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#1
Precision / Re: Resuscitating a 1993 Preci...
Last post by tjspiel - Nov 20, 2024, 09:17 PMQuote from: PapawBrett on Nov 19, 2024, 03:45 PMSo...
Using one ton jack, two 4" X 6" X 8' beams, and 12 cement blocks, I was able to lift my boat off of the trailer and examine/ paint underneath. The centerboard had a few nicks, filled easily enough. Sea Hawk 33 AF bottom cost ($60 a quart online) for two coats, and she's back on the trailer. Raised the mast and boom just to get a look at assembly/ associated fittings. Found a couple loose rivets on one of the stays, easily fixed.
Next is replacing a few wood trim pieces. Thinking pressure treated, stained maybe twice, then three coats of marine varnish.
Maybe for Christmas Santa will bring me a 2.5 HP 20"shaft outboard for ramps and /or emergency. Any good outboard dealers online ?
Sounds like some great and satisfying progress !
Don't know if you made a decision on roller furling yet or not but you might need a different jib... or maybe not.
I think on most boats that size, the furler is made up of a drum on the bottom and a swivel at the top with the job essentially acting as the forestay. So the jib would need a wire in the luff suitable for that.
#2
West Wight Potter Yachts / Re: Swing keel clunk
Last post by Phil - Nov 20, 2024, 07:00 PMGlue some thin neoprene to the inside of the trunk where the swing keel is making contact.
#3
TSBB General Talk / Capsize recovery, Electric out...
Last post by Doug SC - Nov 20, 2024, 01:51 PMThese 3 Scamp videos maybe of interest to you for multiple reasons, not least of which is winter for some of us.
There are a number of Scamp capsize videos out there this first video has a complete turtle, and 2 other capsizes in relatively rough and windy conditions with an electric Epropulsion Elite small outboard taking a dunking. It looks like a good dingy option as well as useful for a Scamp.
https://www.youtube.com/watch?v=SpEajuFIUOA
This second Video is a 3-day cruise around Bruny Island in open sea conditions in Tasmania.
https://www.youtube.com/watch?v=hhpa6kqhCfY
The third Video also some talk about electric outboards but is mostly how versatile this little boat is.
https://www.youtube.com/watch?v=oJKFX1SmXEI
There are a number of Scamp capsize videos out there this first video has a complete turtle, and 2 other capsizes in relatively rough and windy conditions with an electric Epropulsion Elite small outboard taking a dunking. It looks like a good dingy option as well as useful for a Scamp.
https://www.youtube.com/watch?v=SpEajuFIUOA
This second Video is a 3-day cruise around Bruny Island in open sea conditions in Tasmania.
https://www.youtube.com/watch?v=hhpa6kqhCfY
The third Video also some talk about electric outboards but is mostly how versatile this little boat is.
https://www.youtube.com/watch?v=oJKFX1SmXEI
#4
TSBB General Talk / Re: The confusing world of Lit...
Last post by Norm L. - Nov 20, 2024, 01:15 PMThere is a reason why the systems to monitor these batteries are more expensive than a fuse or on/off switch.
Battery science is still swiftly moving. It is no longer a car battery, truck battery or maybe a boat battery. They are being designed for specific applications. Weight, power, life, safety gets played with.
Safety comes first on ships. PCTCs(Pure Car &Truck Carriers)) now need a very advanced and complete fire detection and extinguishing system. EVs aren't afraid of water hoses.
Electric vessels are coming out around the world like small ferry boats, with small bulk carriers carrying coal running on Chinese rivers. Some autonomous. I hope you appreciate the battery boats moving coal to Chinese power plants. And China with the most wind farms.
Worldwide the energy demand for corporate data distribution systems stays ahead of the clean power supplies. And for the growing demand for human cool air.
It is nice that sailboats really don't need any of that. Well maybe with a few exceptions.
You cannot view this attachment.
Battery science is still swiftly moving. It is no longer a car battery, truck battery or maybe a boat battery. They are being designed for specific applications. Weight, power, life, safety gets played with.
Safety comes first on ships. PCTCs(Pure Car &Truck Carriers)) now need a very advanced and complete fire detection and extinguishing system. EVs aren't afraid of water hoses.
Electric vessels are coming out around the world like small ferry boats, with small bulk carriers carrying coal running on Chinese rivers. Some autonomous. I hope you appreciate the battery boats moving coal to Chinese power plants. And China with the most wind farms.
Worldwide the energy demand for corporate data distribution systems stays ahead of the clean power supplies. And for the growing demand for human cool air.
It is nice that sailboats really don't need any of that. Well maybe with a few exceptions.
You cannot view this attachment.
#5
Precision / Re: Resuscitating a 1993 Preci...
Last post by Quantico Frank - Nov 20, 2024, 06:41 AMHi, Brett! I've used these guys before, and they seem pretty good: https://onlineoutboards.com/. Looks like they're having a sale.
#6
TSBB General Talk / Re: The confusing world of Lit...
Last post by Doug SC - Nov 19, 2024, 11:36 PMYes, battery maintenance can keep one busy. There is lots of research currently on alternatives to Lithium. I look forward to seeing what will come of it. Thanks for the info on the electric motors.
#7
TSBB General Talk / Re: Auto insurance in regions ...
Last post by noelH - Nov 19, 2024, 06:06 PMSometimes a good rate is not great. Have either had State Farm or AmFam for auto and home over the past half century. Except for a short time with Progressive. Bit of bait and switch. First year or 6 months premium was too good to be true. Next time period was a joke. Switched back to AmFam. And glad I did based on what happened to a coworker.
Her car got dinged by hail. The Progressive rep was fast to issue a check for the claim. Turns out none of the local body shops could repair her vehicle for amount of the check+ her deductible. Maybe a reason why the claim person was fast to respond and fast to issue a check. The two times in my life I needed to make a claim for body damage I let the shops file the claim. No dealing with the insurance company. Just wrote out a check for my deductible. Done.
Not a fan of Progressive. Plus their commercials I find annoying. Andy Reid and the State Farm commercials I find entertaining. More so now that Mr Rogers is apparently no longer under contract. Sorry Jets Fans. He was toast the last year he was a Packer. SKOL!
Her car got dinged by hail. The Progressive rep was fast to issue a check for the claim. Turns out none of the local body shops could repair her vehicle for amount of the check+ her deductible. Maybe a reason why the claim person was fast to respond and fast to issue a check. The two times in my life I needed to make a claim for body damage I let the shops file the claim. No dealing with the insurance company. Just wrote out a check for my deductible. Done.
Not a fan of Progressive. Plus their commercials I find annoying. Andy Reid and the State Farm commercials I find entertaining. More so now that Mr Rogers is apparently no longer under contract. Sorry Jets Fans. He was toast the last year he was a Packer. SKOL!
#8
TSBB General Talk / The confusing world of Lithium...
Last post by noelH - Nov 19, 2024, 05:47 PMLNMC based chemistry lithium ion battery in the Torqueedo. Unknown specific composition. LNMC with higher % lithium and cobalt pack a higher energy density, but at a $$$ cost. Torqueedo notes for storage over 6 months to fully charge. Have been doing so the last 6 and now 7th season. Based of capacity and performance I have not noticed any real loss of capacity.
The ePropulsion eLite I'm pretty sure has a battery made of 18650 LNMC cells. They note to drop the battery down to 65% for long term storage. So I did. The kicker is they recommend checking monthly to make sure capacity keeps above a critical safe level. LNMCs depending on chemistry self discharge 1-4% per month.
Unsure what type of lithium ion cells are in the Ego chainsaw battery. It's an "intelligent" battery that after a set amount time of no use self discharges to some level.
18650 cells used in the LED flashlights have been charged to full. Both ones in the flashlights and backups in storage. Quality cells and after 7 years of use the only one trashed was due to me leaving the torch on for ? weeks. Cell voltage dropped into the 2volt range. Discharged it down to fraction of a volt and dispose of. Simple diy slow and safe discharger. A must if you fly lithium powered RC platforms or stress your "smart" battery chargers by using discharge mode.
Started flying DJI quads this year. Something I never though I would do. Not a fan of DJI. Their "intelligent" batteries are LNMC lithium ions. Low kv, high torque motors, and low power (watts) quads. They also self discharge. The kicker is the two models I fly have two different batteries and have different self discharge schedules. Could be due to size(2s and 4s) and capacity. Both drop down to the same storage level as ePropulsion.
Realistically I think it is a liability issue for the companies that have self discharging LNMC. In the case of thermal run away the higher voltage fully charged battery would have a more significant negative outcome. Personally I think it is a bit of a trade off. First one has to consider the actual size, capacity, watt hr of the battery. Then factor in discharging a battery to a "safe" storage level has some inherent risks.
Will be interesting with time as more vehicles and boats become lithium v. gasoline powered in the incidents of fires, explosions. One of the bad things about lithium is salt water intrusion. Thermal run away can happen and not immediately. Wonder how many hurricane flooded EVs have been sitting time bombs.
The ePropulsion eLite I'm pretty sure has a battery made of 18650 LNMC cells. They note to drop the battery down to 65% for long term storage. So I did. The kicker is they recommend checking monthly to make sure capacity keeps above a critical safe level. LNMCs depending on chemistry self discharge 1-4% per month.
Unsure what type of lithium ion cells are in the Ego chainsaw battery. It's an "intelligent" battery that after a set amount time of no use self discharges to some level.
18650 cells used in the LED flashlights have been charged to full. Both ones in the flashlights and backups in storage. Quality cells and after 7 years of use the only one trashed was due to me leaving the torch on for ? weeks. Cell voltage dropped into the 2volt range. Discharged it down to fraction of a volt and dispose of. Simple diy slow and safe discharger. A must if you fly lithium powered RC platforms or stress your "smart" battery chargers by using discharge mode.
Started flying DJI quads this year. Something I never though I would do. Not a fan of DJI. Their "intelligent" batteries are LNMC lithium ions. Low kv, high torque motors, and low power (watts) quads. They also self discharge. The kicker is the two models I fly have two different batteries and have different self discharge schedules. Could be due to size(2s and 4s) and capacity. Both drop down to the same storage level as ePropulsion.
Realistically I think it is a liability issue for the companies that have self discharging LNMC. In the case of thermal run away the higher voltage fully charged battery would have a more significant negative outcome. Personally I think it is a bit of a trade off. First one has to consider the actual size, capacity, watt hr of the battery. Then factor in discharging a battery to a "safe" storage level has some inherent risks.
Will be interesting with time as more vehicles and boats become lithium v. gasoline powered in the incidents of fires, explosions. One of the bad things about lithium is salt water intrusion. Thermal run away can happen and not immediately. Wonder how many hurricane flooded EVs have been sitting time bombs.
#9
TSBB General Talk / Re: outdoor winter storage
Last post by noelH - Nov 19, 2024, 05:14 PMQuote from: Spot on Nov 17, 2024, 09:12 AMSimilar sized boat, same MN state, would not skip the ridge pole support.
I need to cover mine soon, lulled by the warm fall so far...
Do you have access to someone smaller in stature to climb up under the tarp to set the support?
Is it November? Another +50F day along the Southshore of L. Superior. Gale force wind of November, but more like end of October temperatures. Off shore water temp has finally dropped into the low 40F's. Good thing it was warm last night. 1.85" of rainfall. Good for the soil to get these late soaking before the ground freezes.
Need to get around to placing the tarp on. Vela is parked in the car port and protected from sun, rain, snow.... But come Spring the mast becomes a bird perch with the resulting droppings if I don't tarp.
The planned hour or so at the Marina the day I dropped the mast and packed Vela home for the season ended up 1/2 day. Lot of lip flapping with owners putting their much larger boats to rest for the season. All of them required too tall ladders to fall off of and too many times up and down. One owner had a nice diy system for his "tarp". Almost like framing a roofing system. Rafter beams with stout ridge pole. Robust system for attaching the rafters to more or less the rails. Hours of work just assembling the frames and hauling everything up to deck level. Then needing a calm day to drape the "tarp", adjust the ventilation system....
Way too much work. Vela, ~1.5 hrs to drop the mast and secure it. 0.5 hr to tow home. 1 hr to power wash and wax. 0.5hr to unload and stow all the sailing stuff that should not be exposed to freezing temperatures. I'm too lazy to own anything but a true trailer sailboat.
#10
Precision / Re: Resuscitating a 1993 Preci...
Last post by PapawBrett - Nov 19, 2024, 03:45 PMSo...
Using one ton jack, two 4" X 6" X 8' beams, and 12 cement blocks, I was able to lift my boat off of the trailer and examine/ paint underneath. The centerboard had a few nicks, filled easily enough. Sea Hawk 33 AF bottom cost ($60 a quart online) for two coats, and she's back on the trailer. Raised the mast and boom just to get a look at assembly/ associated fittings. Found a couple loose rivets on one of the stays, easily fixed.
Next is replacing a few wood trim pieces. Thinking pressure treated, stained maybe twice, then three coats of marine varnish.
Maybe for Christmas Santa will bring me a 2.5 HP 20"shaft outboard for ramps and /or emergency. Any good outboard dealers online ?
Using one ton jack, two 4" X 6" X 8' beams, and 12 cement blocks, I was able to lift my boat off of the trailer and examine/ paint underneath. The centerboard had a few nicks, filled easily enough. Sea Hawk 33 AF bottom cost ($60 a quart online) for two coats, and she's back on the trailer. Raised the mast and boom just to get a look at assembly/ associated fittings. Found a couple loose rivets on one of the stays, easily fixed.
Next is replacing a few wood trim pieces. Thinking pressure treated, stained maybe twice, then three coats of marine varnish.
Maybe for Christmas Santa will bring me a 2.5 HP 20"shaft outboard for ramps and /or emergency. Any good outboard dealers online ?