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25 August 2013, 17:34
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#1
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Member
Country: USA
Town: Seattle, Washington, USA
Make: Zodiac Futura Mk IIC
Length: 3m +
Engine: Honda 20hp 4-stroke
Join Date: Aug 2013
Posts: 50
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Motor oil, molasses, mustard: yes. Toluene, xylene, iodine: no
Ever wonder what chemicals are OK on your PVC SIB? Wonder no more. Toluene is a component of gasoline, so make sure to wipe up gasoline spills promptly on yer SIB. Motor oil? Don't worry about it.
PVC CHEMICAL RESISTANCE CHART:
https://www.spilltech.com/wcsstore/S.../ccg/CBOOM.pdf
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26 August 2013, 10:00
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#2
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Member
Country: UK - England
Town: Oop North
Length: 3m +
Join Date: Jul 2013
Posts: 327
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Quote:
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Toluene is a component of gasoline,
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Good job it's not TriNitroToluene or your SIB would go with a BANG. 
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26 August 2013, 22:42
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#3
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Member
Country: UK - England
Town: Gillingham Dorset
Boat name: Green Marlin
Make: Quickilver
Length: 5m +
Engine: 90hp Mariner
Join Date: Jul 2012
Posts: 293
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Toluene used be but not any more, not since the 60's anyway iirc
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27 August 2013, 22:39
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#4
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Member
Country: UK - England
Town: Southampton
Make: avon adventure 4.5
Length: 4m +
Engine: 50hp e-tec
Join Date: Jun 2010
Posts: 307
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Quote:
Originally Posted by cptsideways
Toluene used be but not any more, not since the 60's anyway iirc
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Yeah pretty sure you are right, otherwise petrol and a few other very basic chemicals you have at home would make TNT.... Not great to have being sold by the gallon to all comers
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27 August 2013, 22:47
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#5
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Member
Country: UK - Scotland
Town: Glasgow
Boat name: stramash
Make: Tornado
Length: 5m +
Engine: Etec 90
Join Date: Feb 2006
Posts: 5,090
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Quote:
Originally Posted by stray
Good job it's not TriNitroToluene or your SIB would go with a BANG. |
Been watching too many movies fella 
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28 August 2013, 08:05
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#6
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Member
Country: UK - England
Town: Zummerset
Boat name: irven arlyss
Make: Humber Oceanpro
Length: 6m +
Engine: evinrude 135hp
Join Date: May 2012
Posts: 394
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Quote:
Originally Posted by rik_elliott
Yeah pretty sure you are right, otherwise petrol and a few other very basic chemicals you have at home would make TNT.... Not great to have being sold by the gallon to all comers
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Toluene is not that hard to get hold of really 
There is a basic methodology (??) here;
Trinitrotoluene - Wikipedia, the free encyclopedia
Which i would suggest is probably beyond most peoples basic explosives manufacturing capabilities....... 
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28 August 2013, 09:02
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#7
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RIBnet admin team
Country: Ireland
Length: 4m +
Join Date: Feb 2008
Posts: 14,910
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Quote:
Originally Posted by tonto
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Interesting link. I didn't realise they used TNT in WW2 depth charges - probably explains what the material in this is then (it's beside a Sunderland flying boat crash site in the hills near me). Archive pic on top - alleged depth charges below. Anyone for some TNT? 
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29 August 2013, 09:04
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#8
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Member
Country: UK - England
Town: yorkshire
Boat name: little vicky
Make: avon ex RNLI
Length: 3m +
Engine: tohatsu
Join Date: Mar 2008
Posts: 2,310
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Quote:
Originally Posted by willk
Interesting link. I didn't realise they used TNT in WW2 depth charges - probably explains what the material in this is then (it's beside a Sunderland flying boat crash site in the hills near me). Archive pic on top - alleged depth charges below. Anyone for some TNT? |
Could be just concrete (some ) depth charges had concrete ballast to make them sink a bit quicker
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29 August 2013, 13:22
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#9
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Member
Country: UK - Scotland
Town: Glasgow
Boat name: stramash
Make: Tornado
Length: 5m +
Engine: Etec 90
Join Date: Feb 2006
Posts: 5,090
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Quote:
Originally Posted by m chappelow
Could be just concrete (some ) depth charges had concrete ballast to make them sink a bit quicker
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As did many test munitions whilst calibrating bombing sights or just for practice drops. Mind you .. Its supposed to be impervious to water .. hence the depth charge application .. and it doesn't look like concrete 
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29 August 2013, 15:04
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#10
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Member
Country: UK - England
Town: Zummerset
Boat name: irven arlyss
Make: Humber Oceanpro
Length: 6m +
Engine: evinrude 135hp
Join Date: May 2012
Posts: 394
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Try taking a bit and lighting it? 
If it burns, it may be TNT, if not, probably concrete......... 
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29 August 2013, 20:56
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#11
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RIBnet admin team
Country: Ireland
Length: 4m +
Join Date: Feb 2008
Posts: 14,910
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Don't think it's concrete either. And the aircraft was returning from a patrol when it crashed, not a practice run...
Quite a remarkable machine to drill into a hill and have some aircrew survive.
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29 August 2013, 21:57
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#12
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Member
Country: UK - Scotland
Town: Glasgow
Boat name: stramash
Make: Tornado
Length: 5m +
Engine: Etec 90
Join Date: Feb 2006
Posts: 5,090
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Quote:
Originally Posted by willk
Don't think it's concrete either. And the aircraft was returning from a patrol when it crashed, not a practice run...
Quite a remarkable machine to drill into a hill and have some aircrew survive.
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Well ye know what to do innit ?
Timescale wise I'd be surprised .. but stranger things have happened .. they still get pulled out of the Thames mud and Clydebank every other year
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29 August 2013, 23:26
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#13
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Member
Country: UK - England
Town: Bucks
Boat name: Blue & Ding Dong
Make: Ribeye,SR4 & Bombard
Length: 6m +
Engine: 115,50 & 15Hp Yams
Join Date: Feb 2004
Posts: 3,252
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Quote:
Originally Posted by willk
Don't think it's concrete either. And the aircraft was returning from a patrol when it crashed, not a practice run...
Quite a remarkable machine to drill into a hill and have some aircrew survive.
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Looks like cordite to me.
Cordite - Wikipedia, the free encyclopedia
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30 August 2013, 09:31
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#14
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RIBnet admin team
Country: Ireland
Length: 4m +
Join Date: Feb 2008
Posts: 14,910
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Quote:
Originally Posted by Nick Hearne
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I don't think so. I've encountered cordite previously and this stuff is hard and crystalline, almost yellowish.
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30 August 2013, 18:05
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#15
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Member
Country: UK - England
Town: yorkshire
Boat name: little vicky
Make: avon ex RNLI
Length: 3m +
Engine: tohatsu
Join Date: Mar 2008
Posts: 2,310
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Just been sparking to one of my old relatives in the village who was in the merchant navy during the latter part of ww2 as a gunner thought I'd ask him about the stuff
, he recons that Torpex is what a lot of depth charges & torpedoes were filled with but to get a slower explosion to give a greater shock wave
it was mixed with all kinds of stuff such as wax & raw aluminium powder .
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