Mearsurements Please

[Chasemixon]

I'm not at my boat, and I had an idea, can someone give me the measurements from the bottom of the boom to the side top of an 80's H22? I want to mount my window unit A/C up there, but I'm not sure if the boom will clear it? I know the attachment isn't great... but should be ok for understanding what measurement I'm referring too?

 

[inarathree]

Sorry, I am out of town, so it will be at least next Sunday, but... I would guess it to about 18".

Nice drawing

 

[Benny17441]

I'm really curious about how you can make an A/C window unit work well on the cabin top. Do you have a cockpit canvas cover?

 

[Chasemixon]

I have a friend that is really good with wood, I was planning on asking him to build me a slotted unit that slides into the grove where the cabin cover goes.
Do you think it will work?

 

[inarathree]

Sorry for the late response.

Here are your measurements. I have seen people use the front hatch as a port for a a/c unit, and then build a box to redirect air down. I just put my window a/c in the companion way, and just fill in the gaps as much as i can. I only use it when i have to work in the cabin. When I am spending the night, i am at anchor somewhere, so there is no power, and usually a breeze. But this is FL, so i also don't go out much during June - mid-September, as its too bloody hot.

 

[Chasemixon]

Thanks for the measurements inarathree! I use the companion way as well, but just trying to come up with another solution, I was on mine this weekend, and yes it does fit, but I'm afraid the boom would end up hitting the A/C. my A/C is ~18" in height, so yes it fits but way to close for comfort! really need it in the forward hatch. Summer and fall are really our only time we can sail... I'm the only one who really likes it, wife and son tolerate it... Really could use some brain storming ideas on what would a box that would hold the A/C in place in the forward hatch, I'm almost to the point of just buying one of those cool carry-on deals?

 

[Bill Roosa]

Not to be Johnny Raincloud but I'm thinking that if you are only using the AC while at the dock (no mention of a genset) then ........ what do you do when sailing to keep cool? and if you are looking for a solution away from the dock I'd recommend sunshades, battery powered fans, and a misting bottle full of water. My sunshades keep the cabin about 10-15 degrees cooler during the day and allow you to keep the ports open when raining.

 

[Chasemixon]

Hi Bill, we depend on wind to keep cool while away from dock... we did outfit ours with a sunshade type of thing this last weekend helped a bunch in the cabin, but down here in south Alabama, A/C is necessary... would love a battery powered unit, but space on my little 22 are premium. I'd be happy to swap with your 40.5? I'd even throw in the window unit!

 

[Dave602]

Along the lines of Bill's posts we made shades of reflective material for all the windows and it really cuts down the temp. We also made a shade that covers from bow back to the dodger which extends over the life lines. In case of rain we can leave the hatches and port lights open.

 

[Chasemixon]

Inarathree why is your boom not parallel? I have two lines, could be I did it wrong! But just curious.
One line attaches to the white cable going to the top of mast then the other line attaches to the sail to tighten it, outhaul I think it's called? Then my running rigging pulls the boom down. If that doesn't make sense, I'll draw another picture!

 

[Bill Roosa]

Hey Chasemixon
We have AC but never us it. We never spend time on the boat at the slip and don't have a genset so AC is not in the energy budge. course we are not down south either. A couple of years ago (at the end of global warming!) it got to 100 F several weeks in a row. the sun shades and fans where all we needed. course I'm an old Army guy and heat and I are on a first name basis.

 

[inarathree]

Chasemixon - your description makes perfect sense. It might be that my topping lift (the line that holds up the end of the boom) is shorter than yours. I have a small block that is attached to the topping lift to raise and lower the end of the boom. The tail is made fast to the end of the boom, through the block, then over a sheeve in the boom, then forward to toward the mast, were it exits the boom, and through a couple blocks comes back to the cabin top at the winch area. ( i attached a drawing of it) if you need a pic, it can stop by the boat this week.

Not pictured is the outhaul, which connects to the sail, to make the foot tighter/looser. I have a drawing for how its run through the boom if you need that.

When under sail, your topping lift should be loose, and not holding up the boom, that is the job of the sail. You don't want it flogging the sail, just not holding up the boom. And yes then the mainsheet and boom vang are pulling down on the mast.

 

[Chasemixon]

Inarathree, thanks for clearing that up! mine is like yours, I just don't have that cool thing probably what your called the boom vang? lines are running from your boom to the bottom of the mast. and I don't have a block at the end of my topping lift. the cable just terminates with an eye connector. but my lines are run like yours... save the boom vang...

 

[inarathree]

the boom vang is for controlling sail twist as you sail more deeply - let the sail out. As you let the sail out, you will notice that the boom rises, and causes the top of the sail to twist away from the wind, thus decreasing power. The boom vang pulls the boom down (or prevents it from lifting), keeping the sail from twisting.

While you can take use the mainsheet and traveller to minimize the sail twist, it just won't work as good as a vang.

 

[Chasemixon]

Ah ha! makes perfect sense!