To Cut the Mast Down or Not

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LaBomba

Guru
Joined
Nov 18, 2012
Messages
1,240
Location
Canada
Vessel Name
Looking Glass
Vessel Make
Carver 370 Voyager
Newly registered but have read the site for quite some time and enjoy the discussions. Finally gave up on gas guzzlers and bought the Great Lakes 33 for retirement (soon). To get her home to Lake Simcoe I have no choice but to go through the Trent Severn waterway either from the east or west and will have to make the same trek any time we want to get back into the Great Lakes. Problem is my mast is 22.5 ft high and there are many fixed bridges at 22 ft. and the lowest is approx. 20 ft. Do I cut the mast or rig up some better way of lowering it. It is currently a 2 man job and a pain. Any suggestions?

Allan
 
It appears that your mast only supports your radar. Is that correct? Send some photos along on your next post. Oh, welcome aboard!

Ray Muldrew
 
Our Aluminium mast has to go down to fit in the boathouse, not hard to do single handed. When we got the boat the anchor touched the front and the mast tip poker the curtain. Cut 18" off, replaced the welded top cap with starboard. Before I cut I did it on a photo on the computer to see how it would look. Now I can walk in front of the anchor in the house and the mast is even with the dinghy on the stern with 8" clearance on the curtain. I think it looks better as well.:thumb:

What uses does your mast have beside radar mount?
 

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Allan, I did the cut job almost identical to the one by MIke. It was a one man job to raise and lower. We did the Great Circle and transited the Trent and Lake Simcoe, very nice cruising.
CCC
 
Here is a little playing around with your avatar:)
 

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I have to clear a 17.5 ft bridge on my canal to get to the dock at my house. My mast on the little DeFever was 22 ft, so I cut it just above the flybridge sole.

I built a removable support to hold the boom up so that it would not need to be supported by the masthead block and tackle.

I welded a hinge to the upper and lower sections of the mast.

I have watched 2 of my friends who own DeFever 41's raise and lower their mast. It’s a job, and not one done on the spur of the moment. That’s not for me I thought.

I designed a system using a gas spring/hydraulic piston between the mast and boom. It is now so easy to raise and lower it that my wife just goes out, removes a bolt, pushes the mast down and were done. After we clear a bridge she just gives the mast a slight shove and the mast slowly raises itself. The key is figuring out what the weight rating you need for the gas spring. My mast launches my Avon rib so I needed to keep the strength.

You can see it here

Mike


Previously posting as Mike since 2007. Took a long break to go cruising.
 
It appears that your mast only supports your radar. Is that correct? Send some photos along on your next post. Oh, welcome aboard!

Ray Muldrew
Thanks everyone for your replies, The mast is used for more than the radar, it has the anchor lights, vhf antenna, radio antenna, used for the stay sail (which I will likely never use) and the jib supported by the mast can be used for hoisting things aboard. I think the stay sail could be modified to still function with just a little less square footage and the hoisting ability may be reduced due to the new support angle but lowering everything else should not be an issue. There are so many bridges I am leaning toward cutting about 3 ft. off as the radio, radar etc. would not be functional if left down during the 5 to 7 days locking thru and to put it up and down between bridges doesn't sound like much fun. The mast is currently 14 ft high from the upper deck mount and the radar is heavy.
 
Cut enough to be usefull even with highest water.

A hassle , once , after that always a pleasure.

Cruising is about cruising , not how tedious you can make cruising.
 
I would cut the mast such that the radar is just above the bimini top. That's all you need for height.
Then if it's too high, you can do what I do to cruise the Trent and Erie, see below.
This gets me under 19 feet and is easy and quick to do with a simple cheap block and tackle.
 

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Sceptic: I like your arrangement. Nicely thought out to keep the original look and operation characteristics.
 
I would cut it.
It looks a little odd being as tall as it is without need for the height.

Sorry don't mean to offend just an observation.

Very nice looking boat by the way and Welcome aboard.

SD
 
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Unfortunately SD mine is hinged to lower to the bow for some reason and it hits the bimini if you don't put it down. I think I just need to cut enough so I don't have to tilt it except for winter storage. Thanks
 
People I know with a GB 52 fitted a hydraulic mast raise/lower system to easily pass under the road bridge into Middle Harbour. (They also use gold leaf for the letters on their teak name boards).
 
Sounds real nice BruceK but my boat is pretty basic right now and I kinda want to keep it that way not to mention the cost. More toys, more trouble is my motto and I only dream of gold leaf. Gotta love it.
 
Holy crap, another Great Lakes 33!!!! They only built like 20 of them back in the 80'.

The mast on my boat, hull #7, was trimmed to 10' before we bought her, probably so one of the previous owners could get her into a boat house without needing to put down the mast. I would suggest getting it cut down and then re-rigging the stays/shrouds to support the new dimension. My mast is about 10' with a 10' boom. I don't have a steadying sail so it just hold my radar, anchor light, masthead light and wind anemometer. Honestly you will probably never use the steadying sail.

PM me if you want to kick around the ownership of Great Lakes 33s, we have owned ours since Dec 2003 and taken her north to Alaska three time and put over 2400 hours on my Volvo Penta.

Enjoy
 
Oh, and the photo shown to the left was an interim mast I fabricated in my garage. I removed the modified OEM mast and boom and fabricated a raked mast out of marine plywood and fiberglass. That mast (the one in the photo) lasted for about 6 or 7 years and last year I reinstalled the original mast and boom. The photo below shows the modified OEM mast at an anchorage outside Glacier Bay in Alaska.
 

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Sounds real nice BruceK but my boat is pretty basic right now and I kinda want to keep it that way not to mention the cost. More toys, more trouble is my motto and I only dream of gold leaf. Gotta love it.
No gold leaf for me, I use bright yellow high gloss paint to pick out the letters,and put Cetol varnish over the whole board, incl the yellow painted letters. Those guys (pay someone to) renew their varnish,and gold leaf, each year. Sigh.
 
Oh, and the photo shown to the left was an interim mast I fabricated in my garage. I removed the modified OEM mast and boom and fabricated a raked mast out of marine plywood and fiberglass. That mast (the one in the photo) lasted for about 6 or 7 years and last year I reinstalled the original mast and boom. The photo below shows the modified OEM mast at an anchorage outside Glacier Bay in Alaska.
Steppan, I wondered when I joined if I would see another Great Lakes, wow. There are at least 2 others in the area around me possibly 3. Most have the covered deck at the rear like yours, ours is not, only by canvas. I believe ours was #4 with a side door layout, yours has the rear door it looks like. Where are you located to get to Alaska? Can't wait till spring. My mast is actually 24.5 ft above water level including 2 ft. for the two small antennas, way too high. Yours looks good at 10 ft, I think that's where I am headed. Ontario Yachts built primarily sailboats and I guess that is why they put so high a mast on. Bad idea. Keep in touch.

Allan
 
My 10 foot mast is 10 feet from the upper deck to the anchor light on the top. Overall I have about 21' from the waterline to the top of the mast.

Ontario Yachts built a bunch of 28' and 32' sailboats in the late 70s to mid 80' then they went out of business. There are only three Great Lakes 33 trawlers on the west coast as far as we know. Two in British Columbia and ours in Washington.

I built the aft deck hardtop out of marine plywood and fiberglass and had a local canvas company install the curtains. Mine originally had the bobtail open cockpit like yours.
 
There is one now for sale not too far from us at https://sites.google.com/site/goosebootstrawler/ She has the cover deck as well. Ontario Yachts is actually still in business today. They only went out of the boat building business due to the poor economy in the early 80s. They make other fiberglass stuff even today. That must have been an expensive proposition to get them to the west coast? How is yours on the high seas, do you watch the weather closely? How far can you go on your fuel, I take it you have 2 100 gal tanks?
 
Well the mast is now 5 ft. shorter than it used to be. 19.5 ft. to the top of the radio aerial which can easily be removed if necessary and only 18 ft. to the top of the masthead light. This will easily get me under all the fixed bridges on the Trent Severn waterway, lowest being 20 ft. Thanks for all the input, just needed to wait for winter to go away before getting it done.
 

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Thanks guys, we do like it very much for our intended use but if we were full time liveaboard it would likely be a little cramped. Ours I understand is number 4 of 28 built.
 
Well the mast is now 5 ft. shorter than it used to be. 19.5 ft. to the top of the radio aerial which can easily be removed if necessary and only 18 ft. to the top of the masthead light. This will easily get me under all the fixed bridges.....
Someone I know fitted a hinge to the mast of their GB52, using a hydraulic power unit to raise/lower the mast for a particular bridge. Can`t have been cheap to do.
 
With a frame setup like this where the mast is pinned at the height of your bimini or cabin, the mast can be layed down relatively easily, with the lower part of the mast acting as a counterweight. You may be able to mount a small hand winch to assist if required.
 

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