[NSRCA-discussion] Composite Firewalls

[Chad Northeast]

Hi Matt,

Can you describe the food saver system you are using?  I would like to find a cheap option to do some simple bagging with!.

Thanks,
Chad

----- Original Message -----
From: rcmaster199 at aol.com
Date: Wednesday, April 14, 2010 7:50 am
Subject: Re: [NSRCA-discussion] Composite Firewalls
To: nsrca-discussion at lists.nsrca.org

> I cut my own end grain balsa....6 pound density blocks cut 
> easily and 
> straight. I use epoxy and 3K carbon cloth as I've described 
> before. I 
> vacuum bag the assembly using a Food Saver system. Once you 
> vacuum bag, 
> you'll never go back
> 
> MattK
> 
> -----Original Message-----
> From: Budd Engineering <jerry at buddengineering.com>
> To: General pattern discussion <nsrca-discussion at lists.nsrca.org>
> Sent: Wed, Apr 14, 2010 1:18 am
> Subject: Re: [NSRCA-discussion] Composite Firewalls
> 
> Just curious, where do you guys get the end grain balsa?  I 
> can't 
> imagine you're cutting your own?
> 
> 
> Thx, Jerry
> 
> Sent from my iPhone
> 
> On Apr 13, 2010, at 11:46 PM, "Wayne Galligan" 
> <wcgalligan at att.net> wrote:
> 
> 
> 
> I'll  ditto Bob's response on the 1/64 over 1/4" endgrain.  More 
> surface area there to glue to fuse. I use a lt. ply ring behind 
> the 
> soft mount to hold the blind nuts. Works....gerrrrrrrr... ate!
>  
> Wayne Galligan
> Skyblazers R/C Club
> Waxahachie Texas
>   ----- Original Message -----
>   From:   Bob   Kane
>   To: General pattern discussion
>   Sent: Tuesday, April 13, 2010 9:29   AM
>   Subject: Re: [NSRCA-discussion] Composite   Firewalls
> 
> 
>                  I have had very good results with a firewall made of    
>       1/64" plywood laminated on both 
> sides of 1/4" end-grain balsa 
> using         
> polyurethane glue.  Lightly spray water on the balsa, 
> smear the         poly 
> glue on the balsa and a light, even coat of glue 
> on the plywood.         
> Press everything together, lay a sheet of wax 
> paper on a flat 
> surface,         set the 
> firewall on the paper, cover 
> with another sheet of wax 
> paper,         and stack 
> a LOT of books on 
> top. The poly glue will foam and 
> penetrate         the 
> plywood, the 
> weight is necessary to keep the plywood from 
> being         pushed 
> away 
>  from the balsa by the foaming glue.  The 
> resulting         structure is 
> very light, very strong, and offers a wide gluing 
> surface         
> inside the fuselage.
> 
> My setup uses a Hyde mount, so I glued 
> 3/32"         plywood 
> disks 
> approximately 3/4" diameter to hold the blind nuts on 
> the         
> backside of the fire wall.  Nothing is needed on the front, 
> the         
> Hyde mount has a large back surface to spread the load.
> 
> I have         been 
> flying this in my YS160DZ powered Temptation for 4 
> seasons now         
> without any problems.
> 
> Bob         Kane
> getterflash at yahoo.com
> 
> --- On Tue, 4/13/10, 
> colin         chariandy 
> <cchariandy at yahoo.ca> wrote:
> 
> From:           colin chariandy <cchariandy at yahoo.ca>
> Subject:           [NSRCA-discussion] Composite Firewalls
> To: "NSRCA Mailing 
> List"           
> <nsrca-discussion at lists.nsrca.org>
> Date: Tuesday, April 
> 13,           2010, 9:57 AM
> 
>                                                                          
>    Can anyone advise me on the appropriate composite 
> panel               
>    size and material for Glow powered firewalls? My 
> Xigris came          
>        with 1/8 ply that I'd like 
> to replace.
>                  
>                 Colin.
> 
> 
>            
> Yahoo!           Canada Toolbar : Search from anywhere on     
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> favourite sites. Download it 
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