Porterfield Airplane Club

Keep the Skinny Birds Flying Safely

Share the love of flying, building, and history of the Porterfield Airplane

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Welcome

I don't know if any of you were a member of the "Porterfield Airplane Club" which Chuck Lebrecht hosted for many years. Chuck has decided to give up the Porterfield Club due to health and economic reasons. I've taken it upon myself to keep the legacy going and have started this social web site dedicated to "Keeping the Skinny Birds Flying".

The site will be a good place to share information, pictures, stories, videos, parts, and to create lasting friendships for people with an interest or knowledge of the Porterfield Airplane. I just started getting this site together June 1st, 2009, so there is a limited amount of information. If you have any information to add, please do. If you have parts for sale, help items, technical info, or just want to share your airplane pictures please join us.

Also, if you have any ideas to improve the site, please feel free to comment and/or help build the site. I hope that this site will generate a database for information and history pertaining to the Porterfield Airplanes that may be shared and used by all interested. As well as a place to meet and make life long friends whom share some of the same interests of flying, building, and knowledge of the Porterfield Airplane. If you know any others that may be interested please invite them to join.

Brief History of the Porterfield Airplane

The American Eagle Aircraft Corporation was started in 1925 by Ed Porterfield for the express purpose of providing a safe training aircraft for the fledgling Porterfield Flying School. Porterfield felt that a safer, better performing trainer was badly needed to replace the existing "Jennys" and Lincoln "Standards" being used in his flight school. In April 1926, the American Eagle, Model A-1, first flew from Richards Field in Kansas City, Missouri. The airplane had been designed by Waverly Stearman after much consultation with Porterfield concerning the characteristics necessary for a good training aircraft. It was a three-place, open cockpit bi-plane that was suitable for both training and light commercial activity and was typical of the era. In November, 1927, the OX-5 powered A-1 received an Approved type Certificate - ATC #17. Various changes were made to the original A-1 design (The most notable being the addition of ailerons on the lower wing.) leading to the A-101 designation. Most Eagles were powered with war surplus Curtiss OX-5 engines, but variations were available with the OXX-6, Hisso, Anzani, and others. During may of 1928, production was 12 planes per week with ever increasing orders. In mid-1928 an OX-5 powered A-101 sold for $2815. Approximately 300 of the A-1 / A-101 models were sold.

In 1929, American Eagle brought out a new model, the A-129, which received ATC #124. The new model was very similar to the earlier "Eagles" except that it was powered by a 5-cylinder Kinner K5 engine which required a longer nose on the aircraft to maintain proper balance. This gave rise to the "Eagle" A-1 and A-101 versions being called "shortnose Eagles", and the A-129 Kinner powered model being called the "longnose Eagle" and other such names. The A-129 "Kinner Eagle" would not win any beauty contests, but it was stable and reasonably easy to fly. The A-129 was also sold with several other engine configurations including the OX-5 and OXX-6.

During 1928 and 1929 business was booming for the American Eagle Aircraft Corporation and they produced several other aircraft in addition to the A-101 and A-129. None of these sold as well, but production of the A-201, A-139, A-229, A-329, A-429, as well as several prototypes, placed the company near the top of the vibrant aircraft industry. The stockmarket crash in late 1929 changed all that, and in 1930 the company found almost no market for its aircraft. In desperation, Porterfield started the design that eventually became the American Eaglet monoplane. It was a small, light weight, parasol design that was powered by a three cylinder Szekely radial engine. Although the "Eaglet" sold fairly well, the company was in trouble, and in May 1931, the American Eagle Aircraft Corporation merged with the Lincoln Aircraft Company. The new company was known as the American-Eagle-Lincoln Aircraft Company, and most of the production was focused on the "Eaglet". However, the deepening depression soon ended this last gasp of American Eagle. Ed Porterfield went on in later years to organize the well known Porterfield Airplane Company.

During its six years in existence the American Eagle Aircraft Corporation produced over 700 aircraft and held eight Approved Type Certificates issued by the Department of Commerce. It was the third largest producer of commercial aircraft in the world at the time of the depression, and its products were among the finest private aircraft manufactured during that era.

History from Wings of History Museum.


During the 1930s, the firm of Porterfield Aircraft Corporation, located in Kansas City, was enjoying a modest success with the Model 35 light aircraft - a tandem two-seater built of traditional steel tube fuselage with a wooden wing - all, of course, covered in fabric. The exceedingly slim fuselage sported a variety of engines including the five-cylinder Warner Scarab junior radial of 90-hp. Aimed at the lower-cost sport flying market, the Model 35 could be fitted with various options and numerous paint schemes were available.

As the new four-cylinder opposed powerplants came available, Ed Porterfield modified his basic design a bit to take advantage of these new and reliable engines. The CP-50 retained the standard Porterfield profile but it was fitted with either Franklin, Continental, or Lycoming engines - all of 50-hp. Given the name Collegiate, famed race pilot Roscoe Turner was briefly the sales manager and director of advertising for the new design. Available in variants ranging from a very basic training machine to a more deluxe sports model, over 50 were built before attention was turned to the higher-powered CP-55 and CP-65 models.

Once again, these aircraft were all fitted with opposed engines from the three manufacturers but the airframes were basically similar to the earlier design.
Porterfield never achieved the numerical success of the larger light aircraft manufacturers such as Piper, Aeronca, and Taylorcraft but the planes were well made and popular with pilots. However, with the start of World War Two, light aircraft production for civilian use came to a stop and the bigger companies benefited greatly from military contracts but Porterfield, with no large military orders forthcoming, quietly faded away.

Porterfield 35
From Wikipedia, the free encyclopedia

Model 35 Flyabout
Role two-seat cabin monoplane
Manufacturer Porterfield Aircraft Corporation
Designed by Noel Hockaday
First flight 1935
Introduced 1935
Number built 240+

The Porterfield Model 35 Flyabout was an American two-seat cabin monoplane built by the Porterfield Aircraft Corporation of Kansas City.
Development
The aircraft was designed by Noel Hockaday and was built by students at the Wyandotte High School as the Wyandotte Pup. Porterfield Aircraft recognised the potential of the aircraft design and bought the design rights and also the services of Hockaday as works manager and designer. The Pup was developed to appear in 1935 as the Porterfield Model 35 Flyabout a braced high-wing-monoplane. It had a fixed tailskid landing gear and room for two. It was originally powered by a 60hp (45kW) LeBlond 5D radial engine. Variants later appeared with different engine installations and a deluxe model the De Luxe Sport. Over 240 aircraft were built.

Variants
Model 35
1935 production variant with a 60hp (45kW) LeBlond 5D radial engine
Model 35-70
1937 production variant with a 70hp (52kW) LeBlond 5DE radial engine.
Model 35-V
Variant powered by a 65hp (48kW) Velie M-5 engine.
Model 35-W (De Luxe Sport)
Luxury model (also known as the Model 90) with a 90hp (67kW) Warner Scarab Junior radial engine.

Specifications (Model 35-70)
Data from The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985), 1985, Orbis Publishing, Page 2760
General characteristics
Crew: 1
Capacity: 1 passenger
Length: 20 ft 3 in (6.17 m)
Wingspan: 32 ft 0 in (9.75 m)
Height: 6 ft 7 in (2.01 m)
Wing area: 147 ft² (13.66 m²)
Empty weight: 806 lb (366 kg)
Gross weight: 1310 lb (594 kg)
Powerplant: 1 × LeBlond 5DE radial piston, 70 hp (52 kW)
Performance
Maximum speed: 115 mph (185 km/h)
Range: 360 miles (579 km)
Service ceiling: 15,000 ft (4570 m)

Porterfield Collegiate
From Wikipedia, the free encyclopedia


Collegiate
Role two-seat monoplane trainer
Manufacturer Porterfield Aircraft Corporation
First flight 1936
Introduced 1936
Produced 1936-1941
Number built 400

The Porterfield Collegiate was an American two-seat training monoplane built by the Porterfield Aircraft Corporation of Kansas City.
Development
Developed originally as the Porterfield Zephyr a light-weight version of the earlier Model 35 Flyabout for use a pilot trainer. Powered by a 40hp (30kW) Continental A-40 engine it was later re-designated the Porterfield CP-40. To improve performance the engine was replaced with a 50hp (47kW) Continental A50-4 engine and re-designated the CP-50 Collegiate. It was a braced high-wing monoplane with a tailskid fixed landing gear. Total production was about 400 when production stopped in 1941 at the start of American involvement in the Second World War. A number of variants were produced with different engine installations.

Variants
CP-40 Zephyr
Original 40hp version
CP-50
Improved production variant with a 1935 production variant with a 50hp (47kW) Continental A50-4 engine
CP-55
Revised engine cowling
CP-65
Powered by a 65hp (48kW) Continental A65-8/9 engine.
FP-60
Powered by a 60hp (45kW) Franklin 4AC-171-A1 engine.
FP-65
Powered by a 65hp (48kW) Franklin 4AC-176-B29 engine.
LP-50
Powered by a 50hp (37kW) Avco Lycoming O-145-A1 engine.
LP-55
Powered by a 55hp (41kW) Avco Lycoming O-145-A3 engine.
LP-65
Powered by a 65hp (48kW) Avco Lycoming O-145-B1/B2 engine.
Specifications (CP-65)
Data from The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985), 1985, Orbis Publishing, Page 2760
General characteristics
Crew: 2
Length: 22 ft 8 in (6.91 m)
Wingspan: 34 ft 9 in (10.59 m)
Height: 6 ft 11 in (2.11 m)
Wing area: 168.80 ft² (15.68 m²)
Empty weight: 671 lb (304 kg)
Gross weight: 1160 lb (526 kg)
Powerplant: 1 × Continental A65-8/9 flat-four piston engine, 65 hp (48 kW)
Performance
Maximum speed: 108 mph (174 km/h)
Range: 300 miles (483 km)
Service ceiling: 15,000 ft (4570 m)


High Flight

Oh, I have slipped the surly bonds of earth
And danced the skies on laughter-silvered wings;
Sunward I've climbed, and joined the tumbling mirth
Of sun-split clouds and done a hundred things
You have not dreamed of wheeled and soared and swung
High in the sunlit silence. Hov'ring there,
I've chased the shouting wind along, and flung
My eager craft through footless halls of air.
Up, up the long, delirious burning blue,
I've topped the windswept heights with easy grace
Where never lark, or even eagle flew.
And, while with silent, lifting mind I've trod
The high untresspassed sanctity of space,
Put out my hand, and touched the face of God.

John Gillespie Magee, Jr

Forum

Looking for drawings and Landing Gear Info 2 Replies

Started by Bryant Chambers. Last reply by Bryant Chambers Nov 9.

Carb Heat Box for CP-65

Started by Carl Gingras Nov 3.

Florida Flyabout on Ebay

Started by Andy Gelston Oct 25.

Perry's Porterfield Parts proffered on Barnstormers

Started by Andy Gelston Oct 13.

N34711, s/n 877, ‘41 FP-65 8 Replies

Started by Andy Gelston. Last reply by Andy Gelston Oct 2.

Another Porterfield Saved and Flying! 1 Reply

Started by Mark Mondello. Last reply by Andy Gelston Oct 2.

brake pedal return spring 1 Reply

Started by Andy Gelston. Last reply by Andy Gelston Jul 25.

Unknown Elevators 3 Replies

Started by Bill Skinner. Last reply by Bill Skinner Jul 4.

35-70 Wings Update 6 Replies

Started by Bob Bennett. Last reply by Bob Bennett Jun 22.

Continental Engine Mounts 18 Replies

Started by Perry M Chappano. Last reply by Andy Gelston Jun 21.

Porterfield parts needed 2 Replies

Started by Mike Dewey. Last reply by 24iqvn53cdoel Jun 19.

Latest postings on Barnstormers.com

Started by Andy Gelston Jun 7.

Sensenich Propeller 4 Replies

Started by Bill Skinner. Last reply by Bill Skinner May 30.

35-70 Wings

Started by Bob Bennett May 29.

Blog Posts

AD's on wing struts

Posted by Victor Briley on October 15, 2020 at 3:22pm — 1 Comment

Restoration Continued

Posted by Bryant Chambers on August 3, 2020 at 6:32pm

Porterfield Club Newsletters

Posted by Bill Skinner on July 13, 2020 at 12:51pm — 2 Comments

A Tribute to My Dad

Posted by Bill Skinner on July 10, 2020 at 7:44am — 1 Comment

need fairleads for 1940 Collegiate

Posted by Victor Briley on June 29, 2020 at 3:06pm — 21 Comments

FP-65 Motor Mount

Posted by Bob Hayden on June 2, 2020 at 1:17pm

LP 65 to C85 Conversion

Posted by john elliott on April 27, 2020 at 5:39pm — 5 Comments

N37716 Begins her restoration

Posted by kevin feauto on January 25, 2020 at 4:47pm — 4 Comments

For Sale Lycoming 65 plus mount

Posted by john elliott on December 12, 2019 at 1:23pm — 4 Comments

Porterfield on barnstormers

Posted by Bill on December 11, 2019 at 4:07pm — 2 Comments

Are there any Collegiates in Michigan?

Posted by Victor Briley on September 18, 2019 at 9:42am — 1 Comment

Need fuselage drawing for LP/CP65

Posted by john elliott on March 19, 2019 at 7:04pm — 6 Comments

New Member looking for Lycoming 145 Parts

Posted by john elliott on March 4, 2019 at 11:53am — 2 Comments

Need steel channel to repair rudder on 1940 CP50

Posted by Victor Briley on February 20, 2019 at 12:22pm — 1 Comment

G-AFZL in the wars again

Posted by Steve Sharpe on October 24, 2017 at 5:31am — 3 Comments

LP 65 hub caps

Posted by Mark on July 24, 2017 at 1:42pm — 2 Comments

Aircraft For Sale

FOR SALE

REDUCED.. TO $25000...REDUCED Jan 8, 2018

1935  Northwestern Porterfield 35-70

NC15444, Serial # 786

Posted October 23, 2017

Comes with a spare LeBlond radial engine. Located in Krum, Texas. Asking $35K, or trade .Please text or call with any questions (leave message if I don't answer). Thanks.

Jake Bilstad (friend of owner)

817-709-8663 jake.blistad@gmail.com

Rare LSA Porterfield Makes Second Oshkosh Visit

Rare LSA Porterfield Makes Second Oshkosh Visit

By Randy Dufault

Dave Reichard wasn’t looking for a rare airplane when he began searching for a plane to exercise his newly minted sport pilot certificate in. At the time, an Aeronca Champ seemed like the logical choice since that was his mount for most of his training.

A for-sale listing changed that decision.

“I have a friend who looks at all the antique listings,” Dave said. “He told me one day, ‘Hey Dave, there’s a Porterfield for sale.’ And I said to him the same thing that everyone says to me when I say I have a Porterfield, ‘What’s a Porterfield?’”

A trip to a private airstrip in Kentucky followed, and Dave purchased the plane.

“My friend that told me about it has lots of tailwheel time in lots of different types. A friend who is my mechanic and is an IA and I went down … and we checked it out,” Dave said.

After some back and forth over the paperwork, Dave paid for the craft. Test flights demonstrated it had no bad tendencies and was a sweet-flying airplane.

A 7.3-hour cross-country effort brought the plane here to EAA AirVenture Oshkosh 2017 from its current home in the Dayton, Ohio, area. Eighty mph cruise speeds, and a particularly short range, make such trips a lengthy affair.

Dave last brought the plane to Oshkosh in 2014, shortly after he purchased it.

“In 2014, I met several other Porterfield owners, and one of them told me that there were 24 flying examples in the world,” Dave said. “A fellow I met this past [weekend] has one that’s bent, so there might only be 23 right now.”

“I have not met another Porterfield owner, except online or at AirVenture,” he added. “I’ve not seen another Porterfield [airplane].”

Porterfield built airplanes for a short period before World War II, and this LP65 (Lycoming powered) model was one of its last efforts. A tornado damaged this particular craft in the 1970s, and, according to Dave, it spent nearly 30 years of its 77-year life not flying. Restoration eventually happened, and the completed project appeared in the September 2008 issue of EAA’s Vintage Airplane magazine.

All Porterfield models are compliant, type-certificated light-sport aircraft.

Dave has added about 100 hours, half of his total time as a pilot, to the LP65 since he purchased it. He enjoys bringing it to fly-in events around the Dayton area, and is always ready and willing to answer the “What is it?” question.

“That’s what happens when you own a rare airplane,” Dave said.

Latest Activity

Andy Gelston posted a discussion

Replica data plates on eBay, in brass or aluminum: $185

on eBay: https://www.ebay.com/itm/201805755821?ul_noapp=trueThe data plate is blank and ready for your restoration. It measures 2 1/2" X 4". Nostalgic Reflections can stamp the numbers you need at an additional cost of $10.00 per pad. This plate has 14 pads. You have a CHOICE of brass or aluminum. Please advise after the sale which you prefer. Brass Part No. PPS-0054 and the Aluminum Part Number is PPS-0150, also red or black…See More
Nov 17
Bryant Chambers replied to Bryant Chambers's discussion Looking for drawings and Landing Gear Info
"Hello Andy!  Your message is timely.  No, we haven't made much progress in the last few months.  My work hit a busy season and dad had knee surgery.  Fortunately, he's feeling better and I'm entering my slow…"
Nov 9
Andy Gelston replied to Bryant Chambers's discussion Looking for drawings and Landing Gear Info
"Helloo, Bryant! How are you and your Pop coming on the old girl?  Were you able to get drawings from Kevin Rankin? Have you figured out the tailwheel yet.  How about the donut holder.  Shinn wheels & brakes were the hot set-up in…"
Nov 7
Carl Gingras posted a discussion

Carb Heat Box for CP-65

carbbox.jpgDoes anyone know where to find/information on the round type carb heat box? It's on the CP-65 A65. All of the other boxes I have found are the square type. Would I be better off using the square type and adapting the lower cowling to fit. The cowling was damaged when the plane nosed over so I will have to fix it either way.See More
Nov 3
Carl Gingras left a comment for Andy Gelston
"Thanks for the welcome. Greg hadn't started on the project yet. He has a bunch of other restorations going on right now so that how I ended up with the project. He is guiding me as this is my first restoration. I currently fly a quicksilver…"
Nov 3
Andy Gelston left a comment for Carl Gingras
"Welcome to our wee Club for the Skinny Birds, Carl!  So you bought Greg Eastman’s project?  Did he give up on her after three years, or never really get started on her?  I sure hope you can get her back in the air, where she…"
Nov 2
Carl Gingras is now a member of Porterfield Airplane Club
Nov 2
Andy Gelston left a comment for T Doug Stewart
"I’ll scan the data pack and email it to you, Doug.  You use the 65 engine mount and use a 65 accessory case on the 90: no electrical will fit ahead of the firewall, just the two mags.  With a Marvel MA-2 carb, you have mixture…"
Oct 27
T Doug Stewart left a comment for Andy Gelston
"Andy I have a 41 fp65 that I plan to have flying summer 2021. I see you have a Franklin 90 in yours with a one time arc. I just bought a 90 with starter and gen. It will be overhauled to new specs this winter. Can I please get a copy of your STC. It…"
Oct 27
Andy Gelston left a comment for T Doug Stewart
"Welcome to our wee club for the skinny birds, Doug!  You’ll find lots of useful, and some useless, information in the forum, blog, and photo sections to help you with your restorations.  Good luck staying retired while you maintain…"
Oct 26
T Doug Stewart is now a member of Porterfield Airplane Club
Oct 26
Andy Gelston commented on Victor Briley's blog post AD's on wing struts
"Only AD is for installing aileron counterweights."
Oct 25
Andy Gelston posted a discussion

Florida Flyabout on Ebay

N326GH. $39K, OBO5 Year Restoration completed Feb, 2018Fresh Annual Jan 2020 Total time: 1052 hoursAirplane flies true and straight90 horsepower 5 cylinder LeBlond radial engine with 52 hours (Number will change as plane is flown often)240 Flyabouts built 1935-1937Porterfield hired Roscoe Turner as sales manager & ad manActor Robert Cummings, who was taught to fly by Orville Wright (his godfather) and first certified U.S. flight instructor owned a green Porterfield Model 35 named “Spinich”  See More
Oct 25
Andy Gelston commented on Victor Briley's blog post need fairleads for 1940 Collegiate
"Well there you go!  One of the traps we should all try to avoid in restoring these old gals is perpetuating mistakes and cobble-jobs that were done to them in the past.  I’ve seen felt washers on a lot of Shinn wheels and my own…"
Oct 16
Victor Briley commented on Victor Briley's blog post need fairleads for 1940 Collegiate
"Shinn-%20Firestone%20brake%20detail%20breakout%20IPC%20%281%29.pdf This is the note that Laurie at Classic Aero sent me. She is very knowledgeable on Shinn wheels and brakes. LEder@luscombesilvaire.info Oct 15, 2020, 4:56 PM (15 hours…"
Oct 16
Andy Gelston commented on Victor Briley's blog post need fairleads for 1940 Collegiate
"Wheel bearings (Shinn) do have felt seals between two seal washers, against the outboard side of each wheel bearing.  I’m not sure where to get them, though..."
Oct 15
Andy Gelston commented on Victor Briley's blog post need fairleads for 1940 Collegiate
"The only AD on the Collegiate is for installing the head knockers (aileron counterweights): something that is only required on CP-50’s that were re-engined with A65’s without upgrading the wing & aileron structures, but all…"
Oct 15
Victor Briley posted a blog post

AD's on wing struts

The IA I am working with wants to know if there are any AD's on the wing struts of my 1940 Collegiate. He said I should have my wing struts punch tested for thin spots but would like to know if there are any AD's first.See More
Oct 15
Victor Briley commented on Victor Briley's blog post need fairleads for 1940 Collegiate
"The IA i am working with wants to know if there are any AD's on the wing struts. He said I should have my struts punch tested. What do you think? Also, are the wheel bearings supposed to have felt seals? There were none on mine but it was a…"
Oct 15
Victor Briley commented on Victor Briley's blog post need fairleads for 1940 Collegiate
"The IA i am working with wants to know if there are any AD's on the wing struts. He said I should have my struts punch tested. What do you think? Also, are the wheel bearings supposed to have felt seals? There were none on mine but it was a…"
Oct 14
 
 
 

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