= writes: I'm building with epoxy and was using West Systems because the boat = people recommend it for fuel tanks. Out of curiosity, I e-mailed West = Systems questioning the use of their epoxy with fuel with alcohol. They = did not e-mail back but quickly phoned to tell me that it would not hold = up to alcohol and suggested using Pro-Set 145 resin with Pro-Set 226 = hardener. I used this as a coating on the Cozy tanks and also to bond = the top skins onto the tanks. Wendell ----- Original Message -----=20 From: William=20 To: Rotary motors in aircraft=20 Sent: Wednesday, January 18, 2006 10:29 AM Subject: [FlyRotary] Re: Auto fuel Al, Your statement below could lead some to think that by adding more = hardner to an epoxy mix that you could make it more resistant to fuel. I = don't think that is what you meant, you might want to clarify it *and* = provide the name/model of the epoxy that you tested. Bill Schertz KIS Cruiser # 4045 -al wick Artificial intelligence in cockpit, Cozy IV powered by stock Subaru = 2.5 N9032U 200+ hours on engine/airframe from Portland, Oregon Prop construct, Subaru install, Risk assessment, Glass panel design = info: http://www.maddyhome.com/canardpages/pages/alwick/index.html ------=_NextPart_000_0008_01C61EC9.D7E64510 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Another epoxy to consider is Jeffco = 9700. =20 This is the fuel tank coating reccomended by Velocity. The Jeffco = is=20 designed as a fuel tank coating and does not require post cure heating = as the=20 Pro-Set combination requires. According to the Pro-Set web site = the 145 /=20 226 combination requires post cure heating; " Post-cure heat -- 110=B0F to 180=B0F (43=B0C to 82=B0C) will = accelerate the cure=20 and improve the physical properties of the cured epoxy, and is = required=20 with 145 Resin mixtures to reach an acceptable degree of cure. =20

Joe

----- Original Message -----

From:=20 al p = wick

To: Rotary motors in = aircraft

Sent: Saturday, January 21, = 2006 8:43=20 AM

Subject: [FlyRotary] Re: Auto = fuel

Way to be thorough Wendell! I encourage the mason jar test too, = just to=20 make sure.

-al wick
Artificial intelligence in cockpit, Cozy IV = powered by=20 stock Subaru 2.5
N9032U 200+ hours on engine/airframe from = Portland,=20 Oregon
Prop construct, Subaru install, Risk assessment, Glass panel = design=20 info:
htt= p://www.maddyhome.com/canardpages/pages/alwick/index.html

On Fri, 20 Jan 2006 11:21:40 -0600 "Wendell Voto" <jwvoto@itlnet.net> = writes:

I'm building with epoxy and was using = West Systems=20 because the boat people recommend it for fuel tanks. Out of = curiosity, I=20 e-mailed West Systems questioning the use of their epoxy with fuel = with=20 alcohol. They did not e-mail back but quickly phoned to tell = me that=20 it would not hold up to alcohol and suggested using = Pro-Set 145 resin with Pro-Set 226=20 hardener. I used this as a coating on the Cozy tanks and = also to=20 bond the top skins onto the tanks.

Wendell

----- Original Message ----- =
From:=20 William
To: Rotary motors in = aircraft=20

Sent: Wednesday, January = 18, 2006=20 10:29 AM

Subject: [FlyRotary] Re: = Auto=20 fuel

Al,

Your statement below could lead = some to think=20 that by adding more hardner to an epoxy mix that you could make it = more=20 resistant to fuel. I don't think that is what you meant, you might = want to=20 clarify it *and* provide the name/model of the epoxy that you=20 tested.

Bill Schertz
KIS Cruiser # 4045

-al wick
Artificial = intelligence in=20 cockpit, Cozy IV powered by stock Subaru 2.5
N9032U 200+ hours on=20 engine/airframe from Portland, Oregon
Prop construct, Subaru = install, Risk=20 assessment, Glass panel design=20 = info:
http://www.maddyhome.com/canardpages/pages/alwick/index.html
= ------=_NextPart_000_0008_01C61EC9.D7E64510--