Military Brigg

[bc.gold 3,403]

My neighbour gave me this Briggs engine this morning, from the looks it's military surplus.

 

It's a generator, Scotty told me it will light up a bulb but only dim, asked if the bulb was 120 volts and he re-plied that it was so i suspect the required bulb would be 12 volt marine type.

 

Given the time I'll remove the cover to see how the engineers have wired for external power.

 

in the meantime the unit has some neat features.

 

OSHA approved cold weather start, yea we got that.

Air filter minder.

Fail proof rope start.

 

 

 

 

 

 

[ebinmaine 67,279]

Pretty cool.

I have a '76 Chrysler single cylinder military engine that will be used in Trina's next tractor build.

[bc.gold 3,403]

The brass valve connected to the firebox must have been connected to the fuel supply. When the button on the end is pushed and held open gasoline trickles into the firebox.

 

I'm going to remove the air shroud and have a peeksee, will post my findings.

 

[bc.gold 3,403]

Found the manual, there's an alternator tucked in behind the flywheel.

 

Item number 9 - alternator.

 

[bc.gold 3,403]

The Briggs was originally part of this ground support heater.

 

H-1 Ground Support Heater, 400000 BTU/HR HUNTER MODEL PH-400-G

 

DAYTON, Ohio -- H-1 Ground Support Heater on display at the National Museum of the United States Air Force. (U.S. Air Force photo)

 

Ground support heaters are used to pre-heat the cabins and engines of aircraft during cold weather. This portable heater, manufactured by the American Air Filter Co., was used by ground crews of the 89th Military Airlift Wing at Andrews Air Force Base, Md., in support of various aircraft, including VC-140Bs. The 89th restored the heater and then donated it to the museum in July 1987.
 

 

 

 

 

[bc.gold 3,403]

Someone please shed some light, this IC Briggs uses ball bearings on the mains.

 

[bc.gold 3,403]

Exploded parts view 5 HP IC Briggs domestic use, no ball bearings used on the crankshaft.

 

[bc.gold 3,403]

Looks like I have the Briggs dual bearing Raptor engine.

 

[ebinmaine 67,279]

Mil-spec perhaps?

[bc.gold 3,403]

Couple more pictures, the Briggs appears to be a The Briggs Raptor 1 industrial based 5 horsepower flathead model 13 engine.

 

Engine shipped from factory with ring gear for a manual start, piston is standard with the cylinder hone marks still visible/

 

I'm not a collector of Briggs nor have I been a fan of them.

 

Raptor I

The Briggs Raptor 1 was an industrial based 5 horsepower flathead model 13 engine.

Raptor II

The second Raptor, released in the 1980s, saw an upgrade to four horsepower standard. This would be the year that Briggs introduced the aluminum-bore dual-bearing block. It had a cast-aluminum connecting rod that decreased internal mass and improved engine life.

Raptor III

Released in 1995, the third and final Raptor, the Raptor III, had five horsepower. The only thing different from the II was that this one had a cast-alloy crank with a carbon-infused piston. This engine sold phenomenally, however, and almost phased out its two predecessors. Hundreds of thousands of these engines remain in service today, and are the best-selling racing engine of all time.

Production counterparts

All Briggs flatheads since the introduction of the II have been designed after the racing engine, most notably the I/C. However these engines have none of the racing parts.

The BlockZilla

The Briggs & Stratton BlockZilla motor is a more advanced form of the earlier Raptor motor. The block is built up to handle more power. This means that the block is about 6 lb (2.7 kg) heavier and has much more structural integrity. Also the exhaust and intake ports are set on an angle. In all, this motor is built to race, but the Raptors II and III are choice among many race teams.