LR-1 aka Honroth Special 1947 = 1pClwM; Continental. In its first Goodyear competition, when rounding the first pylon, this racer twisted its frame so badly it limped in and was immediately retired from flying [NX/N5595N].
A 1936 = 2pOB; 90hp Curtiss OX-5; ff (possibly): 3/24/36. POP: 1  c/n 1. Sold by Rackett 7/7/36 and repurchased 10/21/36. Reg cancelled 11/1/37 for unstated reasons.
1911 = 1pOhwM; pusher engine; Louis Ragot. Canard design with framework fuselage, based on the White design.
Rahn [NX13247] (Popular Aviation)
1910 = 1pOB; 28-32hp (French) Crout pusher; span: 33'0" length: 28'6". Curtiss-inspired design made of bamboo and silk, built in the home of those newlyweds and assembled in their front yard. In it Bessie Raiche flew on 9/16/10, with no prior instruction or experience. Although her flight was short and only a few feet high, she is generally credited as the first woman in the US to solo an airplane. The couple went on to build and sell two more similar models in their early "cottage industry."
Flying Bath Tub 1931 (?>1933) = 1pOhwM; 30hp Aeronca E-107; span: 32'0" length: 23'5" load: 300# v: 70/60/x. Side-by-side design based on the popular Dormoy ultralights; engine was pedestal-mounted above the nose. .
R&B Special SEE DARA
Rand M-1-CK SEE Mohawk
KR-1 1972 = 1pClwM rg; 36hp VW 1200cc; span: 17'2" length: 12'6" load: 290# v:150/130/42 range: 748; ff: 2/x/72 [N1436]his prototype was later refitted with 90hp VW 2074cc; load: 420# v: 220/220/42. POP: 700+ flying by 1999.
KR-1B 1940 = Powered glider version. 1pClwM; span: 27'0".Rand KR-2 (Alaska FAA)
KR-2 1974 = 2pClwM; 90hp VW 2074cc; span: 20'8" length: 14'6" load: 360# v: 180/170/45 range: 2000; ff: 7/x/74. POP: 1200+ flying by 1999.
KR-2S 1993 = Stretched version. 2pClwM; 80hp VW 2180cc; span: 23'0" length: 16'0" load: 460# v: 200/180/52.KR-3 1977 = 2pCmwMAm; 80hp VW 2100cc.
M-1 1928 = Trainer. 2pOB; 100hp Kinner; span: 27'0" v: 100/80/x.  c/n RS-1.
SEE ALSO Coffman
1929 (ATC 2-145) = 3pChwM; 90hp Curtiss OX-5; span: 37'0" length: 23'6" load: 817# v: 125/95/34 range: 650. Sam Coffman. Modification of 1927 Coffman with floor-mounted control dual sticks and new rudder design. POP: 1 [NC889N], flew successfully until placed in storage during WW2. Its remains were located in Okeene OK in 1962, and reportedly restored. One other [812N], actually built by Coffman, is more often credited as a Ranger.
Ranger C-1 Racer [NR10421] (Frank Rezich coll)
Cadet 1930 = 1pOmwM; 65hp Velie M-5. Shoulder wing. POP: 1 [X11910]. Repowered with 75hp Detroit Air Cat by 1933. Some confusion lies in reports that Coffman and Miles Westfall built a Coffman Junior in the "early '30s" at Coffman's airport, which fits the description of this one and might well be.
SR-3-1 1931 = Unknown type with Szekely SR-3 .
Trainer c.1931 = 4pChwM; 110hp Warner Scarab. POP: 1 instrument trainer for Dallas School of Aviation.
W 1930 SEE Coffman-Ranger.
Rankin EX-1 [X12722] (Basil B Smith via Ralph Nortell coll)
RBM-4 1928 = 2pO/ClwM; 60hp LeBlond 5D; span: 37'1" length: 25'6" load: c.350# v: 100. Basil B Smith. $2,500; POP: unk. One appears in a 1936 register as 4pCM with a 200hp Wright [NC9622 (how the NC was acquired is unknown)] c/n 3, owned by brothers Alexander, Arch, and Charles Rankin of Wayne MI. Company promotion also told of a 3pOlwM with 90hp LeBlond 7D also in progress (load: c.500# v: 110), as well as an ambitious plan for a network of national distributors.
Rankin Collegiate SEE Porterfield
Rans S-4 Coyote [C-IGES] (Rans)
Rans S-6S Coyote II (Rans)
Rans S-7 Courier [N5909T] (Rans)
Rans S-9 Chaos [N70H] (Rans)
Rans S-10 Sakota (Rans)
S-11 Pursuit 199? = Research project in development late-1999 [N42991]. 1pClwM; 80hp Rotax 912. Composite materials. Lifting fuselage, twin-tails, tricycle gear.
S-12XL Airaile 1990 = Kit-built. 2pChwM; 52hp Rotax 503 pusher; span: 31'0" length: 20'6" load: 490# v: 100/65/32 range: 293 ceiling: 12,500'. Side-by-side seating. Rotax options to 80hp; optional wing tank for extended range; covering options included dope-and-fabric envelope. $12,110-23,900 with motor (1999); POP: 828 kits sold by Feb 1998.
Rans S-14 Airaile (Rans)
S-16 Shekari 199? = Kit-built. 2pClwM; 125hp Continental IO-240B; span: 24'0" length: 18'8" load: 520 v: 220/160/58 range: 853 ceiling: 14,500'. $21,000 less engine.
Rans S-18 [N3006R] (Rans)
Skippy 1933 = 1pOlwM; 65hp Rasmussen; v: x/150/x. Racer for the 1934 Nationals, and its radial engine (with four valves each), were both built by machinist Rasmussen; (p: Bill Kysor). After the races a top wing was added as a sport plane conversion .
Rason SEE Johns (PA)
1930 = 1pM; 50hp Rathel. Used as a motor test-bed. [633W] c/n 1.
Star 250 1960 = 12pClwM rg conversion of Beech D18-S with tricycle gear, cabin headroom increased by re-roofing the fuselage; span: 47'8" length: 41'6" load: 3848# v: 220 range: 1550.
R-1 1938 = 2pOlwM; 75hp Lycoming; v: 110/105/42. Herb Rawdon. Side-by-side cockpit. POP: 1 prototype, modified for cropdusting after tests by Army as trainer; the design was rejected.
Rawdon T-1 [N5161] (K O Eckland)
S-4 1929 = 1pCmwM based somewhat on Heath Baby Bullet with an externally-braced center-wing, intended for racing but, after an accident, it was reported by its test pilot, Clyde A Lee: "Did not turn good." [886H] c/n 108. Reg cancelled 12/19/29.
Tweety Bird 1973 = 1pClwM rg; 65hp Lycoming; span: 25'5". [N7GR].
Special 1948 = 1pCmwM; 85hp Continental C-85; span: 22'0" length: 12'9". Midget racer [NX1W] (p: J P Reaver); rebuilt from 1930 Nicholas-Beazley Phantom.
1928 = OB; 100hp Curtiss OXX-6. POP: 1 . Reference in register made to a Hiner as builder; possibly Bush was involved financially.
A 1927 = 5pOB; 90hp Curtiss OX-5. POP: 1  c/n/1. Repowered with 190hp Hisso E in 1936. Very possible involvement by Karl Beidenmeister (qv), who could have been the actual builder of the Red Balls, and that they were close copies of Waco 7.
1928 = 3pOB; 90hp Curtiss OX-5; span: 32'0" length: 23'6". Harry Frey. POP: unrecorded production, but apparently there were 4 produced by this company [276, 5173, et al]: one each 2p and 3p with 90hp Curtiss OX-5, one 2pChwM with OX-5, and a 4pChwM with 150hp Hisso.
Trainer 1932 = 2pOM; 40hp Ford A.  c/n RW-1A. A group effort, member names unrecorded.
Rocket 1930 = 1pOmwM; 60hp LeBlond; v: 120. Racer Shooting Star, aka Miss Quincy (p: Reggie Pattison) [NR12028], was destroyed in a hangar fire. Pattison was not overly successful in racing. The only time with a chance to win, he deliberately held back to get third place since that was the only spot with a cash reward. "You can't eat trophies."
1926 = 1pOhwM; 28hp Lawrance. Original creation by 15-year-old Reedholm got off the ground but only made one brief, straight-line junket as his unofficial solo flight, distance unknown.
Rocket 1947 (776) = 4pClwM rg; 260hp Continental; span: 31'0" length: 21'7" load: 900# v: x/185/54 range: 925. R S "Pop" Johnson. All-metal descendent of Johnson Rocket. POP: 1 [N77637].
Regent Rocket 185 [NC90204]
Texas Bullet 1950 = 4pClwM rg; 205hp Continental E-185; span: 28'0" length: 23'2" load: 950# v: 190/180/80. R S Johnson, from Johnson Bullet. All-metal. POP: 6. Advertised in 1960 as Sky Gem by Gem Aircraft Inc of Rexburg ID.
Rambler 1929 = 2pOSwB; 95hp Cirrus Mark II; span: 32'0" length: 22'6"; load: 595# v: 105/90/38. Production of this Canadian all-metal-framed and truss-braced, folding-wing sportplane was acquired by Curtiss. SEE Curtiss-Reid.
Reid RFS [N1740] (clip: Flugrevue 5/1969)
Remington-Burnelli SEE Burnelli
Remington-Burnelli (magazine clip)
1930 = 3pOM; 60hp Gnôme rotary. .
Gold Bug [N68642] (clip)
Golden Bullet GB-1 1958 = 1pCB; 65hp Continental A-65-8; span: 19'0" length: 17'6" load: 330# v: 140/80/55 range: 150. [N9090C].
REP-2 1977 = 2pClwM rg; 72hp VW; span:23'5" length: 18'0" load: 423# v: 142/124/76 range: 450; ff: 6/x/72. [N12RP]
T-Aero 1970 = 1pCmwM rg; 125hp Lycoming O-290; span: 16'6" length: 17'0" load: 250# v: 200/x/78 range: 500. T-tail, tricycle landing gear.
R-1 1930 = 1pOB; 40hp Rathel (Chevrolet conversion). Wood and fabric construction. POP: 1 [629W]. Repowered with 80hp Anzani. NOTE: While there are references found to Retz model designations up to R-10, some were only planned projects, and how many were actually built is up for contest.
R-2, -5 1930 = 1pOhwM; 40hp Rathel; span: 32'0" length: 23'0". POP: 1. Repowered with Ford Model A and a passenger seat added, apparently redesignated R-5 and sold in 1934; fate unknown. Retz built a successful mail-order business by marketing his home-builders plans in aviation magazines of the mid-1930s.
Retz R-10 [NR157551] (Ian MacFarlane coll)
Mini-500 1990 = Kit-built project, composite materials. 1pCH; 67hp Rotax 582; rotor: 19'2" length: 22'6" load: 355# v: 175/115/0 ceiling: 10,000' (hover ceiling: 7,000'). POP: about 475 reported built by 1998. Plagued by structural problems and mechanical failures in the late '90s.
Revolution SEE Warner
Rex (Roy Nagl coll)
Rheden (Chicago Historical Society coll)
Rhinehart-Rose SEE Rose
Twin Piper c.1967 = Piper J-3-65 repowered with two 48hp two-cycle Nelsons mounted outboard of the modified fiberglass nose hood on frame pylons as an experiment; v: 94 @ 4000rpm/65 @ 2000rpm/38. Empty wt: 601#; take-off run: 200'-250'; fuel consumption: 5.5 gph. Maintained altitude easily on one engine in tests, even gained some (slowly). Modification by Don Sullivan (Gettysburg PA). POP: 1 [N6411H) c/n 19591 (later reverted to Continental C-85). No further production as none was plannedstrictly for engine testing.
Silver Sixty 1960 = Conversion of Douglas B-26B. 14pCmwM rg; two 2000hp P&W R-2800-79; span: 70'0" length: 51'3" load: 14,500# v: 405/325/95 range: 1200; ff prototype: 6/25/60 [N5510V].
Special 1954 = 1pOB; 100hp Continental A-100; span: 21'0". Gull-wing biplane built up from parts of Taylorcraft, Piper Cub, Luscombe. [N64579]
Twin 1-X-A (or 1-X-2) 1939 = 2pClwM; two 75hp Lycoming GO-145 pushers; span: 35'0" length: 22'0" load: 600# v: 135/115/34 range: 375. Tricycle gear, plywood wings; motors were mounted on wing pylons. POP: 1 [NX23001].
125 Commuter 1969 = 2pChwM; 125hp Lycoming O-290G; span: 25'0" length: 19'9" load: 695# v: 150/140/50 range: 900. All-metal, side-by-side seating. [N1732].
150 Commuter 1972 = 2pChwM; 150hp Lycoming O-320-A2A; span: 30'0" length: 19'9" load: 490# v: 120/110/87. [N2367].
190 Sportplane 1969 = 1pCmwM; 100hp Continental O-200; span: 19'0" length: 16'6" load: 450# v: 250/x/67. [N2561]. Became Richard-Judy Special after modification in 1973 with a Lycoming O-360 and used by Louis "Bud" Judy for competition in Advanced Category.
1909 = 1pOB; span: 38'0" with wingtip ailerons. 34'0" upper and lower wings were bowed and joined at the tips. No flight record found.
1911 = Monoplane; 25hp unknown engine; span: 28'0" length: 18'0". POP: 1. Richardson had previously built gliders.
Hydro Aero c.1916 = 20p*OBF. Raftlike deck built on two pontoons, which could be replaced by wheels. *Claim of 20p is questionablein a photo of the aircraft, it seems suitable for holding no more than maybe six. Was considered by the Army for service in the 1916 Mexican campaign but never used in that role.
Richardson N-1 (Douglas Rolfe coll)
Sea Hawk 1928 = 5pOhwMFb; 160hp Curtiss C-6 pusher; span: 46'0" length: 28'0" load: 1000# v: 95/x/45. Fabric-covered wood wings, dural-covered wood hull; twin rudders. Although Richmond is credited as builder, there are indications that Cox-Klemin was involved to an unknown extent. Used chiefly for sightseeing flights.
Ric-Jet 4 1975 = 1pCmwM rg; Mazda RX2 liquid-cooled Wankel-type rotary engine with direct-drive up to 6000 rpm to a two-bladed tractor-mounted wood propeller behind the pilot; span: 18'0" length: 22'0" load: 230#; ff: 11/30/75. POP: 1 [N24RJ].
Rider, Keith Rider, Rider-Clark
B-1 1930 = 1pOlwM; 130hp Menasco C-4. All-wood construction. Racer (p: John A Macready) [NR10216]; destroyed after an aileron separated in flight at the 1930 Nationals.
Rider R-1 Rudy Kling and Suzy [RX51Y]
Rider R-2 [NX52Y] (Frank Rezich coll)
Rider R-3 [NR14215] (Frank Rezich coll)
Rider R-4 and Tony Levier [NX261Y]
Rider R-5 [NX264Y] (Arthur Martin coll via WASM)
Rider R-6 [NX96Y] (Frank Rezich coll)
Riggs, Riggs-Weeks, Riggs-Wehr
1912 = 1pOB pusher with two-cycle 36hp Fox 4 pusher. Wright B copy with quad gear built for a Dr Belden, sometimes noted as the Belden or Riggs-Belden. Flew, but crashed on its first flight by test pilot Piceller before either Belden or Riggs had a chance to fly it.
-Weeks 1915 = 1pOB; 80hp Hall-Scott V-8. An improved version of Riggs-Wehr with a fully-covered fuselage and two-bay wings with ailerons. SEE ALSO Weeks.
-Wehr c.1913 = 1pOB; 60 Hall-Scott V-8; span: 32'0". One of the earliest tractors in the US; partly-covered fuselage; three-bay Wright wings. Flew successfully in exhibitions until E O Weeks crashed at Fort Collins CO.
Riley Special ... very possibly, but unverified (Eric Blocher coll)
Riley Twin Navion [N4832K] (Frank Rezich coll)
65, 310R 1961 = Conversion of Cessna 310 to 310C; two 240-260hp Continental O-470D/-470M. Also developed the Riley Intercooler for Cessna 210 and 337.
Jet Prop 340 1978 = Conversion of Cessna 340; two Lycoming LTP101.
Jet Prop 421 1978 = Conversion of Cessna 421; two Lycoming LTP101; ff: 1/10/78.
Rocket 1962 = Same as model 65, but two 290hp Lycoming IO-540-A1A5.
Rocket 340 1977 = Conversion of Cessna 340; two Lycoming TIO-540-R; ff: 12/x/77.
Rocket 414 1977 = Conversion of Cessna 314; two 400hp Lycoming IO-720.
Super 310 1974 = Conversion of Cessna 310/320; two 310hp Continental TSIO-520-J/-N.
Super 340 1974 = Conversion of Cessna 340; two 310hp Continental TSIO-520-J/-N.
Turbine Eagle 421 1979 = Conversion of Cessna 421C; two 750hp P&W PT6A-135; ff: 11/x/79.
Turbine P-210 1982 = Conversion of pressurized Cessna 210P Centurion. 680hp P&W-Canada PT6A; ff: 6/30/82.
Turbo-Exec 400 1963 = Conversion of DH.104 Dove; two 400hp Lycoming IO-720.
Turbo-Executive, Dove 400 1963 = Conversion of DH.104 Dove; two 562hp Turbomèca Astazou.
Turbo Skyliner 1967 = Conversion of DH.114 Heron; four 290hp Lycoming IO-540-K1C5.
Turbostream 1969 = Conversion of 310I/-310Q, two 310hp Lycoming TIO-540-A2C.
Rinehart-Whelan [X91M] (Eric Blocher coll)
Dayton-Wright KT before reconstruction (Vincent J Berinati coll)
Rambler aka Chummy c.1926 = 2pOB; 90hp Curtiss OX-5. Single side-by-side cockpit. An advertisement in Aviation shows this plane, also has reference to "Five-place Hisso-powered planes at remarkably low prices ..."
Wren 1928 = 1p unknown type; Baumann motor. [X87E].
Voisin 1909 = 1pOB; 30hp Rinek V-8 pusher; span: 32'9" length: 38'0". French Voisin built from components by Rinek, powered by his own motor and modified with a redesigned undercarriage, interplane curtains, and welded tubular metal wing struts replacing the original wooden ones; ff: 9/3/09 (p: Rinek) of some 100 yds. Second version was a rebuild in late 1909, powered by Rinek's 40hp V-8, and its flight on 12/22/09 (p: J E Smith) ended in a minor crash. Reportedly there were several more flights in 1910, after which Rinek retired the machine to concentrate on building motors and propellers. Restored in 1973 by Cole Palen.
Special 1961 = 1pClwM; 100hp Continental O-200A; span: 20'5" length: 20'0" load: 325# v: 184/140/65 range: 650. [N1017Z].
Penguin 1917 = 1pOB; 40hp Ford A; span: 30'0" length: 16'0" v: 45. Flightless ground trainer styled after the WW1 Blériot "Penguin" machines. The propeller was purposely too small to support flight. However, after some persistent students managed to somehow become marginally airborne, the wings were trimmed to 10'0".