Re: [PSUBS-MAILIST] floatation

[<drewacard@charter.net>]

http://www.aircraftspruce.com/catalog/cmpages/bubbles.php
a lb for $7 a lb
1500 lbs of lift no matter how you slice is a lot of lift
i was thinking 50-100 lbs of lift or maybe used as fixed trim.

Andy

From: "rick miller" <rickm@pegasuscontrols.com>
Date: 2005/10/28 Fri AM 08:57:24 CDT
To: <personal_submersibles@psubs.org>
Subject: Re: Re: [PSUBS-MAILIST] floatation

comercial tested syntantic foam is about 10 dollars a pound of lift.

assuming 60 dollars a gallon for resin and using tested fillers at 25 
dollars a pound it still cost about 10 dollars a pound for lift to make it 
your self.. figure wholesale pricing could get that down to 5 to 6 dollars a 
pound. and when you need 1500 pound of lift this is starting to get 
expensive.
----- Original Message ----- 
From: <drewacard@charter.net>
To: <personal_submersibles@psubs.org>
Sent: Friday, October 28, 2005 6:03 AM
Subject: Re: Re: [PSUBS-MAILIST] floatation


> Glass Micro Spheres
>     Made of crush-resistant hollow glass, these micro-sized spheres 
> displace four to six times their weight in most resins. Spheres are used 
> as a filler when added to completely mixed epoxy resin and hardener. 
> Supplied in a 1-lb. bag.   1414T36  Each  $14.98
>
> I think I posted this before???
>
> http://www.mcmaster.com/
> part number 1414T36
> 4-6 lbs of float per lb
>
>
> Andy
> From: "Rick and Marcia" <empiricus@telus.net>
> Date: 2005/10/28 Fri AM 04:43:06 CDT
> To: <personal_submersibles@psubs.org>
> Subject: Re: [PSUBS-MAILIST] floatation
>
> Hi, Bill - dunno.  I gave up on syntactic foam about 25 years ago  :-)
>
> Rick
> Vancouver
>  ----- Original Message ----- 
>  From: Akins
>  To: personal_submersibles@psubs.org
>  Sent: Friday, October 28, 2005 1:43 AM
>  Subject: Re: [PSUBS-MAILIST] floatation
>
>
>  Hi the other Rick. Lol.
>
>  Expensive huh?  How expensive is expensive?
>
>  Can one buy the glass balls and make up their own epoxy/ball mix?
>
>  Anyone tried their own mix that way?
>
>  Bill.
>
>
>    ----- Original Message ----- 
>    From: Rick and Marcia
>    To: personal_submersibles@psubs.org
>    Sent: Friday, October 28, 2005 3:07 AM
>    Subject: Re: [PSUBS-MAILIST] floatation
>
>
>    Hi, Bill - the other Rick here.
>
>    Mucho expensive stuff.
>      ----- Original Message ----- 
>      From: Akins
>      To: personal_submersibles@psubs.org
>      Sent: Friday, October 28, 2005 12:11 AM
>      Subject: Re: [PSUBS-MAILIST] floatation
>
>
>      Hi Rick.
>
>      Ahhhh, I see. So these tiny little glass balls are all mixed up in 
> the epoxy and this takes the shape of
>
>      whatever it's poured into and becomes uncompressable ballast. Cool! 
> Where can you get this syntactic foam?
>
>      Thanks, Bill.
>
>
>
>




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