X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from ms-smtp-02.southeast.rr.com ([24.25.9.101] verified) by logan.com (CommuniGate Pro SMTP 5.1.10) with ESMTP id 2144350 for flyrotary@lancaironline.net; Wed, 27 Jun 2007 19:17:55 -0400 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.101; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-103-061.carolina.res.rr.com [24.74.103.61]) by ms-smtp-02.southeast.rr.com (8.13.6/8.13.6) with SMTP id l5RNHGRX014214 for ; Wed, 27 Jun 2007 19:17:17 -0400 (EDT) Message-ID: <003401c7b911$478612a0$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Amazing Transformation Date: Wed, 27 Jun 2007 19:17:06 -0400 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3028 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 X-Virus-Scanned: Symantec AntiVirus Scan Engine Ok, Monty, I'll bite. I see the horrid rusty rotors in the photos you sent. I assume there is a correlation with your very interesting dissertation on Electro-unbounding and assumed that I was going to see sparkling shiny rotors in the second photo - but, Nope! Still rusty rotors. What am I missing here? Ed ----- Original Message ----- From: "Monty Roberts" To: "Rotary motors in aircraft" Sent: Wednesday, June 27, 2007 6:09 PM Subject: [FlyRotary] Amazing Transformation > >> Occasionally, I come across something that is so useful it makes me >> angry. >> This is one of those things. >> >> All of my life, I have messed around with rusty stubborn >> parts...tractors, >> motorcycles, cars, machine tools, you name it. Seems I am forever trying >> to >> get some stubborn frozen #$%*& bolt loose. >> >> A while ago I came across a reference to electrolytic rust removal. After >> a >> bit of research, I found all you need is: >> >> 1.) a battery charger >> 2.) an iron sacrificial anode >> 3.) a plastic tub or bucket >> 4.) sodium carbonate aka soda ash, aka arm and hammer washing soda (not >> to >> be confused with baking soda which is sodium bicarbonate) >> >> If you want to make sodium carbonate from baking soda you heat it in the >> oven at 400F to drive off the CO2 to make soda ash.....but it only cost >> $2 >> for a box of the stuff at the grocery store in the laundry isle. DIY can >> be >> carried to extremes. Do whatever you think is best. >> >> You mix a 10% solution. of water and washing soda. Exact amount is not >> really critical. >> >> You put the impossibly rusted, frozen, and extremely valuable part in the >> bucket and connect the negative lead to it (very important to get the >> polarity right) >> >> You put the sacrificial anode in the bucket and connect the positive lead >> to >> it. Then you turn it on and go to bed. >> >> Then you get up the next day, you have coffee, you putter around in the >> shop >> and otherwise goof off all day (trust me it's OK your making money the >> whole >> time!!) >> >> Late in the day you get the part out, wash the black slime off with soap >> and >> hot water, blow the part dry. Soak it in WD40 so it won't surface rust. >> >> See the pictures for yourself. >> >> Why am I mad? I spent all those years sanding, grinding and otherwise >> working WAYYYYY too hard. WHY didn't somebody clue me in? WHY was this >> never >> mentioned in any of those damn hot rod books I wasted so much money on? >> >> IMPORTANT!! >> >> Only use iron or mild steel anodes (I used a grid of re-mesh) Plated >> steel >> or stainless steel can produce toxic byproducts. >> >> The electrolyte can be reused. eventually it becomes too nasty and you >> have >> to dispose of it. It is mostly soapy rusty water. Best practice is to let >> the water evaporate and send the residue to the landfill or take it to >> your >> local household hazardous waste center. >> >> The bubbles produced are hydrogen and oxygen so do this outside away from >> sources of ignition. >> >> There is anecdotal evidence that this can cause hydrogen embrittlement. >> If >> you are worried about this bake the parts in an oven at 400F for a couple >> hours to drive the hydrogen out by diffusion. >> >> Your mileage may vary, >> >> Don't electrocute yourself, Don't smoke while doing this, Don't drink the >> sludge, Don't do this while intoxicated, mentally retarded, naked, on >> probation, with a minor, etc, etc >> >> Proceed at your own risk, Not responsible.....yada,yada, yada >> >> Googgle "electrolytic rust removal" >> >> Monty >> >> >> > -------------------------------------------------------------------------------- > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html >