Relief Systems
This page is a collection of articles, online resources as well a links to specific parts that have worked well for some.
Introduction
Article from Soaring Magazine May 2010
Relief System Supplier "One on the Go"
Other Related Links (scroll down after 1st article)
Chip Bearden's Article on Externally Vented Relief Systems
"To... or Not to... No Question About It" by Karl Striedieck
Blog on the topic of Relief Systems
More Female system solutions
Product Suppliers
External Catheters
Mentor - Coloplast Clear Advantage®, Silicone Self-Adhering Male External Catheter
Quick Dis-connect Fittings
Quick Disconnect Fittings are Optional but they can make the process of switching bags much easier when one bag is not enough capacity.
This first mated pair of couplings below are from McMaster-Carr.
Plugs, Barbed: Air And Water Quick-disconnect Tube Coupling, Food/beverage Barbed Socket With Shut-off valve, For 1/4"tube IdMcMaster-Carr Part Number 5923K43
Sockets, Barbed: Air And Water Quick-disconnect Tube Coupling, Food/beverage Barbed Plug W/valve, For 1/4"tube Id
Advice
Catheters with "Aloe" makes removal much easier
If you do use a collection bag I suggest that you tape the exit valve closed so that it will not catch on anything in the cockpit and accidentally open in flight.
The St. Louis Medical website there is a measurement guide template to help you choose the correct external catheter size. Print it out and you do the rest.
Endless discussions on external catheters and relief systems can be found on Rec.Aviation.Soaring (RAS). Click here as a start http://goo.gl/cZyZbr To understand a little more about the nature of this disucssion group (RAS), click here http://goo.gl/s9qSSm
The following mated pair have the same function as above but they are from "Quick Couplings".
3/8 barb coupling insert
Attaches to the catheter
1/4 barb coupling body
Attaches to the tube to the bag