Six Pack

[RoBe]

Traveling through the Six Pack yesterday afternoon heading toward the Bridge had a prop hit inside the second set of markers. Initially thought it might have been a log, but based on damage it was a rock. We were well inside the second red marker slightly to the right of center. Bizer, Navionics, Depth gauge all show safe water levels. Not so. Be careful and watch your gauge in the Six Pack, it was an expensive ride

[ishoot308]

Traveling through the Six Pack yesterday afternoon heading toward the Bridge had a prop hit inside the second set of markers. Initially thought it might have been a log, but based on damage it was a rock. We were well inside the second red marker slightly to the right of center. Bizer, Navionics, Depth gauge all show safe water levels. Not so. Be careful and watch your gauge in the Six Pack, it was an expensive ride

One of the markers could have moved…thanks for the heads up! It might be a good idea to inform Marine Patrol…

Dan

[camp guy]

I would like to think Marine Patrol looks at this site, considering that during the summer there are a great many posts relating directly to boating on Lake Winnipesaukee. I wouldn't expect them to be Moderators, nor frequent contributors, but an occasional check during the day might be helpful.
Just a thought.

[RoBe]

I have notified Marine Patrol. Save a prop today!

[thinkxingu]

One of the markers could have moved…thanks for the heads up! It might be a good idea to inform Marine Patrol…

DanThe OP said his chart, GPS, and depth gauge all showed safe, so we might just be talking about the standard error of GPS calculation?

What is that these days, 6-10'?

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[DEJ]

To the OP. Were you fully on plane or semi plowing through the area? Not knowing what type of boat you have, that could be the reason you hit a rock.

[RoBe]

28’ I/O with 3 passengers @ 15 mph so I had a deeper draft going…for sure

[tummyman]

Can you tell me what Navionics lake software you are using ?? Thanks...

[tummyman]

Or was that picture froma Bizer chart? If Bizer, what model GPS device
are you using? Thanks

[Kamper]

I cannot tell a lie, Officer Obie.

I put that rock there!

[RoBe]

That’s from the Navionics app on my phone.

With water levels down, that area is more shallow than I’d expect. As soon as I made impact, I checked my depth gauge and it read 6.2’

Such a bummer. No matter how much experience, there is always something to learn on the lake

[Descant]

With an I/O, I curious about the damage. Usually, if there is prop damage, I'd expect some damage to the lower unit too, which can be really expensive. On an inboard, I could more easily understand damage to just the prop. I look forward to learning more about this.

[The Real BigGuy]

I thought that Bizer posted several years ago about a rock in that area that only became a hazard at lower water levels.


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[Woody38]

Isn't a 6 pack 3 deuces atop a 409.

______________________________

I am a retired workaholic and continuing aquaholic

[Descant]

Sounds familiar. I never understood three carbs on an 8 cylinder engine. Shouldn't it have been four carbs?

[tis]

I thought that Bizer posted several years ago about a rock in that area that only became a hazard at lower water levels.


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I believe that. That is the only place in the lake we ever hit a rock and it was inside the buoy and in the fall.

[Woody38]

Not 4 carbs. Difficult to place 4 carbs on the intake manifold. That would be 8, not 6. You can check out 6 packs on some classic cars, mainly Chevy's or Dodge and Plymouth. Then there was the ram induction with 2 quads.
Nice to run 3 2-barrels running all together running all the time.

____________________________

I am a retired workaholic and continuing aquaholic

[8gv]

Where is the "six pack" located? (Asking for my prop)

[thinkxingu]

Where is the "six pack" located? (Asking for my prop)Here you go, friend!

https://uploads.tapatalk-cdn.com/20240806/474d80f2084455c562f87d8e54e23b0d.jpg

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[8gv]

My props thank you!

Looking at the chart on Navionics I see nothing to hit there.

Is my chart wrong?

Are the markers misplaced?

Was it an unseen U-boat that was hit?

[DEJ]

I think this is the cause. The OP posted the below message. Don't forget the prop/lower unit is about 18 to 24 inches below where transducers are typically located on the transom for depth readings.

28’ I/O with 3 passengers @ 15 mph so I had a deeper draft going…for sure

[8gv]

So how deep would the prop be in that circumstance?

Granted, I have not been there to run a depth sounder but the chart I am looking at shows 8'.

8' becomes 7' if the water is low.

The boat might draw 3'-4'.

Another 2' for the drive gets it to 5' or 6'.

Plow the boat and you get maybe 7'?

[DEJ]

Go check the area out yourself when you get a chance. Some of those rocks at least to me seem allot closer to the surface that the chart says especially this time of year and later.

[8gv]

I shall do so if you lend me a prop set... :D

[Bizer]

... We were well inside the second red marker slightly to the right of center. Bizer, Navionics, Depth gauge all show safe water levels. ...

Not entirely correct. Bizer does show the southern half of the 6-pack in blue which indicates that much of that area is six feet or less. Back in 2010, Bizer did find one four-foot rock inside the 6-pack between the two red buoys. There is a "4" on Bizer's chart. When going northwest (with Long Island on your left), I tend to stay near the middle of the channel when the lake is low.

I shall be looking into this area during Bizer's annual survey of the lake in September.

I shall withhold comments about the accuracy of Navionics' depths.

[8gv]

Can I get Bizer to run on my Garmin ECHOMAP HD2 53CV?

I am finding markers in the water that are not on my Navionics loaded Garmin screen.

[tummyman]

I HATE my Navionics / Garmin Lake Vu software and long to be able to get BIZER back. Grmin does a terrible job with marker identification...so small that I can hardly see them. Terrible software for navigation. BIZER, we need you !!!!!!!

[RoBe]

My props thank you!

Looking at the chart on Navionics I see nothing to hit there.

Is my chart wrong?

Are the markers misplaced?

Was it an unseen U-boat that was hit?

There is a rock there, no doubt, based on my prop damage. I was heading toward the Bridge, there were two boats approaching, so I was to the right of the channel, well inside the red markers. I use Navionics on my chart which shows 8-9 ft. Just after the hit, I checked my depth finder, it read 6.5. Yes water levels are below average for this time of year. IÂ’ve been through there dozens of times over many years on the lake, completely caught by surprise. My bad, I guess, but this area needs markers adjusted IMO. Just be aware, it is a hazardous area inside those channel markers

[RoBe]

Not entirely correct. Bizer does show the southern half of the 6-pack in blue which indicates that much of that area is six feet or less. Back in 2010, Bizer did find one four-foot rock inside the 6-pack between the two red buoys. There is a "4" on Bizer's chart. When going northwest (with Long Island on your right), I tend to stay near the middle of the channel when the lake is low.

I shall be looking into this area during Bizer's annual survey of the lake in September.

I shall withhold comments about the accuracy of Navionics' depths.

I’m ready to switch to Bizer. Is a microSD data card available for a Lorrance plotter?
Thanks for all your great work charting the Lake. I’ve always had a Bizer paper map on board.

[MeredithMan]

There is a rock there, no doubt, based on my prop damage. I was heading toward the Bridge, there were two boats approaching, so I was to the right of the channel, well inside the red markers. I use Navionics on my chart which shows 8-9 ft. Just after the hit, I checked my depth finder, it read 6.5. Yes water levels are below average for this time of year. IÂ’ve been through there dozens of times over many years on the lake, completely caught by surprise. My bad, I guess, but this area needs markers adjusted IMO. Just be aware, it is a hazardous area inside those channel markers

I don't go over that way at all, but if it is that bad inside the channel, I guess outside of it is much worse, (not navigable?)

[The Real BigGuy]

So they installed markers!


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[Phantom]

Just curious if anyone else has yet to find/ spot this rock ??

I have to be honest, since the original posting I have been reluctant to go through the six pack - an area that in the past I would use frequently.

[searay]

If you are headed towards the Long Island bridge entering the six pack markers (red on your right) there is a very large rock slightly in between the first and second red marker. There are a few scrape marks on the rock. Stay in middle of channel. Don’t get pushed to that side.

[tis]

If you are headed towards the Long Island bridge entering the six pack markers (red on your right) there is a very large rock slightly in between the first and second red marker. There are a few scrape marks on the rock. Stay in middle of channel. Don’t get pushed to that side.

One of those marks is ours' from many years ago-the only time we ever hit a rock in the lake. Who knew? You think if you are inside the buoys you are ok.

[winni83]

We had company up for the weekend. One of our usual routes is to go through the Six Pack, under the Long Island Bridge, then around Long Island, etc. Based on these posts about the rock I was exceedingly careful going through the Six Pack, especially along the first and second red markers, keeping well into the center of the channel. Happy to report no hits from a rock and while I did not go looking for it, I did not see it. However at one point my depth gauge read 4.5 feet.

[Excalibur]

If you are headed towards the Long Island bridge entering the six pack markers (red on your right) there is a very large rock slightly in between the first and second red marker. There are a few scrape marks on the rock. Stay in middle of channel. Don’t get pushed to that side.

I agree, I was going through on the jet ski slowly and noticed the yellowish color of a boulder or a (motel) , not much more than four feet under. If your on plane, no worries, but if your drafting deep it is definitely something on the right side you can bump this time of year.

[RoBe]

I agree, I was going through on the jet ski slowly and noticed the yellowish color of a boulder or a (motel) , not much more than four feet under. If your on plane, no worries, but if your drafting deep it is definitely something on the right side you can bump this time of year.

Ex, SeaRay,
Thanks for posting this and confirming that hazardous area. It was Aug 2 when I hit that spot. So from then on, I stay way left of those first two red markers, on plane, near the center of the channel. It creates a challenge for oncoming vessels for sure.

[Lake Fan]

I kayaked over there with my son this morning. That rock pile is about 6 or 8 feet inside the markers. You can just make out one of the red spars over the stern of his boat.
His paddle is resting on the rock. It's maybe 3 feet under the surface at this lake level.

[rick35]

That's worth a call to Marine Patrol as that's a real danger. They should reposition the marker.

[Senter Cove Guy]

I would hope that Marine Patrol sees this as a serious problem, relocates 1 or more markers AND reports their response HERE. Thank you Marine Patrol.

[searay]

Thanks for confirming this again. Markers need to be moved. Channel will be a little narrower but still plenty of room.

[Descant]

In the good old days, Public Utilities Commission, before Marine Patrol and before DES, some hazards would be blown up and "debris" removed. Hole in the Wall is an example. Dredging the Weirs Channel to build Weirs Beach and harvesting rocks from the Witches instead of taking boulders from the shorelines, are, IMHO, good things to have been done. DES these days has no interest. I look at Florida where the Feds allow all sorts of dredging to make canals and to raise the land a couple of feet so homes will have canal shorefront and ground levels above high tides.

[tis]

We have a buoy near our house which is not even close to where it used to be when we first were in this location in 1985. I'm not sure what it is marking where it is now. When the MP person was looking at it, I told him this but his reply was it's where it should be according to GPS. So I guess it doesn't matter where the rocks are, as long as it's where it should be according to GPS. What year did they start using GPS, anybody know?

[fatlazyless]

We have a buoy near our house which is not even close to where it used to be when we first were in this location in 1985. ........ What year did they start using GPS, anybody know?

"Overview

The GPS project was started by the U.S. Department of Defense in 1973. The first prototype spacecraft was launched in 1978 and the full constellation of 24 satellites became operational in 1993."

www.wikipedia.org/wiki/Global_Positioning_System

[tis]

"Overview

The GPS project was started by the U.S. Department of Defense in 1973. The first prototype spacecraft was launched in 1978 and the full constellation of 24 satellites became operational in 1993."

www.wikipedia.org/wiki/Global_Positioning_System


Sorry, I meant when did they start using it on this lake?

[KPW]

Sorry, I meant when did they start using it on this lake?

Possibly 1993.

[tis]

Possibly 1993.

That makes sense.

[The Real BigGuy]

I wonder if Marine Patrol needs to do a reset of some of their GPS’s to account for satellite drift? My unit was off by about [emoji[emoji6[emoji640][emoji638]][emoji[emoji6[emoji640][emoji638]][emoji640][emoji[emoji6[emoji640][emoji638]][emoji640][emoji6[emoji640][emoji638]]]][emoji[emoji6[emoji640][emoji638]][emoji639][emoji[emoji6[emoji640][emoji638]][emoji640][emoji639]]]][emoji[emoji[emoji6[emoji640][emoji638]][emoji[emoji6[emoji640][emoji638]][emoji640][emoji[emoji6[emoji640][emoji638]][emoji640][emoji6[emoji640][emoji638]]]][emoji[emoji6[emoji640][emoji638]][emoji639][emoji[emoji6[emoji640][emoji638]][emoji640][emoji640]]]][emoji[emoji6[emoji640][emoji638]][emoji640][emoji[emoji6[emoji640][emoji638]][emoji640][emoji6[emoji640][emoji638]]]][emoji[emoji6[emoji640][emoji638]][emoji[emoji6[emoji640][emoji638]][emoji640][emoji[emoji6[emoji640][emoji638]][emoji640][emoji6[emoji640][emoji638]]]][emoji[emoji6[emoji640][emoji638]][emoji639][emoji[emoji6[emoji640][emoji638]][emoji640][emoji640]]]]] ft last year. When I investigated it turns out that that wasn’t unusual for my unit (Raymarine) and, unfortunately, it wasn’t something that was repairable according to the manufacturer.


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[The Real BigGuy]

Anyone know why “emoji” stuff is showing up in my post? I’m definitely not using emojis


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[tis]

I think you got attacked by the emoji army!!! Wow!

[TomC]

Emoji....!

[The Real BigGuy]

Every time I look at it there are more “emoji”.


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[The Real BigGuy]

“Emoji” seems to only show up when I input numbers. I just updated IOS eighteen and this started.

[Bizer]

Sorry, I meant when did they [Marine Patrol] start using it [GPS] on this lake?
Possibly 1993.
That makes sense.
Highly unlikely. Probably after 2000 when the accuracy went from 100 meters down to about 20 meters.

In 1995, Bizer started making its first map. I went to the Marine Patrol and asked for a list of buoys and their locations. They refused. WHAT??? Well, at the time, the Marine Patrol did not keep a list of buoys. Buoy setting was all done by "seat of the pants". I had to collect my own list of buoys, locations, and hazards myself.

I found a Duncan 2003 map that claimed the Marine Patrol gave Duncan their 2002 list of buoys. I assume that's when the MP started using GPS.

[tis]

Highly unlikely. Probably after 2000 when the accuracy went from 100 meters down to about 20 meters.

In 1995, Bizer started making its first map. I went to the Marine Patrol and asked for a list of buoys and their locations. They refused. WHAT??? Well, at the time, the Marine Patrol did not keep a list of buoys. Buoy setting was all done by "seat of the pants". I had to collect my own list of buoys, locations, and hazards myself.

I found a Duncan 2003 map that claimed the Marine Patrol gave Duncan their 2002 list of buoys. I assume that's when the MP started using GPS.

Well, at least in our area, "seat of the pants" worked better than GPS. They were a lot closer to the rocks than they are now.