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Waaaaaaaaaay back to the beginning
The first made for racing outboards sold to the public were made by Caille in 1925. They were opposed twins with piston port intake. What set them apart from the Caille fishing motors was a streamlined lower unit.
http://forums.screamandfly.com/forum...tid=5978&stc=1
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Another name enters racing
Ole Evinrude had been making a 4 cylinder opposed motor for a few years and in mid 1928 came out with a racing version of it as the "Hi Speed Quad" ELTO (Evinrude Light Twin Outobard).
Though not explicitly advertised and sold as a racing only motor, the "Hi Speed Quad" model 308, did quite well as a racer. Actually the 308 model number was given later probably when ELTO was consolidated into OMC. All the Quads used four separately cast cylinders on a common crankcase with the center main bearing dividing them in to two chambers. Each crankcase chamber had its own Tillotson carb. Battery ignition made by Atwater Kent provided spark from two front mounted ignition coils. The speedy new ELTO used light weight “Lynite” aluminum pistons and connecting rods instead of the standard Quad's cast iron pistons and rods. To reduce friction the Hi Speed Quad used 1/8 inch wide piston rings compared to the standard 3/16 rings. The streamlined lower unit used 16:24 gears and the housing was two pieces bolted together, split horizontally. This motor was rated at 18 hp at 4800 rpm. At 39.9~ cubic inches this motor fit in class D.
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Very fast non-racing model from another brand
Lockwood had 2 models that won a lot of races in the mid 20's without being special racing motors. Other companies' racing models already mentioned may have been made to try to keep up with Lockwood's standard models:
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1929 Lockwood 92BR Racing Chief
Thanks, Peter! :)
2 carbs, the smaller flywheel off of the 1928 Ace, the red gas tank
look closely between the flywheel and the gas tank and you will see a glass cylinder with brass top and bottom. That is the oil resevoir to directly lubricate the bearings, that Peter has mentioned.
.... I'm sure "Irggy" put more goodies inside than out.
The 92BR has very distinctive squarish intake horns in front of the carbs.
Power was increased from 11hp at 4,200 rpm to 14 hp at 4,800 rpm
The 92BR weighed about 75 pounds
This 92BR belongs to Mike Lynch:
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Caille replaces the 30 with the 34
In 1929 Caille had 2 racers in the stable. The model 34 "Champion" replaced the model 30.
The Champion claimed 14 hp at a remarkable 6,500 rpm.
Attachment 55848
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Caille model 44 "Monarch" racer
“Monarch” model 44 a new racing model to compete in class C. The Monarch was below its maximum potential in class C because it was just 23.75 cubic inches, 6 ¼ cubic inches under the 29.99 limit for C motors. The bore was 2 3/4 by 2 stroke.
The Monarch used a single Tillotson MS21 carb, the Bosch ignition and the same tractor lower unit.
Attachment 55850
All packed up..and off to a boat race!
Sam- What a great picture! I get a kick out of the trailer! The point that this illustrates is that back in the mid-to-late 20's, they were doing the SAME thing that we are doing. Just a thought when we see these photos and laugh to ourselves- they did it 75 years BEFORE we did it!
The boats aren't Cute-Crafts... similar but Cute-Craft didn't have a stepped bottom. Cute-Craft had a concave bottom like a sea-sled. This might be a pair of Hooton step hydros.
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Some things haven't changed
Some things just don't change. Look at these boats jammed up in the first turn in 1929 or 30.
In the second image see if you can help me identify the motors.