain it really was a minor inconvenience. ...
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