[bolger] Re: Oldshoe
- And looking at another time-zone map, Chile is actually exactly on Eastern Standard Time (E.S.T.) ‘East-Coast Time’, as is Gloucester, MA.... look BEST... Almost made it through without much of a typo...
From here in Gloucester, thanks you all for this ‘Olde Timey’ discussion on little old OLD SHOE no less.
Who says YAHOO GROUPS is ‘dead’ ?!
Not just because we are coming up on Halloween and all, this ‘Living Dead’ YAHOO GROUP reality here suits me just fine, seems full of enough life, judging by the spirit and caliber of the discussion.
As for so many years before, sooner or later, solid perspectives emerge and do add up, especially, as here, when some come from those familiar with the original configuration of the given design up for discussion – here Design #449 OLD SHOE.
Good, for instance, to read David Cobb’s experience aboard sailing his around in ‘The Other Down-Under’ – Chile that is.
(From Gloucester, MA, Australia is 9-10 time-zones and about 10,000 miles away, with Chile apparently 1 hour ahead and 5200 miles away; at least I could attempt to take the car to Santiago de Chile... and way further south yet, to end up closer to the South Pole than any place in Australia.
GOOGLE EARTH offers plenty of gratifications, as Phil enjoyed a lot, having been a member of the National Geographic Society and ‘Map-Freak’ since the mid-30s.)
Reading the exchanges, it seems to me that – or I missed it somehow – that the long sloping leading-edge of the keel has not been looked at yet.
Fairing of the wider keel into the rudder has seen proper focus already.
But, if the Leading Edge up-front is much broader than intended, and then totally alu-welding correct ‘square’, then the keel behind it would be badly compromised in its function all the way aft to the rudder.
A reasonably ‘doable’ option would be to through-bolt a half-round addition out of, say, initially just pressure-treated lumber, cut, stacked, bolted-together and faired for a removable ‘test’-addition.
If she is really this blunt up-front, then this should really help her.Once this assumption is indeed confirmed under sail and power, making a copy out of bent alu-(half-)pipe(s) for a permanent installation would seem called for.
I’d be tempted to make that addition ‘dry’, as in permanently enclosed via solid welded caps.
On the trolling-motor propulsion-option to make the batteries in the wider keel do double-duty - as no doubt intended by the builder - then our Electric Launch LILY (Design #627) may offer some insights.
On 15’4” overall length, her waterline is some 14.5’ long by 4’4” wide and did reach 3.8 knots with the low-pitch 11”x4” weed-less plastic prop on the 65 lbs-rated MINNKOTA.
She carries 6x 12V Sched. 27 mild ‘deep-cycle’ batteries for 7-8 hrs of running with 4 adults aboard before the batteries get too discharged for long-term health.
OLD SHOE is 5’ wide and shorter and thus has more drag, but could still match LILY’s prop-pitch-limited speed in a calm, assuming a healthy trolling-motor.
Down-wind more without the drag of her masts – but then you would be sailing anyway.
Seems like you have decent ‘Get-Home’-Power aboard her now – apart from sweeps that is...
Good luck, Buddy, on getting her fine-tuned to make her and you look the nest.Feel free to share pictures of her as is with this office here at philbolger@....
”YAHOO GROUP... it’s alive, alive...”
Alright, I’ll wind down now.. hanging upside-down from the rafters... or not.Susanne Altenburger, PB&F
Is there a screw on the housing looking like it has no function?
IFIRC the safety wire keeps the housing or external parts that might be touched at the same potential (voltage). If internal hot wires should contact the housing, the current will short through the safety green instead of some poor soul holding on to the device. In a very simple system (one battery, no AC around) green and could be tied together, preferably at the battery.
AndrewFrom: firstname.lastname@example.org <email@example.com> on behalf of BllFs6@... [bolger] <firstname.lastname@example.org>
Sent: Thursday, October 26, 2017 1:30 PM
Subject: Re: [bolger] OldshoeThanks for that info.I figured such a heavy guage wire had to do SOMETHING.So, do I need to tie it into the black ground wire or something else?Thanks again for the input!Looking forward to Friday.-----Original Message-----
From: Andrew Porter andrewaporter@... [bolger] <email@example.com>
To: bolger <firstname.lastname@example.org>
Sent: Thu, Oct 26, 2017 8:17 am
Subject: Re: [bolger] OldshoeThe GREEN wire is safety ground, functionally not important but good for safety.From: email@example.com <firstname.lastname@example.org> on behalf of 'wordzenpix .' wordzenpix@... [bolger] <email@example.com>
Sent: Thursday, October 26, 2017 12:15 AM
Subject: Re: [bolger] OldshoeAt almost 3mph, you had the full 12 volts, full thrust. Red and black are primary and ground or positive and negative as you prefer.On Oct 25, 2017 4:52 PM, "BllFs6@... [bolger]" <firstname.lastname@example.org> wrote:Got to do a trolling motor test with the Old Shoe today.Got a late start....so decided not to unfurl the sails. Just put the masts up, kept the sails furled and headed directly into the wind.. Wind was about 10 mph. Chop was pretty darn light and low....about 6 inches.Averaged about 2.8 mph for about an hour and half...with a total distance traveled of 4.5 miles.Had two batteries...but probably not fully charged...and probably not in very good shape either.Trolling motor is nominally a 50 lb thrust model I believe. When I went to rig things up at home today...found out the darn thing wouldn't work !Opened up the head...could not see what was wrong...then it occurred to me to just bypass all the fancy electronics...snipped some wires...did some work and ended up just running the motor with 12 volts direct.One thing was odd about wiring though....there was a black wire, a red wire, and a green wire leading to the motor. The only thing that made the motor run was applying voltage to the red wire and black wire. red and green or green and black did nothing.So, not sure I was running at 50 lbs of thrust. Will measure it next time out...which will hopefully be this coming friday. Wind looks favorable in strength friday and comes from a direction I can work with. Will be able to get some idea of how well this version of an OldShoe sails upwind.I'm fairly pleased with the trolling motor performance. Looks at least workable for me short term. Beat rowing for sure ! Nice and quite and no fumes or gas to mess with.Very much looking forward to Friday!Thanks again for all the thoughtful input folks!BuddyPosted by: "wordzenpix ." <wordzenpix@...>
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