Trivia IV

Coming up with a good question is on the hard side as well.

 

I see your problems. I have a good supply of trivia pictures and questions stored up, but it gets kind of boring being the only one asking questions.

Here is something to get the trivia started again. I guess we'll see how far we get...
Just to be fair, don't try searching the image for a couple of days, see if anybody knows off the top of their head.
Who be she, and where be she, and why be she in this predicament?




Beaver

 

Cool photo.

 

Yeah, hate to be that captain!

Beaver

 

The ship is the USS Edsall in the Indian Ocean being attacked by dive bombers from the Japanese carriers Kaga, Hiryu, and Soryu. (I cheated and image searched). I suppose it is my turn. Which ship of the Royal Navy froze on the ways and would not slide into the water in 1860?

 

I wouldn't be so hasty to be asking questions. You are only partly right. It is indeed USS Edsall ( shame on you for image searching)and she is sort of in the Indian Ocean, I was really looking for Java Sea. But but but but,.... you totally messed up on who is doing the smashing in the photo. It is not Kaga, Hiryu, and Soryu, but Japanese cruisers.
The carriers took out Edsall's propulsion, and the cruisers finished her off, resulting in the photo above. If you have ever seen bombs hitting water, they are much wider and flatter, shell fire creates tall geysers like in the photo.

Since you're the closest, and I gave away all the info, I guess you are next up.

Beaver

 

HMS Warrior

 

Yep! it was the HMS Warrior. You're up.

 

When constructing a model warship which is more hazardous to your health:
1. Grinding Polyester resin
2. Grinding Epoxy resin (west system)
3. Grinding wood

And why?

 

Wood dust. Not only is it a known carcinogen, it also can cause various degrees of allergic responses.

 

Wood dust is the least, two more chances

 

Well, i know polyester resin vapour when curing is a possible irratant on the nervous & respiratory tracts, and a possible carcinogen. Polyester would definatly be my choice out of the two as the worst. Epoxy resins are mainly a skin irritant due to over sensitization. So, I'm curious why the two resins would be more dangerous than wood dust.

 

I would say the West Systems. Grinding it, then inhaling it when not completely cured could cause it to ''glue'' itself to your respiratory track resulting in serious health problems.

Beaver

 

Polyester resin is pretty nasty. I fear that stuff even more than glowing green rocks. I don't think West Systems epoxy comes anywhere near as close. At least, as far as curing fumes go. No idea how the ground-up dust compares, though both resins are much worse than wood dust.

 

I'm curious to hear why you think wood dust isn't near as bad as resin dust.

 

Out of all of them here is the order:
1. most dangerous is the Epoxy base coatings because they have a nasty ability to build up in ones body and then overload your liver with long chain molecules in one shot. Likely to happen when one has used it for a while and not taken adequate precautions, it builds up in Fatty tissue and when you drop the weight your liver ends up metabolizing the epoxy.

2. Polyester is nasty as well but effects your lungs in a greater way than your liver, when mixed with fiberglass and sanded it is really bad so those stupid paper mask
are a good idea.

3. Wood alone is nasty as well but it is a carbon base life form and contains few if any really long chain molecules, so although you will sneeze and wheeze.

So Beaver your up

 

References?

 

http://www.cdph.ca.gov/programs/hesis/Documents/epoxy.pdf

http://www.westsystem.com/ss/health-effects-from-overexposure-to-epoxy/

http://www.fram.nl/workshop/controlled_vacuum_infusion/allergy.htm

This took about two nano seconds to find.

I also didn’t rate the dermatitis thing, really bad if you have seen anyone with
that type of reaction to chemistry.

Many more texts on the poison we handle every day, the moral to the story is use that dust mask and ventilate your building room.
Fresh Air will dilute the poison, more air less poison.

 

I actually read all of those, and I don't think they support your agrument that epoxy resins are any better or worse than polyester resins. Polyester resins contain MEKP (the hardener specificaly I believe), which can also cause damage to the liver. Consider also that polyester resins have a much higher VOC, than do the epoxy resins (west system) which are low VOC, and that polyester resin can take up to two weeks to fully cure I would submit that using a polyester resin comes with a much higher risk for the hobbyist.