Subject: Re: [harryproa] Equivalency numbers
From: "=?UTF-8?B?QmrDtnJu?= bjornmail@gmail.com [harryproa]" <harryproa@yahoogroups.com.au>
Date: 7/3/2018, 1:00 PM
To: harryproa@yahoogroups.com.au
Reply-to:
harryproa@yahoogroups.com.au

 

This is the result of my calculations for weight:
FibreEpoxyEpoxy for coreCore thicknessCore densityCore weightWeightNote
000.130.61.82.00 kg/m²3mm ply + epoxy
000.160.63.63.80 kg/m²6mm ply + epoxy
000..1120.67.27.40 kg/m²12mm ply + epoxy
0.40.20.1120.080.962.36 kg/m²Triax + H80, 3mm ply equivalent
0.750.3750.2120.080.963.61 kg/m²Triax + H80, 6mm ply equivalent
1.50.750.2190.081.526.42 kg/m²Triax + H80, 12mm ply equivalent
0.20.10.230.080.241.24 kg/m²Carbon 200gsm + H80, Robs 3mm ply+glass equivalent
0.20.10.130.61.82.60 kg/m²3mm ply + 200gsm glass

Values in the bottom is to get a sense of what can be achieved with carbon. It's from one of Robs posts on boatdesign.net.


On Tue, Jul 3, 2018 at 5:09 PM, StoneTool owly@ttc-cmc.net [harryproa] <harryproa@yahoogroups.com.au> wrote:
 

Here are some ply to sandwich equivalency numbers I found interesting.  Note the core thicknesses.

                                                                                    H.W.



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