Recent posts

#11

Sun Cats and Sunday Cats / Re: $270 12V 100# Koetsu S200 ...

Last post by zfami - October 23, 2026, 10:08:16 AM

They don't claim that in any literature I've seen. I opened the control head to extend the lead wires, and IMO it's pretty safe in there - no meaningful electronics save a well sealed/plastic encased potentiometer. I suppose the small volt meter board could be conformal coated by yourself, but unlike lead acid batteries, its really useless to determine the SOC of a lifepo4 anyway - I use my battery's BMS Bluetooth app. Where the wires go down into the shaft it looks well sealed. Screws and hex bolts on the head are not stainless, just regular metric that can easily be upgraded to stainless. The mount's hardware is not stainless - I swapped the mount with a Minn Kota (which had stainless hardware) but the shaft seemed perhaps a touch loose so I went back to the Koetsu's as I'm a laker and don't need stainless. The motor shaft is stainless (the S130's is aluminum) as well as the armature/prop shaft. Beyond that I suppose it's all about the motor case's paint or powder coating(?). I can't tell and really have no opinion on that.

#12

Sun Cats and Sunday Cats / Re: $270 12V 100# Koetsu S200 ...

Last post by 03Suncatdaysailor - October 22, 2026, 04:06:51 PM

Are these saltwater rated? I looked briefly at the ad on Amazon but didn't see much. Does your literature say?

Thank you

#13

Sun Cats and Sunday Cats / Re: Suncat winch

Last post by Ken J - October 22, 2026, 10:47:03 AM

Thank you Bruce for taking the time to post and research - guess it does not sound like a good idea :-)

#14

Sun Cats and Sunday Cats / Re: Suncat winch

Last post by bruce - October 20, 2026, 01:21:04 PM

Yeah, we did stray a bit!

I searched the Sun Cats and Sunday Cats forum for "winch" and got 29 hits. Most, of course, were about the trailer winch, and some about the Mastendr Plus mast raising system, but there were a few about halyards. The first, and most relevant, was by DanM in 2018, hit #3, Hoisting Sail. Just as in your case, we went off smartly talking about halyard purchase.
https://cpyoa.com/forum/index.php?topic=11155.0

The others were about using a winch on the throat downhaul to tension the luff, as the HC is equipped. Some considered adding one to their SC, but I'm not sure anyone did it.

Go for it if you want, and enjoy working out the details, it should be fine. I'll throw in one more pitch for increasing the purchase on the throat halyard. If 2:1 isn't enough, it would be easy to try 3:1 or even 4:1 for the cost of an additional block(s) and line. Cheaper and easier, I'd guess.

#15

Classifieds for Com-pac boats / CP 17 Legacy ( hull number 1 )

Last post by SloMo - October 20, 2026, 09:25:43 AM

Hi everyone, I own the first legacy ever built. I'm putting it up for sale. It is in mint condition. I tried posting pictures on this site, but for some reason, I couldn't figure out how to do it. If you message or email ( just to the left of my post ) me I'll send you pictures that way. I'm located in Northern California. Here's a chance to own a piece of ComPac 17 history. Both boat and trailer are in amazing condition. $12,000 OBO cash. Thanks for your time.

10/21 Update: I did post pictures on the 3 ComPac Facebook pages so it should be easy to find and see the pictures. The boat and trailer looks almost new.

#16

Sun Cats and Sunday Cats / Re: Suncat winch

Last post by Ken J - October 19, 2026, 09:09:23 PM

Soooo back to my original question - what do y'all think of adding a small winch to hep raise the sail ? Is that just a crazy idea ?

#17

Com-Pac Sailors Lounge / Re: Wiiinndddyyyy!

Last post by crazycarl - October 18, 2026, 11:11:34 PM

😄 We've done it before. When we visit our daughter in Montana, we usually put 4-6,000 miles on the vehicle making a big loop visiting friends and relatives.

#18

Com-Pac Sailors Lounge / Re: Wiiinndddyyyy!

Last post by Christopher - October 18, 2026, 10:13:54 PM

Bummer!  I assume water damage to the interior as well?  Well TY for the photos and the update.  Actually what I referring to is your vacation plans for next summer.  I would need a vacation after that vacation.

#19

Sun Cats and Sunday Cats / $270 12V 100# Koetsu S200 brus...

Last post by zfami - October 18, 2026, 07:08:42 PM

Interesting comparison, and the below power/speed numbers definitely don't tell the whole story. The 100lb thrust S200 is a beast, but it's not quite as efficient as the #70 S130. In a nutshell, for my mostly mellow sailing environment I'd easily prefer an S130 if it became available with the longer shaft of the S200. As of now, with the short shaft S130 you have to be more cognizant of the overall boat trim to be sure to keep the prop under water - especially when sending someone forward when docking and you want that power (ask me how I know)! For both motors I would strongly suggest installing a Newport Vessels NK180 foiled rudder w/integrated anti-cavitation plate. I think most folks using the motors in a more dynamic sailing environment will require the longer shaft. The S200 also has a much more robust mount, and while not as heavy as a brushed motor, it does weighs a bit more and has a larger diameter motor case than the S130. On the other hand, if you ever need plenty of power to deal with a headwind or current you've definitely got it. The S200 seems like it could easily do 3.75-4mph all day (or as long as your battery lasts) and never feel like it's working hard. In a 10mph headwind the S200 easily still pushed the Sun Cat about 4mph. In the end, I may very well keep the S200 as my primary, and carry the lightweight and compact S130 (as a backup) mounted to a bracket in the lazarette for any trailer ventures to bigger water. Testing noted below was done in calm conditions, no current or waves, but an additional extra passenger compared to the S130 tests. Call it 450lbs of passengers, motor and gear this time vs 300lbs during the earlier S130 evaluation. Video link to a Com-Pac Facebook group here: https://www.facebook.com/share/p/1C8wKauecB/
Data points below:
15A 2.75mph
20A 3.25mph
25A 3.5mph
30A 3.7mph
35A 4mph
60A 4.5mph
80A 4.75mph

#20

Sun Cats and Sunday Cats / Re: Suncat winch

Last post by bruce - October 18, 2026, 07:01:07 PM

Thanks for pointing that out, Roland. Moving the cheek block and adding an anchor, or using the lower peak halyard bail attachment with a preferably non-swiveling shackle block and anchor if you don't want to drill new holes, could work.

Here's Dwyer's spar drawings for the SC line.
https://cpyoa.com/forum/index.php?topic=11288.msg85117#msg85117