Sculling oar gearing. How long are your oars and what is the ratio for the outboard to the inboard? Small boats versus large boats. Below, we have provided some basic recommendations for spread/span, inboard and overall oar length for each boat class. The borderline between the inboard and outboard being the oarlock. Some of the basic rigging concepts, including inboard and length are outlined below. For a given rig, a longer oar gives a higher gear (heavier load) than a shorter oar. The outrigger attaches at the portage yoke using the pads and runs across the gunnels where they are attached to side mount oar sockets with 1/2 inch carriage bolts embedded in the outrigger. 287-292cm length range Collection from Putney Embankment or Rigging to gearing Gearing to length of the oar Gearing to handle length Standard boat speed calculator The gearing is usually set the same for all rowers in a crew, though a particularly tall or strong oarsman may have a different gearing to accommodate them. The gear ratio is calculated slightly differently for sculling and sweep boats. As the boat gets bigger, you carry less mass because it's shared between more Feb 12, 2026 · Concept2 sculling oars Bigblade Vortex edge spoons New sleeves, collars and vortex edges. As blade shapes have morphed into new shapes, a rowing oar's blade type and gearing relationship have become clouded. Sculling: Sweep: where is the overall oar length, is the inboard length, and is the spread Feb 20, 2026 · I designed a very simple stationary rowing rig for use in a tandem canoe. Oars used with sculling are shorter and fall between 274 and Spread The distance between the two pins on a sculling boat, or the distance between the pin and the center line of a sweep boat. app The four possibilities to change the gearing. Sep 30, 2025 · Sculling with a single oar off the transom is the ancient art of propelling a vessel with a figure 8 or "falling leaf" motion. The actual oar sockets are top mounted at the end of the outrigger. Spoons sanded back and primed in white. In a faster boat (e. Oar length, along with other variables like spread, blade size, blade type, inboard, catch angle, and so on, determine the boat gearing, also known as rig or rigging. Concept 2 lists the average length of their adjustable oars as being between 362 and 378cm, depending on what oars you get. Feb 12, 2013 · It’s measured down the center line of the oar from the tip of the handle, including the rounded edge on most Concept 2s, all the way to the end of the blade. A proficient sculler can easily move large vessels efficiently, bring them to a stop, and even sculling them backwards! There are many instructional videos and articles available online to lear Oar gearing Let's start with oar gearing. 5 Stronger and more experienced rowers can have higher gearing and beginners and weaker rowers need lower gearing to maximize performance and reduce injury. Dec 29, 2016 · Setting one’s boat and oars up is very particular to either the athlete or the crew. These should be considered a starting point, but will certainly help get your rigging started down the correct path. 7 With oars that are 245cm long, outboard = 175cm, so gearing = 175/70 = 2. Feb 20, 2026 · I designed a very simple stationary rowing rig for use in a tandem canoe. With oars that are 260cm long, outboard = 190cm, so gearing = 190/70 = 2. Oars for a sliding seat rowing system (sculling oars) need to be much longer than standard oars used for fixed seat rowing. e. You have to carry your share of the total mass of the hull, riggers and oars. Oar gearing Let's start with oar gearing. Clams Jan 14, 2017 · Oar setup differs between boat categories, rowing classes, levels & genders ‘Arc & Angle Setup’ Method suitable for aligning crew members (by angles & in time) If angles still require adjustment to match the angles & the timing of the oars with the crew, further changes can be done by adjusting: In sweep-oar rowing this arc (x + y) is about 90° and in sculling about 110°. an eight) you want more work in front of the pin, and in a slower boat (e. A chart showing range for C2, Croker, Dreher The overall length and inboard, along with other variables—spread, blade type, catch angle, seat and footstop height—determine the boat gearing or rigging. Let's clear it up a bit. Or the ratio between outboard length and the inboard length. Also, the greater the spread, the smaller the arc that your oar blades sweep through the . Spread interacts with the inboard setting to determine the overlap of your hands when the oars are perpendicular to the boat. g. the outside hand should be able to pull to the finish without having to bend the wrist out as the stroke comes in to the 01:00 It's all about gearing. a pair) more work behind the pin. Yes, yes, yes! Of course this is a simplification. Understand how to gear sculling oars for masters based on age, skill and flexibility. In a single scull you are carrying around 14-17kg. The gearing is calculated by dividing the outboard length of an oar by its inboard length. Jeroen Brinkman's rowingcoach. You also want the athlete to be comfortable in the boat, i.