It has been reported as a means of safe sex for human immunodeficiency virus (HIV) positive patients and has a lower risk of infection than peno-vaginal sex. Knowledge of intercrural sex that was extracted from studies and its relationship to AIDS and pregnancy is low. In South Africa, it was used to combat acquired immunodeficiency syndrome (AIDS) this practice was eventually phased out. In Africa and parts of Asia, the practice is normalised and is carried out among heterosexual and homosexual males. In modern times, intercrural sex is commonly practiced in relationships of various orientations adult women are said to use it to stimulate orgasm and in Paris, it was commonly performed as a part of prostitution. In the 17th century, intercrural sex was featured in several works of literature and it took cultural prominence, being seen as a part of male-on-male sexual habits following the trial and execution of Mervyn Tuchet, 2nd Earl of Castlehaven, in 1631. It later became subject to sodomy laws and became increasingly seen as contemptible. It was a common practice in ancient Greek society prior to the early centuries AD, and was frequently discussed by writers and portrayed in artwork such as vases. Intercrural sex, which is also known as coitus interfemoris, thigh sex, thighing, thighjob and interfemoral sex, is a type of non-penetrative sex in which the penis is placed between the receiving partner's thighs and friction is generated via thrusting. In modern terms it might be regarded as frotting. Kilmer, depicts "the position most commonly adopted". SpartanĪBS A1, Towing Service, Escort Vessel, AMS, UWILDĢ x Caterpillar 3512E, each 2,550 hp (1,901 kW) at 1,800 rpmĢ x Berg Propulsion MTA 628 fixed-pitch propellers 2 x ABBĢ x Caterpillar C18, each 565 kW Caterpillar C7.The earliest example of intercrural sex in an artwork it, according to the author of Greek Erotica Martin F. RAL said that the design for these tugs also includes arrangements that will allow for the future installation of batteries to help further reduce emissions.Ĭlick here for more news and gear stories, feature articles, and vessel reviews as part of this month’s focus on the tug and salvage sector. The new tugs represent Seabulk’s initial investment in hybrid-powered towing assets and will operate as part of the company’s existing harbour support vessels in the Gulf of Mexico and the US East Coast. Homeported at Port Everglades in Florida, Spartan – as well as its yet unnamed sister vessel – will operate alongside two earlier RAL-designed tugs in the Seabulk towage fleet. The crews are housed in four staterooms with a total of eight berths. The tug is also equipped with two 10-person liferafts from Viking Life-Saving Equipment. The deck equipment include a forward hawser winch and a hydraulic capstan on the stern as part of a Jonrie Intertech package. To help reduce wear on the engines, the tug can sail under its own power using just one generator. Photo: Berg Propulsionīesides being capable of delivering a bollard pull of 90 tons (81 tonnes) and a speed of 12.6 knots, the hybrid propulsion ensures high levels of redundancy and allows the tug’s crew to easily switch among various operating modes – main engines only, generators only, or both to optimise fuel consumption – when needed. An integrated hybrid electric propulsion system includes two US EPA Tier IV Caterpillar 3512E main diesel engines that each produce 2,550 hp (1,901 kW) at 1,800 rpm, two Berg Propulsion MTA 628 fixed-pitch propellers, and two ABB propulsion motors and associated Berg variable frequency drives.Īuxiliary power is available in the form of Caterpillar generators – two C18 565kW sets and a C7.1 200kW unit – that also supply power for an electronics suite that includes two radars and a compass from JRC, an autopilot and pilothouse consoles from Alphatron, and a Furuno depth sounder. The all-steel tug has an LOA of 98 feet (29.87 metres), a beam of 43 feet (13.1 metres), a design draught of 18.5 feet (5.64 metres), and a gross tonnage of 297. Named Spartan, the Robert Allan Ltd (RAL) designed newbuild is the first in a series of two tugs that are built to meet US Coast Guard regulations and classed through the American Bureau of Shipping (ABS), including escort notation. Master Boat Builders of Alabama recently delivered a new hybrid electric ASD escort tug to Florida-based the Seabulk Group for operation by its Seabulk Towing Services business unit.
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