It has taken me a couple months to finally get around to this report because I wanted to clean and then include pics of the unidentified rudder/tiller assembly I found at 89' in Dublin Lake, Dublin, NH, back in September. Cleaning the rudder was a job well worth procrastinating over.... 
Hopefully, someone will see the pics and be able to identify it, so I can SELL it! Please see below.
Dive Report for Dublin Lake dive September 19, 2009
Easy to get to via major highways, less than two hours northwest of Boston, scenic Dublin Lake (or Pond) lies right next to Rt. 101 in Dublin, NH, in the shadow of Mount Monadnock. This dive may have some appeal to divers wanting easy access to a deeper freshwater shore dive in clean, clear water.
Link to NH Lake Depth Maps webpage:
http://www.wildlife.state.nh.us/Fishing/bathy_maps.htm
Dublin Pond Depth Chart:
http://www.wildlife.state.nh.us/Fishing/bathy_maps/dublin_dublin.pdf
Dublin Lake (Pond) is a 240-acre body of water about 0.8 miles long and 0.6 miles at its widest point. Maximum depth is 110 feet. It is mostly spring-fed. It has very little plant life and only a few fish, including small-mouth bass, brook trout, minnows and smelt.
There are three or four good access points along the northeastern shore with easy parking on the road shoulder. The water’s edge is less than 30’ from the road.
In this area of the lake, sandy shallows 10-15’ deep extend out about 75' from shore. Then the bottom slopes down more steeply to depths of about 60’, at perhaps a 1:3 ratio. In some spots, this slope is occasionally sprinkled with glacial boulder fields before giving way to a featureless silt-jello bottom barely sloping at about 1:10 until reaching 90-100' depth.
Lat. and Long. Coordinates for this particular entry (B on the maps) are:
42°54'24.11"N
72° 4'35.09"W
That day in September had bright sun and clear skies, air temps of 65 degrees and moderate wind from the west.
ScubaBoarder, trappist, his friend, J, and I were looking for a deeper dive so they could tune up prior to diving the U853. Unfortunately, trappist had to cancel, so J and I had to fend for ourselves.
J and I got into the water with bright noontime sun lighting things up nicely. A light chop pulled slightly on the dive flags/floats perpendicular to our heading. In the sandy shallows, water temp was 62F, typical of early fall. Vis was about 15 to 20’. I took a heading for the relatively small sliver of 100’ depths that I'd seen on sonar when I’ve fished this lake.
We soon reached the edge of the steeper slope and began to descend at a faster rate. I barely felt the sharp thermocline through my heavy drysuit insulation. The temp at the first thermocline was probably 55F at about 30’ and it steadily dropped to 40F by the time we got to 75'. As we passed 80’, the bottom was really flattening out, and our computers were approaching the non-deco limits, making it less likely we would meet our goal of finding the 100’ depths, since we wanted to have minimal deco obligations, if any.
J’s canister light lit up the silt bottom nicely, but there was little to see. No fish, not even a “dust-up” from a spooked trout. Lateral vis was probably still 5-10’, perhaps a little more. Shutting my light off demonstrated that ambient light was still adequate to see objects close by, but too dim for me to actually read my gauges.
I altered course slightly to follow what appeared to be a slightly greater downward slope, but couldn't go far because J’s more conservative computer was about to give him some deco. As we were about to turn the dive at 89' depth, I saw just up ahead the easily recognized shape of a sailboat rudder/tiller assembly lying flat on the silt a few feet ahead. Carrying it back wasn’t going to be good for my air consumption, but I LOVE salvage! Grabbed it! (I've sold 3 of these in the past to the local sailboat club who lost them years before!)
Since we had taken a slightly angled heading away from shore going out, I shortened our return to the shallows by taking a more direct heading to the slope’s top edge. We reached it fairly quickly, then did a few minutes of swimming safety stop along the 20' depths to clear J's computer (mine had cleared as I reached the top of the slope). We swam about 150’ until the distance felt “about right”, hoping to be just off shore from the entry point. It’s at those times when you wonder if you’ll look like a genius or a fool…. Nice that it worked out this time.
Total dive time was 60 minutes. J had a dryglove leak, so he punted on the second dive. I would've dove a second, but just got lazy. I get lazy more often than I used to....
Pics follow. If anyone can identify the sailboat make and model, I'd greatly appreciate it!
Dave C
Satellite image
J's dive-mobile! Convenient parking right on Rt. 101.
The water's edge is about 30' from the road! Note the "Anglers" sign at this entry. Three other entry spots are within 100 yards of this spot. Just find a convenient pull-off.
Nice, easy entry in a very scenic setting. Mount Monadnock in the background.
J waiting for his buddy. The lake is about 500 yards across at this point. The 100' depths are probably 250 yards out.
J readies his reel. Bottom is sandy in the shallows (about 20' deep here).
D carrying the rudder/tiller assembly found at 89'. (This shot is back in the shallows, 20' or so.)
The unidentified rudder/tiller.
The unidentified rudder/tiller assembly after cleaning. Anyone able to identify what make and model sailboat it belongs to? The rudder is about 35x10 inches with pintles about 6 inches apart. It does not look like the rudders used by the local sailing club boats (Vanguard 420's).
Hopefully, someone will see the pics and be able to identify it, so I can SELL it! Please see below.
Dive Report for Dublin Lake dive September 19, 2009
Easy to get to via major highways, less than two hours northwest of Boston, scenic Dublin Lake (or Pond) lies right next to Rt. 101 in Dublin, NH, in the shadow of Mount Monadnock. This dive may have some appeal to divers wanting easy access to a deeper freshwater shore dive in clean, clear water.
Link to NH Lake Depth Maps webpage:
http://www.wildlife.state.nh.us/Fishing/bathy_maps.htm
Dublin Pond Depth Chart:
http://www.wildlife.state.nh.us/Fishing/bathy_maps/dublin_dublin.pdf
Dublin Lake (Pond) is a 240-acre body of water about 0.8 miles long and 0.6 miles at its widest point. Maximum depth is 110 feet. It is mostly spring-fed. It has very little plant life and only a few fish, including small-mouth bass, brook trout, minnows and smelt.
There are three or four good access points along the northeastern shore with easy parking on the road shoulder. The water’s edge is less than 30’ from the road.
In this area of the lake, sandy shallows 10-15’ deep extend out about 75' from shore. Then the bottom slopes down more steeply to depths of about 60’, at perhaps a 1:3 ratio. In some spots, this slope is occasionally sprinkled with glacial boulder fields before giving way to a featureless silt-jello bottom barely sloping at about 1:10 until reaching 90-100' depth.
Lat. and Long. Coordinates for this particular entry (B on the maps) are:
42°54'24.11"N
72° 4'35.09"W
That day in September had bright sun and clear skies, air temps of 65 degrees and moderate wind from the west.
ScubaBoarder, trappist, his friend, J, and I were looking for a deeper dive so they could tune up prior to diving the U853. Unfortunately, trappist had to cancel, so J and I had to fend for ourselves.
J and I got into the water with bright noontime sun lighting things up nicely. A light chop pulled slightly on the dive flags/floats perpendicular to our heading. In the sandy shallows, water temp was 62F, typical of early fall. Vis was about 15 to 20’. I took a heading for the relatively small sliver of 100’ depths that I'd seen on sonar when I’ve fished this lake.
We soon reached the edge of the steeper slope and began to descend at a faster rate. I barely felt the sharp thermocline through my heavy drysuit insulation. The temp at the first thermocline was probably 55F at about 30’ and it steadily dropped to 40F by the time we got to 75'. As we passed 80’, the bottom was really flattening out, and our computers were approaching the non-deco limits, making it less likely we would meet our goal of finding the 100’ depths, since we wanted to have minimal deco obligations, if any.
J’s canister light lit up the silt bottom nicely, but there was little to see. No fish, not even a “dust-up” from a spooked trout. Lateral vis was probably still 5-10’, perhaps a little more. Shutting my light off demonstrated that ambient light was still adequate to see objects close by, but too dim for me to actually read my gauges.
I altered course slightly to follow what appeared to be a slightly greater downward slope, but couldn't go far because J’s more conservative computer was about to give him some deco. As we were about to turn the dive at 89' depth, I saw just up ahead the easily recognized shape of a sailboat rudder/tiller assembly lying flat on the silt a few feet ahead. Carrying it back wasn’t going to be good for my air consumption, but I LOVE salvage! Grabbed it! (I've sold 3 of these in the past to the local sailboat club who lost them years before!)
Since we had taken a slightly angled heading away from shore going out, I shortened our return to the shallows by taking a more direct heading to the slope’s top edge. We reached it fairly quickly, then did a few minutes of swimming safety stop along the 20' depths to clear J's computer (mine had cleared as I reached the top of the slope). We swam about 150’ until the distance felt “about right”, hoping to be just off shore from the entry point. It’s at those times when you wonder if you’ll look like a genius or a fool…. Nice that it worked out this time.
Total dive time was 60 minutes. J had a dryglove leak, so he punted on the second dive. I would've dove a second, but just got lazy. I get lazy more often than I used to....
Pics follow. If anyone can identify the sailboat make and model, I'd greatly appreciate it!
Dave C
Satellite image
J's dive-mobile! Convenient parking right on Rt. 101.
The water's edge is about 30' from the road! Note the "Anglers" sign at this entry. Three other entry spots are within 100 yards of this spot. Just find a convenient pull-off.
Nice, easy entry in a very scenic setting. Mount Monadnock in the background.
J waiting for his buddy. The lake is about 500 yards across at this point. The 100' depths are probably 250 yards out.
J readies his reel. Bottom is sandy in the shallows (about 20' deep here).
D carrying the rudder/tiller assembly found at 89'. (This shot is back in the shallows, 20' or so.)
The unidentified rudder/tiller.
The unidentified rudder/tiller assembly after cleaning. Anyone able to identify what make and model sailboat it belongs to? The rudder is about 35x10 inches with pintles about 6 inches apart. It does not look like the rudders used by the local sailing club boats (Vanguard 420's).
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