R/C SBD Dive Bomber
Craftsman: Mike Rapp
Catalog #: 2019.19.1
Donor: Mike Rapp
This radio-controlled SBD dive bomber airplane was built and donated by Mike Rapp. The dive bomber took about two years to build.
R/C Steam Tug Fergus
Craftsman: William F. Brown
Catalog #: 2014.33.1
Donor: William F. Brown
This live steam, radio controlled tugboat model, Fergus, is a hefty five feet long. It’s boiler is heated by propane and it has sailed many hours on the water around San Diego.
Racing Class Model Airplane
Craftsman: Joe Bridi
Catalog #: 2015.34.3
Donor: Joe Bridi
This racing class model airplane was built and used by Joe Bridi from 1974-75.
Racing Thunderbird Model Airplane Engine
Craftsman: Scott Motors, Inc.
Knapp Collection #: 142
Catalog #: 2008.16.22
Contributor: Paul Knapp
A Racing Thunderbird (Hayward-Connelly) engine, manufactured by Scott Motors, Inc. The engine is 5”-long, 4”-wide, and 6”-high.
RAF S.E.5 Paper Airplane
Craftsman: Huntly Briggs
Catalog #: 2015.21.3
Donor: Huntly Briggs
This detailed paper airplane is modeled after an RAF S.E.5.
Railroad Section Car
Craftsman: Birk Petersen
Catalog #: 2016.15.27
Donor: Mark Petersen
A railroad section car or handcar operated by the up/down strokes of a central hammer by a crew of one or two.
Ram Water Pump
Craftsman: Birk Petersen
Catalog #: 2016.15.76
Donor: Mark Petersen
Birk’s miniature hydraulic Ram water pump takes water from one source and lifts a portion of it to a higher elevation.
Rasp Holder
Craftsman: Unknown
Catalog #: 2011.17.1
Donor: Norman Palmer
This brass rasp holder is used or woodworking.
Rat Rod Tether Truck
Craftsman: Doug Parker
Knapp Collection #: 495
Catalog #: 2016.47.1
Contributor: Paul Knapp
The Rat Rod tether truck measures 7-3/4″-long, 2-5/8″-high, and 3″-wide at the rear tires. It was machined from aluminum and steel bar stock.
RC Formula 1 Pylon Racer
Craftsman: Lyle Larson
Catalog #: 2011.6.1
Donor: Joe Martin
This RC Formula 1 pylon racer is brand new, having never actually been flown.
RCS 400 5-Cylinder Radial Airplane Engine
Craftsman: Moki, Inc.
Knapp Collection #: 201
Catalog #: 2008.16.43
Contributor: Paul Knapp
This RCS 400cc radial burns a gasoline/oil mixture on spark ignition. The unique electronic ignition utilizes a miniature high tension coil located at each spark plug.
RCV .60 Engine
Craftsman: RCV
Catalog #: 2012.19.7
Donor: Joe Bridi
This RCV .60 was made in England, and operates on glow ignition. The 4-stroke engine put out 0.9 HP on 10% nitro, and offered a 2:1 gear reduction.
RCV 60 Sleeve Valve Cutaway Engine
Craftsman: RCV Engines
Knapp Collection #: 271
Catalog #: 2011.27.39
Contributor: Paul Knapp
This RCV 60 sleeve valve cutaway engine was designed and built by RCV Engines. The cylinder liner rotates one time for every four strokes of the crankshaft.
Rearwin Speedster
Craftsman: Ralph Sarosi
Catalog #: 2013.35.12
Donor: Joe Bridi
A wooden model Rearwin Speedster airplane. Originally designed before the Great Depression, only two protypes were built before production ceased.
Reciprocating Saw
Craftsman: Theodore Carder
Catalog #: 2021.11.4
Donor: Susi Trumbo
Like many of Theodore Carder’s small engineering projects, this reciprocating saw is actually functional.
Rectilinear Demonstration Model
Craftsman: Birk Petersen
Catalog #: 2016.15.79
Donor: Mark Petersen
Birk Petersen built this hand-cranked rectilinear demonstration model.
Red Wing Stationary Engine
Craftsman: Harold Beckett
Knapp Collection #: 64
Catalog #: 2009.9.07
Contributor: Paul Knapp
Harold Beckett built this 1/4 scale model Red Wing stationary engine from a casting kit in the mid-1990s. It has a bore of 1.125″, a 2″ stroke and burns gasoline on spark ignition.
Replica Stevens Crack Shot Rifle
Craftsman: Birk Petersen
Catalog #: 2016.15.137
Donor: Mark Petersen
Birk built this small Stevens “Crack Shot” boy’s rifle replica.
Replica Stevens Marksman .22 Boy’s Rifle
Craftsman: Birk Petersen
Catalog #: 2016.15.131
Donor: Mark Petersen
Birk built this fine replica of a Stevens “Marksman” .22 caliber boy’s rifle from scratch.
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