Bunk setup for C28 on a boat lift?

[jlhowland]

Anyone have any experience with stepped hulls and boat lifts? Trying to fit a C28 to a boat lift. Getting the bunks right has been a challenge. There is a pic in my gallery and looking for advice on the setup. Right now we're getting contact with the aft part of the stepped hull, but the keel no longer rests on the beam. Not sure if that should bother me or not. Anyone got experience with this?

 

[Kevin Lamont]

Anyone have any experience with stepped hulls and boat lifts? Trying to fit a C28 to a boat lift. Getting the bunks right has been a challenge. There is a pic in my gallery and looking for advice on the setup. Right now we're getting contact with the aft part of the stepped hull, but the keel no longer rests on the beam. Not sure if that should bother me or not. Anyone got experience with this?

Hello,

I took a look at your picture and I don't really see a problem with the keel not resting on the cross beam. As long as the boat is level fwd/aft and port/strbd you should be fine. Hope this helps.

Thanks,

 

[Gypsy]

I to have a C28 that I keep on a lift, not that far from you, on the James River. My bunk setup is different than yours. My keel doesn't touch.
I presume you are hooking up to shore power. Have you checked your reverse polarity indicator on your breaker panel? When the boat is on a lift out of the water it is no longer grounded. This often results in a reverse polarity issue. If you have this problem, it's an easy fix. Give me a call (757) 876-8040.

gallery2/main.php?g2_view=core.DownloadItem&g2_itemId=80159&g2_serialNumber=2 gallery2/main.php?g2_view=core.DownloadItem&g2_itemId=80154&g2_serialNumber=3

 

[Someday*]

I to have a C28 that I keep on a lift, not that far from you, on the James River. My bunk setup is different than yours. My keel doesn't touch.
I presume you are hooking up to shore power. Have you checked your reverse polarity indicator on your breaker panel? When the boat is on a lift out of the water it is no longer grounded. This often results in a reverse polarity issue. If you have this problem, it's an easy fix. Give me a call (757) 876-8040.

gallery2/main.php?g2_view=core.DownloadItem&g2_itemId=80159&g2_serialNumber=2 gallery2/main.php?g2_view=core.DownloadItem&g2_itemId=80154&g2_serialNumber=3

Gypsy...I assume the two pieces of wood act as a "guide" for the keel for entering the boat onto the lift?

 

[Gypsy]

I to have a C28 that I keep on a lift, not that far from you, on the James River. My bunk setup is different than yours. My keel doesn't touch.
I presume you are hooking up to shore power. Have you checked your reverse polarity indicator on your breaker panel? When the boat is on a lift out of the water it is no longer grounded. This often results in a reverse polarity issue. If you have this problem, it's an easy fix. Give me a call (757) 876-8040.

gallery2/main.php?g2_view=core.DownloadItem&g2_itemId=80159&g2_serialNumber=2 gallery2/main.php?g2_view=core.DownloadItem&g2_itemId=80154&g2_serialNumber=3

Gypsy...I assume the two pieces of wood act as a "guide" for the keel for entering the boat onto the lift?

The wooden blocks help position the boat for placement on the lift, but they have a more important purpose. If you notice there is a spring in the center of the blocks. Because the boat is not grounded when on the lift, you need to ground the boat. Notice the ss spring between the blocks. The spring is grounded and when the boat is on the lift the keel rests on the spring. On the bottom of the Keel there is a SS steel plate. This plate touches the spring which is grounded to the water which grounds the boat eliminating the reverse polarity problem.

 

[Someday*]

I to have a C28 that I keep on a lift, not that far from you, on the James River. My bunk setup is different than yours. My keel doesn't touch.
I presume you are hooking up to shore power. Have you checked your reverse polarity indicator on your breaker panel? When the boat is on a lift out of the water it is no longer grounded. This often results in a reverse polarity issue. If you have this problem, it's an easy fix. Give me a call (757) 876-8040.

gallery2/main.php?g2_view=core.DownloadItem&g2_itemId=80159&g2_serialNumber=2 gallery2/main.php?g2_view=core.DownloadItem&g2_itemId=80154&g2_serialNumber=3

Gypsy...I assume the two pieces of wood act as a "guide" for the keel for entering the boat onto the lift?

The wooden blocks help position the boat for placement on the lift, but they have a more important purpose. If you notice there is a spring in the center of the blocks. Because the boat is not grounded when on the lift, you need to ground the boat. Notice the ss spring between the blocks. The spring is grounded and when the boat is on the lift the keel rests on the spring. On the bottom of the Keel there is a SS steel plate. This plate touches the spring which is grounded to the water which grounds the boat eliminating the reverse polarity problem.

I wondered what that was. So I need to figure something out for that as I plan on keeping my r29 on a lift?

 

[gwishon]

Our R-29 is on a lift, the keel does not touch anything, no reverse polarity issues. I’m not sure why you would have reverse polarity light if your shorepower supply and connections are wired properly.

 

[Gypsy]

As explained to me by a marine electrician, the distance from your power source (panel box) to your shore power outlet can and often results in a reverse polarity situation. It has to do with a voltage differential that occurs between the neutral and the ground wire when there is a load on the circuit. Checking the neutral and ground at the shore power receptacle without a load will not show the differential. When my boat is in the water and hooked up to shore power there is no reverse polarity indicator light on. However, when you lift the boat out of the water the light comes on. In any event, I grounded the boat to the lift, and grounded the lift with a copper wire to the water. The same issue can occur when the boat is on the hard. If it happens, the remedy is to run a ground wire from a bonded metal on the boat, such as the rudder, to the building ground or grounding rod.

 

[gwishon]

Interesting. I would estimate the distance from my main electrical panel to my dock to be 200-225 ft. I use a 25ft cord from the tower on the dock to the shorepower connection. I wonder what distance would be required for this issue to appear?

In any case, would a reverse polarity condition in this situation really be a cause for concern?

Gordon

 

[Gypsy]

In my opinion "no." I just didn't like seeing the light on.