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G'Day Gents,Research excercise. Anyone have any comments regarding said substitution of alloy. I have spec sheets on both and they are very similar. I is my understanding that 6061-T6 is actually the least expensive and most versatile of the heat treatable aluminium alloys.Any info would be appreciated.Mitch.www.thebutterflyllc.com
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Greg,May I refere you to the "Bible"....................................."Alumi nium Standards, Data and Design" Available from the Australian Aluminium Council Limited, 16 Bougainville St Manuka ACT 2603 Australia, Tel (02) 6295-7300, Fax (02)6295-7514Email; aust.alumin@netinfo.com.auWebsite http;//users.netinfo.com.au/aluminiumAll the bestPete Barsden
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Hi MitchThe Skyranger is manufactured by Aeros Ltd in the Ukraine by ex-Antonow engineers to very high standards. The fuselage construction is patented and features:- No welded tubes - Only straight tubes are used - No composites for structural components - Main structure is of aircraft grade 2017 aluminium tubing. Other parts are made from stainless steel and plated mild steel EN AW-2017Construction material of medium density, chip workable, low chemical resistance, intragranular corrosion sensitive, inclined to split during welding. Good formability when heated, suitable for annealing and hardening, low formability in hardened temper. Cool forming increases solidity of aluminium alloy. Suitable material for aircraft components and aircraft construction, railway carriages, automobiles and other vehicles, especially suitable for rivet and mechanical jointing construction. Typical products: propeller blades, fan blades, fan centre-bore cap, etc.The best website that was found for the many key characteristics is http://www.aec.org/cyberg/aluminumoverview.htm. The aluminum has different impurities depending on the series that has to be used in the process. In extrusion, the 6000 series is a universal series. The series has magnesium and silicon mixed with the pure aluminum. "They are often used in aircraft in preference to the non heat-treatable alloys. Heat-treatable alloys commonly used in aircraft construction (in order of increasing strength) are 6061, 6062, 6063, 2017, 2024, 2014,7075, and 7178 (Intergrated Publishing, 1998)."AML - Aluminum All-Purpose Ladders For Use On All Types of Aircraft- 4 gussets per step for strength- 4" ribbed channel steps- Channel side brace 2" X 1"- 1 1/2" angle foot standard- Primarily 6061-T6 marine grade alloy construction- 3/16" solid aluminum rivets- 20" X 20" ribbed extra-sturdy work platform- 5" rigid Tilt -n- Roll casters standard- Optional towing feature available- 1" square aluminum tubing handrail system available (optional safety chain available)- Parts list available upon request- Meets or exceeds all applicable OSHA and/or ANSI standards as we interpret them. RegardsStan Rucinski
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Greg,Is this purely an accademic exercise or are you wanting to make/substitute something in a different alloy.All the bestPete Barsden
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Thanks Stan,I sent you an email www.matweb.com allows for Comparison Basket to see comparative data, side by side in adjacent columns. Info surfing, joy, joy!!Hello Pete,How's the West treating you Mate? We are talking the possibility of substituting 2017-T4 for 6061-T6 for possible use in manufacture of rotor heads, head and keel plates, mast, keel and all other tube sections on gyro's. The web site I listed above and the one Stan listed give the same figures and the data is similar and some have suggested the use of 2017-T4 as a superior product for the application.I seek guidance and advice with respect to this info.Australian V NewZealand League match about to come on, bloody midnight for an International Game. One of the downsides to living in Tassie.Cheers,Mitch.www.thebutterflyllc.com
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Any Technical Advisors care to comment.Mitchwww.thebutterflyllc.com
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Dont really know much about the technical differences of the two products but you have to ask yourself if you want to be a test pilot for a different material?. Thousands of gyro's flying with 6061 T6 and no problems,why change ?.M Barker
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Locally available product, 2017-T4 superior in all aspects bar corrosive resistance and with anodising and perhaps epoxy paint rather than but not excluding powder coating, then ASRA says go ahead if you wish. (Eg: 2024 listed as poor corrosive resistance, 2017-T4 good corrosive resistance, 6061-T6 excellent corrosive resistance.)Cheers,Mitch.www.thebutterflyllc.com
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