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Search: Posts Made By: ndutton
Forum: Catalina 10-17-2021, 12:37 PM
Replies: 1
Views: 73
Posted By ndutton
This is the motor mount that was used throughout...

This is the motor mount that was used throughout the sailboat industry when your boat was built and matches the mounts on my 1977 Catalina 30:...
Forum: Cooling System 10-17-2021, 12:33 PM
Replies: 9
Views: 646
Posted By ndutton
Who mentioned that? There is a fuel tank vent...

Who mentioned that? There is a fuel tank vent but no way is there a fuel overflow. Besides, there is nothing in the construction of the fuel system that will react with the fuel and turn it green. ...
Forum: Troubleshooting 10-17-2021, 12:24 PM
Replies: 27
Views: 733
Posted By ndutton
Maybe I missed something but reading through this...

Maybe I missed something but reading through this thread the only issue that's been found and resolved so far is fuel pressure. Coil input voltage is still suspect as is carburetor integrity, spark...
Forum: Troubleshooting 10-07-2021, 07:44 PM
Replies: 46
Views: 1,021
Posted By ndutton
With boats and engines our size the number of...

With boats and engines our size the number of blades, 2 or 3, isn't dramatically significant in engine loading. You may find noodling with the prop size calculator found here...
Forum: Troubleshooting 10-07-2021, 07:06 PM
Replies: 46
Views: 1,021
Posted By ndutton
Says who and to what degree? The 12x7 might be a...

Says who and to what degree? The 12x7 might be a little aggressive but it's not terrible, certainly not so big as to be the sole cause of your performance problem. I'd guess there were well more...
Forum: Troubleshooting 10-04-2021, 07:51 PM
Replies: 46
Views: 1,021
Posted By ndutton
To eliminate them as possibilities I'd check the...

To eliminate them as possibilities I'd check the timing and centrifugal advance operation. No way a 12x7 is seriously overpropped. You should get 2000 RPM in forward all day long with a 12x7.
Forum: Electrical 09-29-2021, 07:58 PM
Replies: 9
Views: 503
Posted By ndutton
There are no practical issues with a 100 amp...

There are no practical issues with a 100 amp alternator on an Atomic 4 engine. The charge rate - - - directly correlated to the alternator load placed on the engine - - - is determined by the...
Forum: Electrical 09-29-2021, 08:49 AM
Replies: 10
Views: 783
Posted By ndutton
Connecting a true single wire alternator as...

Connecting a true single wire alternator as described may cause the engine to continue running when the key switch is turned off. I had an internal regulator replaced by a reputable shop and without...
Forum: Troubleshooting 09-26-2021, 08:52 PM
Replies: 10
Views: 1,009
Posted By ndutton
I'll post when it arrives. Thanks

I'll post when it arrives. Thanks
Forum: Electrical 09-21-2021, 08:48 PM
Replies: 10
Views: 783
Posted By ndutton
I have a 105A Delco 10Si single wire alternator...

I have a 105A Delco 10Si single wire alternator and have had it apart replacing the regulator (no reg failure, just taming down the output voltage) and adding an AC tap for the tachometer. There is...
Forum: Troubleshooting 09-19-2021, 12:13 PM
Replies: 38
Views: 3,309
Posted By ndutton
Connecting the oil leak with low oil pressure...

Connecting the oil leak with low oil pressure brings the severity of the leak into play. If the oil level becomes dangerously low I can see where the oil pressure would be affected but if the leak...
Forum: General Interest 09-07-2021, 01:19 AM
Replies: 5
Views: 678
Posted By ndutton
Interesting. I wonder how the marina owner...

Interesting. I wonder how the marina owner reconciles this policy with the very common propane cooking fuel used on boats. It is comparable to gasoline with fumes that are heavier than air which...
Forum: Electrical 09-06-2021, 08:11 PM
Replies: 2
Views: 503
Posted By ndutton
I'm thinking you have a bad current path from...

I'm thinking you have a bad current path from that one particular battery. It could be anything from the battery post to the starter solenoid, every cable, terminal, connection on either the...
Forum: Ericson 09-01-2021, 08:08 AM
Replies: 21
Views: 1,504
Posted By ndutton
I made them. There are ready made wire cover...

I made them. There are ready made wire cover systems, i.e. Wiremold available from Home Depot and Lowe's but for my taste they don't blend into the original design well enough. That's my personal...
Forum: Ericson 09-01-2021, 12:17 AM
Replies: 21
Views: 1,504
Posted By ndutton
Teak wire cover for mast wiring

Teak wire cover for mast wiring
Forum: Ericson 09-01-2021, 12:14 AM
Replies: 21
Views: 1,504
Posted By ndutton
Custom fiberglass wire cover for cabin lighting

Custom fiberglass wire cover for cabin lighting
Forum: Ericson 08-31-2021, 10:47 PM
Replies: 21
Views: 1,504
Posted By ndutton
Complete replacement of the electrical system can...

Complete replacement of the electrical system can be one of the most rewarding projects you'll do on the boat. A few thoughts:

Wiring sandwiched between hull/deck and their respective liners is...
Forum: Electrical 08-28-2021, 11:21 PM
Replies: 9
Views: 684
Posted By ndutton
What determines the load on the engine, pulleys...

What determines the load on the engine, pulleys and belt from alternator load is the battery State of Charge (SOC), not the size of the alternator alone. A 35A alternator delivering 35 amps will...
Forum: Troubleshooting 08-24-2021, 06:01 PM
Replies: 10
Views: 1,009
Posted By ndutton
Would you entertain sending it to me for bench...

Would you entertain sending it to me for bench testing?
Forum: Electrical 08-21-2021, 10:38 PM
Replies: 25
Views: 61,588
Posted By ndutton
It's a carry over from when the forum changed...

It's a carry over from when the forum changed servers. All you need to do is add 'forum' after 'moyermarine' in the address bar of the link (using the first link in your post as an example) thusly:...
Forum: Electrical 08-20-2021, 10:59 PM
Replies: 9
Views: 684
Posted By ndutton
As far as I know here is nothing special about...

As far as I know here is nothing special about the curved adjustment arm included with the tensioner other than it's clean and smooth allowing the alternator to move smoothly on the tensioner. A...
Forum: Electrical 08-20-2021, 07:38 AM
Replies: 69
Views: 3,421
Posted By ndutton
For comparison here is a table of engine...

For comparison here is a table of engine temperatures taken with an IR gun during testing of the new MMI thermostat, raw water cooled late model engine.
Forum: Fuel System 08-19-2021, 08:42 PM
Replies: 5
Views: 593
Posted By ndutton
Point of technical accuracy: rotating the...

Point of technical accuracy: rotating the distributor body counter clockwise actually advances the timing.
Forum: Electrical 08-18-2021, 08:56 PM
Replies: 69
Views: 3,421
Posted By ndutton
The single wire self excite alternators need a...

The single wire self excite alternators need a bump in RPM to start charging, something like 1000RPM.
Forum: General Interest 08-17-2021, 09:16 PM
Replies: 15
Views: 1,057
Posted By ndutton
[off topic] I didn't mean to leave the...

[off topic]
I didn't mean to leave the impression I've experienced a theft problem but neither do I leave easy bait out on the deck either. I've never suffered a theft loss, the closest I came was...
Showing results 1 to 25 of 500

 
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