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Author Topic: Joysway Focus - a first yacht  (Read 31126 times)

mrpenguin

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Re: Joysway Focus - a first yacht
« Reply #75 on: April 21, 2013, 11:48:38 PM »

Not sure if these are the same winch - smaller than the standard sail servo - I have used them a couple of times for projects (boats up to 700 mm), seem to be Ok.
They come in 4 and 6 turn variations, would suggest 4 turns is probably enough for this application.... However I am doubtful that these are big/strong enough for a 1 metre boat in stronger conditions
http://hobbyking.com/hobbyking/store/__20854__SW4805_4PA_Sailwinch_Servo_6_13kg_45g_0_70.html
This may be too big and is 6 turns:
http://hobbyking.com/hobbyking/store/__18742__Vigor_VSD_11AYMB_MG_HV_Extra_Large_360_Degree_Winch_Servo_0_75sec_50kg_150g.html
 
For my one metre boats I am using EXI B1226 - there are lots of equivalents about
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bigbloke

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Re: Joysway Focus - a first yacht
« Reply #76 on: April 22, 2013, 07:57:21 AM »

the 4805-4pa is the factory standard servo on my focus MrPenguin

And I would agree it seemingly doesnt have the raw "grunt" as both
myself and Ramon have found.

Ive gone for the 5513-4ma, which is metal geared and allegedly can haul
in twice the sail load.


regards


BB
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Ramon

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Re: Joysway Focus - a first yacht
« Reply #77 on: April 22, 2013, 08:38:38 AM »

Hi BB,
 
That was about the same price as I paid for my replacements which proved to be very poor quality - they didn't come from the Component Shop though. They were sold as metal geared King Max 5513s but had no King Max labels on them - though as said previously the replacement did. I felt the original winch did a reasonable job but as Mr P points out they are not up to the task when the load gets a bit heavy.
 
My thinking was the same as yours - metal gears, more torque - should be an improvement, but I don't think mine were true KM servos. I'll look forward to hearing how yours turn out.
 
Regards - Ramon
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bigbloke

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Re: Joysway Focus - a first yacht
« Reply #78 on: April 22, 2013, 09:25:37 AM »

Ive found the Kingmax website and this servo:

http://a20068124.oinsite.yh.mynet.cn/_d274975026.htm

is what King max themselves declare suitable for an IOM scaled boat

I might see if I can find one and keep the 5513's for a pond yacht I'm currently renovating  / converting.
being only 30" long it should meet that demand.

[edit] googled around - no-one seems to stock this one [/edit]

regards

BB
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bigbloke

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Re: Joysway Focus - a first yacht
« Reply #79 on: April 22, 2013, 02:38:44 PM »

As can be seen below - my revised approach to a "C" suit (High wind) is going to be quite a bit different
to my first attempt ;)

I'm going to knock up some plain white prototypes (for speed) , test them, then make coloured new ones of the
variant I'm most happy with.

fortunately I have a job lot of white ripstop that I can use for testing

Murphy's Law dictates that as soon as I start sewing though there will be no gales for weeks :)

regards

BB
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mrpenguin

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Re: Joysway Focus - a first yacht
« Reply #80 on: April 22, 2013, 11:40:39 PM »

@bigbloke:
You may find this site of value for sailmaking:
http://www.stirling.saradioyachting.org.au/sailmaking.htm
 
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bigbloke

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Re: Joysway Focus - a first yacht
« Reply #81 on: April 25, 2013, 12:33:37 AM »

wow ! not half MrPenguin !! Many thanks indeed - VERY interesting

Just got home from a couple of days up country with work . The new servo..well servos.. have arrived .
It took a bit of working out to get them back on and winding to the right place but once I worked out that
A) I had got the drum on at the wrong angle and B) it was winding backwards it was no problem.

These servos are indeed metal geared , much heavier than the factory stock ones and seem to wind tighter.

The drum also is directly compatible with the one fitted to the focus so no undoing of knots etc

For Ramon's information they came in King Max cardboard boxes and were kingmax labelled (see pic below)

regards

BB
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Ramon

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Re: Joysway Focus - a first yacht
« Reply #82 on: April 25, 2013, 08:24:17 AM »

Hi BB - Good to hear you got sorted.
 
Just taken a look at the Component Shop - wished I'd have known about that before trying the supplier on E bay.  I'm convinced the first two were copies of some kind - very poor as said but the replacement appears to be the same as what you have. Given the original is/was a bit marginal for the task in hand hopefully these metal geared slightly higher torque will prove adequate. I think I'll order one at that price to see - after all Sues one is probably going to give up the ghost before too long  %)
 
I'd like to get hold of a couple of the higher torque winches your link referred to - I tried emailing the King Max sales again but it came back as unavailable. Maybe the Component Shop can get them? - I'll ask.
 
Regards for now - Ramon
 
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bigbloke

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Re: Joysway Focus - a first yacht
« Reply #83 on: April 26, 2013, 06:57:17 PM »

just took the new "A sails" out in a real howler (gusting 19mph !)

they rattled like crazy, weather-helmed as you might expect but pitchpolling is less and
straight line performance is way faster

only niggle was it appears to have overpowered the rudder servo connecting rod ! (sailing
to the left when it came out of the pond)  %)


ready to make the "C suit" now !

regards

BB

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bigbloke

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Re: Joysway Focus - a first yacht
« Reply #84 on: May 09, 2013, 08:33:19 AM »

seems my rudder repair wasn't strong enough for the bashing it took the other day. new shaft fitted, twice as deep into the fin with two sections crimped to prevent the shaft from rotating in-situ. now to refill and respray.

imminent redundancy and death of my car may curtail my activities for a while so not in a rush to fix it.


regards


BB
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bigbloke

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Re: Joysway Focus - a first yacht
« Reply #85 on: May 18, 2013, 12:43:46 AM »

it seems that at the same time as breaking my rudder shaft I broke the fitting where the rudder shaft connects to the con-rod that routes to the servo.  <:(

looking for an impromptu source for a fix, i happened upon a terminal block strip (3 x holes) from a ceiling rose (electric light fitting) which amazingly seems to have fitted the bill perfectly!


regards

BB


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triumphjon

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Re: Joysway Focus - a first yacht
« Reply #86 on: May 18, 2013, 06:41:28 AM »

i tend to make rudder stocks which have an angle bent onto the lower end of the stock , or have a section of flat bar soldered onto the stock , to give the blade something to hold onto . all of my  yachts get fitted with solid stainless steel linkages from the tiller to servo with adjustable keepers at each end of the rod . tried to use some plastic keepers earlier in the week on an old r36 ive restored , they survived just ten mins in the lake before they both failed ! hope you can get mobile soon , i know how difficult it can be getting a yacht to the lake without a car . jon
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bigbloke

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Re: Joysway Focus - a first yacht
« Reply #87 on: August 30, 2013, 10:58:45 PM »

my redundancy has been deferred to 31st of December and a new car has been sorted, but unfortunately the mast base of my focus has snapped in two.

Finding new work for the new year has kept me off the water
(that and apparently needing permission from severn-trent water to sail my yacht ... don't get me started!!  >>:-( >>:-( >>:-( )

Whilst the part is only cheap no-one has stock so Ive moaned at ripmax via facebook and am now awaiting
via one of their resellers 3 replacement parts ('cause its bound to break again!)

I'll update when i find out how long its going to be

regards

BB
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bigbloke

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Re: Joysway Focus - a first yacht
« Reply #88 on: September 23, 2013, 10:26:25 PM »

hi all,


it seems that it will probably be a good few weeks (i suspect as much as 3 months?) for the parts to arrive
on the "slow boat from china".


However, i have been in touch with a very helpful chap called Alan at Ripmax ( the importer) who found a broken boat "somewhere",  whipped off the necessary part and sent it on to me FoC to keep me going until the 3 spares arrive :)


fitted the piece on the weekend and discovered that the elastic band that tensions the winch had failed so more running repairs needed - maybe next weekend? ;-)


regards


BB
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triumphjon

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Re: Joysway Focus - a first yacht
« Reply #89 on: September 24, 2013, 02:39:19 PM »

the joy of improvising , re the elastic band , many yachts are tensioned by using hat elastic which is available from good fabric shops in most towns / cities ( try fabric land )
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unclewinnet

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Re: Joysway Focus - a first yacht
« Reply #90 on: January 03, 2017, 09:48:36 PM »

do you still have this as i  have joysway focus mk1 which i got cheap but it  didnt come with instructions with it was wounding if i could get a copy off you 
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Netleyned

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Re: Joysway Focus - a first yacht
« Reply #91 on: January 04, 2017, 08:56:32 AM »

This site may be of interest if you have not already found it.
http://www.shipshaperc.com/index.php/forum/joysway-focus


Ned
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Robtroi

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Re: Joysway Focus - a first yacht
« Reply #92 on: July 21, 2017, 03:30:57 PM »

Hi does anyone know where I can purchase a main mast mount, mine broke  <:( I have tried all the on line stores in The UK and also Ripmax who import the spares but they say its  a discontinued part  <:(
I cant just throw the yacht in the skip! what to do?
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