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Posts Made By:
hanleyclifford
Forum:
Drive Train / Propellers
04-08-2024, 05:09 PM
Replies:
15
Indigo Prop
Views:
263
Posted By
hanleyclifford
Getting 6 kts at 1900 rpm is good since that is...
Getting 6 kts at 1900 rpm is good since that is probably the hull speed. At 1900 you are at just about max prop. I think you're fine. Just do a compression test once a year. Sounds like you are in...
Forum:
Announcements
04-02-2024, 10:41 PM
Replies:
8
ATTENTION - ATTENTION - ATTENTION
Views:
428
Posted By
hanleyclifford
Both Moyer Marine and this Forum are essential to...
Both Moyer Marine and this Forum are essential to the continuation of the Atomic 4 as a resource into the future. The loss of either would be a disaster.
Forum:
Cooling System
03-26-2024, 03:28 PM
Replies:
3
Impeller shelf life
Views:
149
Posted By
hanleyclifford
Hi Art. It's hard to beat the "old stock"...
Hi Art. It's hard to beat the "old stock" impeller rap since no one is obligated to state date of manufacture on the item (unlike tires). I bought an impeller in Annapolis once that failed within...
Forum:
Electrical
03-26-2024, 03:14 PM
Replies:
13
Off season electrical re-wire
Views:
4,387
Posted By
hanleyclifford
Regarding your two pictures the following. That...
Regarding your two pictures the following. That terminal block is a lot of unnecessary connections some of which could be introducing resistance. Neil has always advocated keeping connections to a...
Forum:
Electrical
03-26-2024, 02:58 PM
Replies:
13
Off season electrical re-wire
Views:
4,387
Posted By
hanleyclifford
The short answer is yes. But regarding the...
The short answer is yes. But regarding the ammeter, I would think carefully about this. It depends on how you use the boat. If you just knock around locally day sailing in easy range of a tow or...
Forum:
Electrical
03-25-2024, 09:00 PM
Replies:
7
Alternator regulation
Views:
384
Posted By
hanleyclifford
I went looking for an answer too but nobody wants...
I went looking for an answer too but nobody wants to state that it is internally regulated. Most alternators for sale these days are internally regulated and the industry has got most folks...
Forum:
Cooling System
03-24-2024, 11:49 AM
Replies:
5
Galvanic Corrosion
Views:
374
Posted By
hanleyclifford
The MMI pumps are bronze or red brass; I'm not...
The MMI pumps are bronze or red brass; I'm not sure. In any case yellow brass is fine in the pumps. The real issue is problems in the expensive castings (head, block, manifold) that are not easy to...
Forum:
Troubleshooting
03-21-2024, 03:04 PM
Replies:
34
Alternator reading 17 volts
Views:
1,297
Posted By
hanleyclifford
I think you are right. All batt connections...
I think you are right. All batt connections should be inspected including the ground path to the engine.
Forum:
Exhaust System
03-21-2024, 01:34 PM
Replies:
16
Exhaust leak
Views:
3,290
Posted By
hanleyclifford
The flange is rusty because it is the anode in a...
The flange is rusty because it is the anode in a galvanic cell. Notice how perfect the ss cap screws appear. Even the 1/8" plug looks good.
Forum:
Troubleshooting
03-21-2024, 12:28 PM
Replies:
34
Alternator reading 17 volts
Views:
1,297
Posted By
hanleyclifford
What sort of alternator do you have? The old...
What sort of alternator do you have? The old Motorola and Prestolite have "internal" regulators which are actually external appendages. Those regulators can be removed and the field wire fed from an...
Forum:
Troubleshooting
03-21-2024, 11:20 AM
Replies:
34
Alternator reading 17 volts
Views:
1,297
Posted By
hanleyclifford
17 volts is excessive for many things in the...
17 volts is excessive for many things in the system, not just the coil. I would start with a voltage regulator that has a potentiometer so you can adjust the voltage to around 14 volts at alt +. Your...
Forum:
Exhaust System
03-19-2024, 05:09 PM
Replies:
16
Exhaust leak
Views:
3,290
Posted By
hanleyclifford
As matter of course you should never torque an...
As matter of course you should never torque an attachment to an iron casting with a cap screw which strains the threads inside the casting. Always use studs - and always of the same material as the...
Forum:
General Interest
02-28-2024, 03:24 PM
Replies:
16
eliminating the bypass on FWC
Views:
453
Posted By
hanleyclifford
I think Shawn got away with his system design for...
I think Shawn got away with his system design for two important reasons. 1) He did the Thatch Modification which ensured that his manifold was always flush with coolant thus modulating the rate of...
Forum:
General Interest
02-27-2024, 07:56 PM
Replies:
22
Identifying Moyer Marine Rebuild
Views:
767
Posted By
hanleyclifford
There is no reason why a hot water tank should...
There is no reason why a hot water tank should cause an engine to overheat. Quite the opposite the hwt is in effect an exchanger which is actually stealing heat from the engine. I run two bus style...
Forum:
Troubleshooting
02-19-2024, 07:40 PM
Replies:
25
A4 transmission stuck in Forward
Views:
817
Posted By
hanleyclifford
That clevis pin has been damaged probably by...
That clevis pin has been damaged probably by channel locks or a vise grip but it will come out with sufficient application of violence.
Forum:
Ignition System
02-19-2024, 04:33 PM
Replies:
4
Ignition coil and condenser replacement
Views:
302
Posted By
hanleyclifford
It is okay to buy stuff for the A4 at auto parts...
It is okay to buy stuff for the A4 at auto parts stores but don't expect them to know what you need. Inquire at Moyer Marine first.
Forum:
For Sale - Engines and Engine Parts
02-15-2024, 11:00 AM
Replies:
2
Atomic 4 for sale Whitby Ontario Canada
Views:
425
Posted By
hanleyclifford
Definitely a mostly late engine with signs of...
Definitely a mostly late engine with signs of Moyer influence. Not sure when the cast flywheel housing was ended in favor of the larger one with flat steel cover. Note the lack of starter pinion...
Forum:
General Maintenance
02-12-2024, 07:38 PM
Replies:
18
Manifold gasket?
Views:
887
Posted By
hanleyclifford
The studs should be clean above the coarse...
The studs should be clean above the coarse threads (where they have been coated with Permatex #2, or some other puppy poo concoction) , but the fine threads on top should be cleaned and oiled with...
Forum:
Electrical
01-25-2024, 11:46 AM
Replies:
18
Alternator wires
Views:
772
Posted By
hanleyclifford
That is exactly how I make the connection.
That is exactly how I make the connection.
Forum:
Electrical
01-25-2024, 10:33 AM
Replies:
18
Alternator wires
Views:
772
Posted By
hanleyclifford
Has anyone ever tested the resistance thru the...
Has anyone ever tested the resistance thru the engine block? Might the value vary depending on where the connection to batt (-) is made?
Forum:
Electrical
01-25-2024, 12:33 AM
Replies:
18
Alternator wires
Views:
772
Posted By
hanleyclifford
Could it be that black wire is simply on the...
Could it be that black wire is simply on the mounting bracket serving as a ground for the instrument light?
Forum:
Electrical
01-24-2024, 03:20 PM
Replies:
18
Alternator wires
Views:
772
Posted By
hanleyclifford
No. The alternator should have it's dedicated...
No. The alternator should have it's dedicated path to ground in the same size as the alternator output. You can ground to the engine and thence to the batt (-) IF you are confident there is little or...
Forum:
Electrical
01-22-2024, 03:43 PM
Replies:
12
House & Starter Battery Fuse Sizes
Views:
716
Posted By
hanleyclifford
Agreed.The starting function is an electrically...
Agreed.The starting function is an electrically explosive event. The starter should be fed as much amperage and voltage as it wants so I fully concur with the #2 cable. Just make sure that the path...
Forum:
Electrical
01-21-2024, 09:51 PM
Replies:
12
House & Starter Battery Fuse Sizes
Views:
716
Posted By
hanleyclifford
This is what I use. ...
This is what I use. https://www.bluesea.com/products/7189/285-Series_Circuit_Breaker_-_Surface_Mount_150A The biggest problem is ganging up all the (-) cables on the one terminal. You need an extra...
Forum:
Electrical
01-21-2024, 06:33 PM
Replies:
12
House & Starter Battery Fuse Sizes
Views:
716
Posted By
hanleyclifford
150amps. Breaker is better than fuse.
150amps. Breaker is better than fuse.
Showing results 1 to 25 of 224
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