Mailing List flyrotary@lancaironline.net Message #15744
From: George Lendich <lendich@optusnet.com.au>
Subject: Re: [FlyRotary] Re: SLAs.... was Re: titanium single rotor
Date: Sat, 22 Jan 2005 10:25:32 +1000
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Re Titanium Rotors,
I just realised that Titanium, although strong as steel and half the weight, does not wear well and the grooves for the apex and side seals would suffer badly IMHO.
George ( down under)
----- Original Message -----
Sent: Saturday, January 22, 2005 8:48 AM
Subject: [FlyRotary] Re: SLAs.... was Re: titanium single rotor

 

Take a look at Xpress3D. They provide a plug in for several solid molding programs including that gives you instant quotes on several rapid prototyping processes including SLA.  

http://www.xpress3d.com/

 

 

Alex Madsen

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From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Joa Harrison

Sent: Friday, January 21, 2005 11:48 AM

To: Rotary motors in aircraft

Subject: [FlyRotary] Re: SLAs.... was Re: titanium single rotor

 

Nope, I don't have an SLA machine.   Normally the casting houses will have folks they like to work with and will include the price of the SLA in the casting price.  Of course they mark up the SLA (as well as all tooling).  You would be amazed at the mark-up for non-recurring charges :)  

 

Basically the sales guy (they like to call themselves "account managers") will give you a high price and see if you gag.  If you don't then they know you "really need it" and are happy to take your money :)

 

I was recently reminded of this in the extrusion industry.  I went out for quote to bunch of houses for aluminum extrusions for some new VGs I'm developing and the both the die price and the price per pound varied up to 350%!   I also found that if I went through a broker the prices doubled to tripled.   The moral: shop around and deal directly with the manufacturer :)

Joa

www.landshorter.com

 

WRJJRS@aol.com wrote:

Joa,

Do you have access to thew SLA machine? I use SolidWorks all the time and they have the ability to output a SLA file directly. It would be great to do a clean inlet manifold and throttle body castings. Any idea if we can buy time? Thanks,

Bill Jepson

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