Aircraft Spruce Australia
Melbourne, VIC Australia
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Assf-02 Mid-Size Slime Fighter 160Hp-220Hp
MFR Model# ASSF-02
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Overview
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Note: Pictured hoses are only included on RV-10 model. Over 1000 Slime Fighter air/oil separators are now flying worldwide. This unique design eliminates the requirement for a separate drain return line which allows installation in minutes instead of hours. The lack of a return line also eliminates a potential failure point. Slime Fighters do not require mounting to a baffle or to the firewall. All Slime Fighters mount in-line with the breather tube and, due to the location and angle of the canister, the oil drains back into the crankcase through the crankcase breather exit port. The end result is the easiest to install, lightest weight air oil separator with the fewest possible connections. The benefits are lower oil consumption and a clean belly. Flow bench testing shows that Slime Fighter separators offer the lowest back pressure of any of the popular air oil separators for experimental aircraft. Airflow Systems now offers the Super Slime Fighter for large Lycoming engines as found in aircraft such as the RV-1 0, Glassair III and the F1 Rocket. Designed with ease of installation in mind, the unit installs in 30 minutes with no additional drain line required. Instructions are included. The air cooled engines found in most aircraft operate over a wide temperature range when compared to the typical liquid cooled engine found in most automobiles. In order to operate properly at the upper end of the temperature range, the clearance between pistons and cylinders in aircraft engines is greater than the clearance found on liquid cool engines. A frequent byproduct of this greater clearance is more crankcase “blowby.” Blowby is the mixture of oil and air that exits the crankcase vent tube and covers the bottom of your aircraft with an oily film. Air oil separators have been used on aircraft engines for many years. An air oil separator is typically a canister with an inlet from the crankcase breather tube, baffles inside the canister to collect and condense (separate) the oil from the air, an exit for the cleaned air, and a drain to return the collected oil back to the crankcase. This style of separator is often mounted to the firewall or rear engine baffle and drains into a dedicated entrance to the engine that must be drilled and tapped into the crankcase. The unique design of the Slime Fighter eliminates this extra return line allowing for a lighter, simpler installation. |
Reviews
Works better than I thought it would. It requires at least a 15 degree tilt, and I mounted it close to the crankcase. Tight fight for my engine compartment.
Great product. Easy install. Eliminated 90% of blow-by oil. An occasional drop of oil gets past unit. Belly much cleaner.
Q&A
Please note, Aircraft Spruce Australia's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Australia assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
Per Manufacturer: "The standard one is 1.875 OD and has .750 dia. nipples. The two larger sizes use 2.00 OD tubing and have either .750 or 1.00 dia. nipples."
It comes with 2 hose clamps but no hoses.
The length of the body of the medium super slime fighter is 3.25 inches. This does not include the ducts.
No, this is for experimental aircraft only.
Yes, it may be cleaned with acetone and dried for 24 hours.
The length of the base of the unit is 3.18". The diameter is 2.25 and will have a 1" inlet/outlet. These units have not been tested in cold climates but there hasn't been any reports on issues on them being used in cold weather. It is recommended to have these units removed an cleaned every 100 hours or 1 year.
