02-04-2017, 12:02 AM
Hi HB,
I just posted this reply for Bob who is looking at a 3900 IPS Sovran.....
Bob, IPS is great. It takes all the fear out of docking especially in the wind.
There are some things you should look out for on the early IPS Models. Luckily all the shortcomings can be updated.
1. (this is the big one) Have the drive seals been updated to the newest standard? If they haven't the whole drive has to be disassembled to remove the original style seal. Once there updated they can then be easily replaced. Last one I did was $15,000 to bring
2. Have the sea strainers been updated? The original screw on cap style strainers would leak down onto the alternators in the front of the motor. The fix is to relocate/retro a standard sea strainer away from the motor or replace the Volvo strainer with the updated model that uses 4 hand tightened bolts to lock down the sight glass.
3. early motors had a plastic pulley on the front of the engine this needs to be replace with the steel one. Also I'm very sure the idler pulley is supposed to be changed every five years or so and it's not cheap.
4. (big one 2.0) Has the whole cooling system been removed and serviced? If so how long ago? It should be done every 5 years like clockwork. If its been neglected things can get very expensive very quickly. After Coolers are $6500 each and sometimes really hard to find.
5. Make sure to have the drives premiered and bottom painted and propspeed applied to the props. You can loss 3 knots + if you have growth on your props.
6. Have your Volvo dealer quote you the price of your annual service for engines and drives. This should include a haul out.
7. Add the Volvo Line Cutters to the drives in there not on the drive already.
With all this being said I'm a huge fan of IPS and make a good portion of my yearly income selling boats with this system. The cost of ownership is higher but its offset by fuel savings and being able to use your boat as easily as a 13' whaler. People with IPS boats tend to use them much more and never need crew/help with docking.
Just for fun I've included a link to a IPS demo I shot with my drone awhile back. It really shows the system at work.
Best Regards,
Ben
I just posted this reply for Bob who is looking at a 3900 IPS Sovran.....
Bob, IPS is great. It takes all the fear out of docking especially in the wind.
There are some things you should look out for on the early IPS Models. Luckily all the shortcomings can be updated.
1. (this is the big one) Have the drive seals been updated to the newest standard? If they haven't the whole drive has to be disassembled to remove the original style seal. Once there updated they can then be easily replaced. Last one I did was $15,000 to bring
2. Have the sea strainers been updated? The original screw on cap style strainers would leak down onto the alternators in the front of the motor. The fix is to relocate/retro a standard sea strainer away from the motor or replace the Volvo strainer with the updated model that uses 4 hand tightened bolts to lock down the sight glass.
3. early motors had a plastic pulley on the front of the engine this needs to be replace with the steel one. Also I'm very sure the idler pulley is supposed to be changed every five years or so and it's not cheap.
4. (big one 2.0) Has the whole cooling system been removed and serviced? If so how long ago? It should be done every 5 years like clockwork. If its been neglected things can get very expensive very quickly. After Coolers are $6500 each and sometimes really hard to find.
5. Make sure to have the drives premiered and bottom painted and propspeed applied to the props. You can loss 3 knots + if you have growth on your props.
6. Have your Volvo dealer quote you the price of your annual service for engines and drives. This should include a haul out.
7. Add the Volvo Line Cutters to the drives in there not on the drive already.
With all this being said I'm a huge fan of IPS and make a good portion of my yearly income selling boats with this system. The cost of ownership is higher but its offset by fuel savings and being able to use your boat as easily as a 13' whaler. People with IPS boats tend to use them much more and never need crew/help with docking.
Just for fun I've included a link to a IPS demo I shot with my drone awhile back. It really shows the system at work.
Best Regards,
Ben
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