AIT Around In Ten

Hi Manie,

I get so miffed with sales people sometimes.
If SP106 and Ampreg 21 is so close together, why have they been extolling the virtues of SP106 for all these years?

As far as my knowledge goes, 106 was always intended to compete with West 105, which is a penetrating epoxy with lower viscosity, and is very suitable for wood saturation, hence WEST (wood epoxy saturation technique....)

Ampreg 21 is a VERY good laminating system (with somewhat higher viscosity than 106) and considerably better mechanical properties. It does require an elevated temperature post-cure to fully develop Tg and elongation to break (some 4-5%(?), which is quite good and makes for a tough, resilient laminate.)
Absolutely fantastic stuff which I prefer for structural work, but it does not do as well for the hi-finesse job of penetrating wood and protecting it from moisture.

I have also had Ampreg go almost black, in the bottle, stored inside my workshop, WAY before it was supposed to timex. It then somehow drops in viscosity AND the potlife decreases considerably. This has caught me out badly in the recent past.....Maybe that is why it is relatively cheap. Remind me to see if there is a made in China sticker on the bottle!!!

Used to be one could get a straight answer from SP, back before they were bought by Gurit, but my last query to their tech dept a few weeks ago has still not been answered. Strangely, when we bought a few tonnes a year from them, they were much more forthcoming.

Sorry for the rant, but I hate when some youngster tells us something and we are expected to just believe it. I don't know this Evan guy at AMT, will only believe him if I see some boats he has built.

You should try to speak to Brian Lion-Cachet at AMT, he know his *** from his elbow, one of the best composites technicians in the country and honest to boot.

 

Sorry, I mistyped, that bad batch of Ampreg increased in viscosity.

I should proof read before hitting send......

I had a quick look at the datasheets, it seems the Ampreg viscosities are even lower than SP106, and it seems both are solvent-free systems....

This warrants further investigation.

 

Hey Manie I see there is a SCAMP being built somewhere in Joburg.
Have you seen it? It could be valuable to look at it - to help get your head around the design of the Ten. Similar sort of size, and very seaworthy little tubs from what I have seen on the magic 'tube

 

He wrote to me but I've lost the mail.
please forward details to me if you can.

 

Hi Manie,
I just saw on the Scamp website, there is an icon in SA!
Here is the final info on SP106: I spoke with Andrew Parsons this morning. AMT will still bring in SP106 in limited quantities, and currently it is about R8 / kg more expensive than Ampreg 21. He echoes the opinion to use Ampreg instead of 106, and after looking at the viscosities etc I agree that this should work fine.
SP106 is a very old system, which uses ingredient for its' hardeners which are becoming increasingly difficult to source, and may well dissappear in the future.
Apparently Ampreg is also much less hazardous to health than SP106.

 

Small Craft Advisor ---> SCAMP ---> SCAMP Worldwide Registry

Anchor icon represents plans or kit sail number.
(is not a registered finished boat, so probably a boat under construction, or just plans in a drawer, or a finished boat but the launch is not registered yet)

Sailboat icon indicates boats known to be launched.​

There are 2 Anchor icons in SA, one in Johannesburg¹ and one in/on Mountainside² just east of Gordon's Bay Harbour.

¹ Sail #136, registered location: 26°12'14.8"S 28°02'50.3"E = in Joburg.

Von Wielligh St, Johannesburg, South Africa, 2000.​

² Sail #273, registered location: 34°09'55.3"S 18°52'11.9"E = no house to be seen close to the location.

Danie Miller Hiking Trail, Mountainside - Gordon's Bay.

Danie Miller Trail, Cape Town, South Africa, 7151.​

P.S.

Please note that above coordinates and icons don't indicate the addresses of the builders but just the place where the given "town" name is stated on Google Maps.

The actual location can be any place within the boundaries of the specified "town", so the whole city Joburg for sail #136, and the whole Mountainside east of Gordon's Bay Harbour for sail #273.

 

Thanks for the research Angelique.
Hey Manie, did you paint "FARGO" with antifouling now that she is on a mooring, or are you not worried in the freshwater?
I have to come up with some solution to the fishing boat, which spend some time on a mooring in the brine, and looks like it after only two weeks. These little critters sure settle down quickly, don't they?

 

Yes definitely antifouling - black International Micron Extra - that is so flippen expensive it makes your eyes weep.

 

The Ten

Well folks it's all official now. I have started building my "ten"

http://www.boatdesign.net/forums/boat-building/manies-ten-51428.html

 

That's good news !!!

Keep us posted Manie.
Although seemingly similar in shape, I tend to like your design more than Yrvindt's approach...."Simpler is better"....I guess.

 

Not a blue-water boat but fun regardless, and video gives a bit more perspective on how tiny a boat like this (9 feet) really is:
https://www.youtube.com/watch?v=76ZQff9XSB4

 

The Paul Fisher rig (post 140) has a serious flaw: when the boat is under bare poles with the sea behind, the strength of the wind on the mast back, the boat goes to hell.

 

I also see it that way, I agree, I don't like that either.

 

It is probably expected to heave to in really bad weather.

The mast aft can really facilitate that.

A hanky sized jib, along with some sort of drogue, will probably keep the bow pointed more or less down wind.

But I too agree that the mast forward is a better design choice for a boat designed to sail primarily down wind.

 

I came across this picture
do you guys have any more information?
was this ever built?