----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]----
We wash turbine aircraft regularly and the best stuff I've run across (and it's Mil approved) is something called Fleet Wash from Aero Magnolia. There are two types, one (stronger) for removing carbon-exhaust stains, but I doubt that most piston aircraft will usually need that, but PT-6 powered King Airs always do, and the lighter stuff called Fleet Wash. It degreases, washes and even puts a slight wax finish on the paint. It does not harm Plexiglas, plastic, aluminum, fiberglass, carbon-fiber or any type of paint. It's really good stuff and available in 1 gal plastic jugs or like we buy it, in 20 gal plastic drums. It can be diluted about 10 or 20 to 1 depending on what you are doing and is very cost effective. We buy it direct from the manufacturer in Texas; Arrow-Magnolia, 2646 Rodney Lane, Dallas, TX 75229, phone no. 972.247-7111. I believe some suppliers sell it in smaller quantities. the 20 gal. quantity would last YEARS on a small airplane, even if you washed it every week. I would NOT recommend Simple Green on ANY aluminum airframe. If it was really OK, somebody would approve it. No one has. You simply CAN'T flush it out of all "cracks and crevices" as stated below. Why take that risk on your airframe? That's what causes corrosion in 50 year old machines. Treat 'em right, their worth it. Rich Linder Flight Test Group Leader FlightSafety International -----Original Message----- From: John Barsness [mailto:[EMAIL PROTECTED] Sent: Thursday, July 05, 2001 19:00 To: [EMAIL PROTECTED] Subject: [COUPERS] Here's what the Simple Green website says: ----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]---- Figured I'd see what the manufacturer says. Here are the quotes from their web site: Aircraft Cleaning with Simple Green or Crystal Simple Green Many private and commercial aircraft owners and operators have cleaned their craft with Simple Green or Crystal Simple Green for many years. However, these products do not have Mil-Prf (military testing) authority. The testing involves very long (168 hours in one test) soaking of various metals in the solution and then a corrosion inspection. If an aircraft owner only wants to use mil-prf approved products; he will not want to use Simple Green. Please see the additional information under "Aluminum". Aluminum - Is it safe to use Simple Green? Simple Green products have been successfully and safely used on aircraft, automotive, industrial and consumer aluminum items for over 20 years. However, caution and common sense must be used: Aluminum is a soft metal that easily corrodes with unprotected exposure to water. The aqueous-base and alkalinity of Simple Green or Crystal Simple Green can accelerate the corrosion process. Therefore, contact times of Simple Green and Crystal Simple Green with unprotected or unpainted aluminum surfaces should be kept as brief as the job will allow - never for more than 10 minutes. Large cleaning jobs should be conducted in smaller-area stages to achieve lower contact time. Rinsing after cleaning should always be extremely thorough - paying special attention to flush out cracks and crevices to remove all Simple Green/Crystal Simple Green residues. Unfinished, uncoated or unpainted aluminum cleaned with Simple Green products should receive some sort of protectant after cleaning to prevent oxidation. ******************************************************** The way I read it, if it's painted, it's OK-- if Not, proceed rapidly & rinse well... John Barsness N3201H ==^================================================================ EASY UNSUBSCRIBE click here: http://topica.com/u/?aVxiLm.aVzvvT Or send an email To: [EMAIL PROTECTED] This email was sent to: [EMAIL PROTECTED] T O P I C A -- Register now to manage your mail! http://www.topica.com/partner/tag02/register ==^================================================================
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