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Hi Again Kevin, Can you give reference to the regulatory prohibition (or functional problem) applicable to installation of 303 or exterior stainless braid hoses on original Ercoupe push-on/clamp fuel fittings? Forgive me if I doubt your physical presence in the design phase of both 303 rubber and 666 Teflon hoses. Your personal opinion as to the "intent", (or design considerations and installation applications contemplated) for these hoses, while welcome, does not change my earlier speculation that, in case of engine compartment fire, a hose with an external metal braid might fail so as to release the fuel therein a bit later. The Manufacturer's recommendations may well constitute the "by the book" use of the product, but why would not these improved materials be approved for use in an Ercoupe by 337 in the interest(s) of safety? Regards, WRB ------------------------------------------------------------------------- on 05/02/04 11:27 AM, Kevin Gassert at [EMAIL PROTECTED] wrote: > ...303 rubber and 666 Teflon hoses are not intended to be slipped on and > attached with clamps. They are to be assembled using the correct end fittings. > Mil-h-6000 is sized to slip on. If the manual calls for a 1/4 inch hose or > line and all fittings and hoses are -4 and correct for the hose or tube type > things will be OK. The tube OD listed on the hose would indicate the > equivalent rigid tube size. So you could interchange rigid tubes and rubber > hose in some applications, you just again use the correct dash number and > appropriate fittings. > > Kevin ========================================================================== ==== To leave this forum go to: http://ercoupers.com/lists.htm Search the archives on http://escribe.com/aviation/coupers-tech/
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