O.S. Engines has an affordable new .21 8th scale buggy race engine called the XR-B. The XR-B was designed to put out good power at a reasonable price point, yet can be upgraded as yours skills improve. Some of its features and specifications include-
* A blue-anodized aluminum head keeps the engine cool under harsh conditions
* Simple, adjustable carb features easy tuning
* Shares the same basic layout as the ultimate high-performance 21XZ-B engine
* Can be upgraded with 21XZ-B parts
* Displacement: 0.213 cu in (3.49 cc)
* Bore: 0.641 in (16.27 mm)
* Stroke: 0.661 in (16.8 mm)
* Practical RPM Range: 4,000-40,000
* Output: 2.4 hp @ 33,000 rpm
* Weight: 13.1 oz (370 g)
* Part #OSMG2055
Street price for the XR-B is $230 and they should hit hobby shop shelves in a couple of weeks. Hit up THIS link for more information on the XR-B, and hit THIS link for more O.S. Engine news right here on BigSquidRC.
New from O.S. Engines is the 12XZ Speed Spec III engine. The guys over at O.S. keep squeezing every little ounce of power out of these things! The outer head is 1mm shorter and sits 6mm lower over the crankcase for a lower center o gravity. The crankshaft has DLC coating and pressed-in Tungsten weights with a ceramic bearing. The cylinder liner is slightly thicker with all new redesigned ports for better flow giving a boost to mid-speed while giving a better fuel millage. It also offers a redesigned carburetor with a better throttle response.
Displacement: 0.128 cu in (2.1 cc)
Bore: 0.543 in (13.8 mm)
Stroke: 0.55 in (14.0 mm)
Practical RPM range: 5,000-44,000
Output: 1.73 hp @ 35,000 rpm
Weight: 7.9 oz (225 g)
Includes: 12F2(B) carburetor, RP6 glow plug, exhaust seal ring, dust cap set, 5.5 mm red carb reducer.
The part number is OSMG1992 and the tuned pipe set number is OSMG2973. Retail price on the engine is about $450.
New from O.S. Engines is the 12TG VII engine. It has a two-piece head and 12FB slide-valve carb. It’s ROAR legal for all you folks who need that sort of thing. Seems like we rarely get to talk O.S. or nitro with all the ‘electric’ news lately, but for the diehards, O.S. is still cranking out some sweet engines.
If you’re looking to really dominate in the 1/8 scale on-road scene, you may want to take a look at these new 21XZ-R nitro engines from O.S. Engines. Both can run a full 10-minute heat on just one tank of fuel, instead of two. These are the same motors that were responsible for bringing home a 4th and 5th place finish at the On-Road Worlds in Miami. Each have a 3.49cc displacement and produce nearly 3 HP at 33,000 RPM. Both should be avaliable in early August and should both come in under $500.
Here’s a bit of interesting news from the aircraft side of the hobby. O.S. Engines is tossing their hat into the brushless electric ring. Their new line of brushless aircraft motors, which they are calling O.S. Motor, were designed in-house by O.S. engineers, and have quite a few unique features. In particular their centrifugal cooling fan which is designed to draw in cool air through specially angled vents that direct air through the windings and over the magnets. The first line of motors will be available in sizes equivalent to .25, .30, .40, and .50 size nitro engines.
But us in the car world will be interested to know that O.S. is also planning on releasing car specific brushless motors. Though they don’t offer any additional details at this point. Keep an eye on the O.S. Engines website for more info.
O.S. Engine has some new RP8 Turbo Glow Plugs – Cold for all you .21 VZ-R or 12TR engine runners to keep that performance hot while keeping your engine cool. They are compatible with 25% or higher nitro fuel, and are perfect for serious on-road competitors. They are avaliable as you read this for a street price of around $15.
Make sure you check out the OS Engines website for all the details!
O.S. is ready to put another engine on the shelf for you to buy. The .21 XZ-B Speed has all kinds of new features on it. The fuel efficiency of this engine has been improved by 8% over the non-speed version .21 XZ-B. The cylinder head had been made 9mm shorter than the .21VZ-B Speed, the center of gravity has been lowered, and it comes with the new 21J2(B) three needle, double adjust carb, ceramic crankcase bearings, and a P3 glow plug.
Retail for this hunk of black metal is going to be $749.99 and it should be hitting shelves very soon, if it’s not already there.
O.S. Engines is releasing the engine they have had some bragging rights with lately. The engine that helped Mark Pavidis and Atsushi Hara get to the winners podium will be available in October. The engine is the O.S. Speed 21XZ-B has a new design that delivers instant throttle response, high torque, and all while being more fuel efficient!
Head over to the O.S. Engines site for more details to make you drool!
Wowza, O.S. Engines has a new O.S. .21 VZ-B V-spec Limited Edition engine coming out. How limited? There will be only 300 numbered engines! The 300 will have a specially modified cooling head with 16 machined holes for lighter weight and anodized in gold! The top features graphics to signify all four IFMAR World Championships won with the VZ-B engine. So not only do you get a top of the line engine, but you get some serious points for the bling factor!
Don’t forget the 2009 Futaba / OS Engines Nitro Challenge coming up this weekend. I mention it .. not only because I dig Futaba and OS engines, but because they are even including a 1/8 Scale Electric class this year! Cool.
Afraid I won’t be there because we have our own event, BASH-A-PALOOZA Sunday August 16th!
Good luck to everyone that attends! Go support 1/8th scale electric!
Looks like O.S. Engines has a new version of their popular OS 12XZ. The newly designed O.S. 12XZ ABC 12F Slide Engine is setup to max out low to mid speed torque. It has a new crankshaft, new connecting rod, and port improvements.
If you are looking for a new engine, OS is always at the top of my list.