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Author Topic: Brenkert History
Will Kutler
Phenomenal Film Handler

Posts: 1506
From: Tucson, AZ, USA
Registered: Feb 2001


 - posted 09-07-2001 06:35 PM      Profile for Will Kutler   Email Will Kutler   Send New Private Message       Edit/Delete Post 
Hi Paul!

I was in ACE Hardware the other day. They had the same basic motor cradle/mount for motors that is used on these old projectors. I am not sure is the dimensions were the same, though. And of course these new cradles are made out of lighter/cheaper material!

You have a point about the shaft. Yes, it is tapered. If an exact matching motor is not available, maybe one that can be simply modified is?

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Josh Jones
Redhat

Posts: 1207
From: Plano, TX
Registered: Apr 2000


 - posted 09-07-2001 07:57 PM      Profile for Josh Jones   Author's Homepage   Email Josh Jones   Send New Private Message       Edit/Delete Post 
The serial # on the number one machine is 6608. The very nice spare Paul provided is 8502. The BX 80 look-a-like in the number two position(really a BX100) is serial #10278. My two junk heads are 9844 and 9348. I hope to acquire two more Bx-80's in the upcoming year from a theatre closing. 1955 booth, all RCA
should be fun

Josh


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Paul G. Thompson
The Weenie Man

Posts: 4718
From: Mount Vernon WA USA
Registered: Nov 2000


 - posted 09-07-2001 10:45 PM      Profile for Paul G. Thompson   Email Paul G. Thompson   Send New Private Message       Edit/Delete Post 
Yeah, Josh....that big block of cast iron of yours (Ser. No 6608) darn near gave me a hernia carrying it from point "A" to point "B".

Will:

With respect to the taper on the motor shaft.....Well, if RCA didn't even post a motor speed on the plate, (let alone had some unidentified NEMA Frame Number), I would presume they made their taper some funky size so that nothing would fit it.

Robbins & Myers are still in business, but they specialize in Reactor Systems, Industrial Mixing, Industrial Pumps and Corrosion-Resistant Products. Energy Systems focuses primarily on serving the oil and gas industry.

Speaking of Robbins & Myers, here is something some of us might find interesting.

Robbins & Myers, Inc. began in 1878 as a gray iron foundry in Springfield, Ohio. Its primary business involved supplying high-quality castings for agricultural machinery and bicycles.

From the late 1800s to the early 1900s the product line expanded to include castings for the motor powered fan. The growing use of electricity prompted Robbins & Myers to develop and manufacture its own line of motor powered fans, that eventually included ceiling, desk, oscillating and ventilating fans. These products proved to be so popular that they quickly became the central part of Robbins & Myers' business and gained a reputation for setting the "standards of the industry." This early reputation continues to be reinforced by the products manufactured today.

Along with quality, Robbins & Myers became known for its innovation. Among those who came to the Company for design and manufacturing assistance were Charles Kettering, inventor of the automobile starter; The John Heinze Company, manufacturer of automobile starters for the Ford Motor Company; and Guglielmo Marconi, inventor of the wireless telegraph. Other customers included such well-known names as Singer, Hoover and Addressograph-Multigraph.

Responding to the demands of manufacturers for tools that would help them increase production, Robbins & Myers applied its experience to the development of high-efficiency materials handling products. In 1929, the Company began manufacturing its own line of hoists, cranes and winches for use in assembly line operations.

The Company entered the industrial pump market in 1936 when it was seeking new growth opportunities for its electric motors. Robbins & Myers became the first North American licensee of the progressing pump design invented by French scientist, Dr. Rene Moineau. The new pump was capable of handling viscous, abrasive, solids-laden materials and needed an electric drive motor as a power supply. Early Robbins & Myers progressing cavity pumps served general industrial markets, where they rapidly became known for their ability to handle the most difficult pumping applications. Development and expansion of the progressing cavity pump line continued to be one of the primary focuses of Robbins & Myers until the early 1940's.

Journey of Prosperity

During WWII, Robbins & Myers was approached by Carl Norden, the inventor of the famed Norden bombsight. He needed a manufacturer capable of producing motors that could meet the high performance demands of the delicate aircraft navigation systems of Allied bomber aircraft. Soon, Robbins & Myers was manufacturing all precision parts of the servomotor for the Norden bombsight and for aircraft stabilizers.

After WWII, Robbins & Myers continued to focus its attention on the design and manufacture of progressing cavity pumps, hoists and cranes, fans, motors and generators. Throughout the decades that followed, the Company advanced the technology and refined the product offering considerably for each of these lines. Industrial and consumer demand for Robbins & Myers' products grew and it established leadership positions within each of its served markets through the introduction of market-driven product innovations.

For example, in 1955, Robbins & Myers was the first to introduce progressing cavity power sections for use in horizontal and directional oil drilling.

In the 1970's, consumers rediscovered the benefits of ceiling fans in residential dwellings and commercial buildings. Consequently, Robbins & Myers' Hunter ceiling fan division experienced explosive sales growth. However, this surge was soon met by a tremendous influx of low-cost products from off-shore manufacturers. The result was a significant increase in competition and a saturated marketplace.

Times of Transition

After the tumultuous rise and decline of the ceiling fan business, the Company found itself attempting to serve too many diversified markets. Eventually, the hoist and crane, and the Hunter fan divisions were divested. Then, in 1980, Robbins & Myers acquired Electro-Craft Corporation, a manufacturer of DC motors, servosystems, and optical encoders, and RKL Controls, a manufacturer of manual and automated pinch valves.

In 1981, Robbins & Myers targeted the untapped North American oil and gas markets with the introduction of the MoynoŽ Down-Hole Pump. Based on the progressing cavity principle, the Moyno Down-Hole Pump was developed for crude oil extraction and gas well dewatering applications.

By the late 80's, Robbins & Myers significantly broadened its role in the fluids handling marketplace with a series of market-driven, progressing cavity pump products designed to penetrate new markets, both domestically and overseas.


Robbins & Myers later found itself with a struggling Motion Control Group and a growing Fluids Handling Group. Consequently, in 1991, the Motion Control Group was divested and Robbins & Myers established a new fluids management strategy. With its strong global manufacturing and service capabilities the Company focused itself completely on providing products and services for the management of the movement, properties and transformation of fluids.

The 1990's was a key growth period as Robbins & Myers expanded its product offering with the following series of strategic acquisitions and joint ventures.

Acquisition Highlights

Robbins & Myers strengthened its fluids management role with the acquisition of Prochem Mixing Equipment, Ltd. in 1992. Prochem was a manufacturer of high-quality, top- and side-entering mixers. Following the Prochem acquisition, the Company added to its new industrial mixing product line with the purchase of the JWI portable mixer line.

In 1994 Robbins & Myers acquired the business and assets of Chemineer, Inc., the Pfaudler Companies, Inc. and Edlon, Inc. This opened up opportunities to serve a broader range of process industry customers. The acquisition marked the Company's entry into the design and manufacture of glass-lined reactor vessels, static mixers and heat exchangers. It also significantly expanded its agitator and mixer product lines.

The Company's Reactor Systems product platform took global steps in 1996 when it formed a joint venture with Suzhou Glass-Lined Equipment Company Limited of China. It then purchased two Italian glass-lined equipment manufacturers -- Tycon and Technoglass.

The purchase of Greerco in 1997 added high shear mixers to the Industrial Mixing product platform. In the same year, Robbins & Myers acquired PSI/Spectrum, which was combined with Edlon, Inc. to form Edlon-PSI, a manufacturer and marketer of fluoropolymer-based, corrosion-resistant products.

Robbins & Myers solidified its presence in the energy sector in 1997 when it acquired Flow Control Equipment (FCE), a leading manufacturer of artificial lift accessories, wellhead equipment, pipeline closures, rod guides and valves.

In 1998, Robbins & Myers merged Flow Control Equipment and its Moyno Oilfield Products business unit into a single entity, R&M Energy Systems. The merger was commensurate with Robbins & Myers' approach of offering complementary products that facilitate a single-source packaging capability to better meet customers' requirements. The merger also allowed the Company to maximize the integration opportunities between Moyno Oilfield Products and Flow Control Equipment and provided for a more focused global marketing approach.

1999 saw the Company gain controlling interest of glass-lined manufacturer, Gujarat Machinery Manufacturers in India. The same year brought with it a product line repositioning strategy for the Reactor Systems business units. It capitalized on the Company's abilities to design and manufacture complete reactor systems. From feasibility studies and pilot plant testing to installation and start-up support, customers in served markets now have a single source of responsibility for total turnkey reactor solutions. The strategy provides more opportunity for growth through extension of product, systems and service offerings.

The March Toward Tomorrow

Today, Robbins & Myers provides fluids management products, systems and services that fall under its Process Systems and Energy Systems segments. Such diversification helps the Company ensure positive growth through the fluctuating business cycles of end markets. It supplies the strategic direction necessary for long term growth and short term opportunities. The Company will continue to grow existing business units by seeking out and investing in new acquisitions that will complement existing product lines. Internal growth will continue to occur through strong product development initiatives and new market penetration.

The above info was provided by Robbins & Myers.

Paul


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Will Kutler
Phenomenal Film Handler

Posts: 1506
From: Tucson, AZ, USA
Registered: Feb 2001


 - posted 09-08-2001 11:19 AM      Profile for Will Kutler   Email Will Kutler   Send New Private Message       Edit/Delete Post 
Hi Paul!

I stand corrected about the R & M Motors! According to the data tags the frame numbers for the 1040 and 1050 motors are 395 and 395H. The stators/housings seem to be the same--the exception being roller bearing mods. The rotors also look the same. BUT--the rotor shafts are completly dirrerent!

Thanks for the lesson about R $ M!

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Paul G. Thompson
The Weenie Man

Posts: 4718
From: Mount Vernon WA USA
Registered: Nov 2000


 - posted 09-08-2001 05:27 PM      Profile for Paul G. Thompson   Email Paul G. Thompson   Send New Private Message       Edit/Delete Post 
Hi, Will!

If your 10xx or 90xx motors bite the dust, it is usually the starter switches that burn or stick. Naturally, they will probably smoke the start winding.

Even though, I think the R&M motors are worth rebuilding, but the starter switches can be a sticky issue.

As far as I know, those switches are no longer available. Presently, there are funky electronic start switches that can be retro-fitted, but I don't like them.

I had two orginal switches, one was new, and one was like new. I gave them both away.

Paul



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Gerard S. Cohen
Jedi Master Film Handler

Posts: 975
From: Forest Hills, NY, USA
Registered: Sep 2001


 - posted 09-08-2001 09:14 PM      Profile for Gerard S. Cohen   Email Gerard S. Cohen   Send New Private Message       Edit/Delete Post 
Just a reminder that the MANUALS link contains the following Brenkert
publications which can be viewed or printed, in whole or in part:
Manuals/Projectors: Brenkert BX40 and BX80 projectors
Brenkert BX80 projector
Brenkert BX100/RCA-100 projector
Manuals/Miscellaneous:
Brenkert catalog 26 (Jan.1929) Lighting
Equipment with Brenograph Projector
The Master Brenograph is an elaborate projector that used to project images, shadows, clouds, colors, etc. on the walls, floor, ceiling, screen or sides of the procenium, often accompanied by silent screen
movies and music.
Robert Sprague has been working for some time on a MS on the history and production of the Brenkert Light Projection Company, and his type-
written MS (he uses two old manual machines, one pica and one elite),
contains his own sketches and photographs, letters and recordings of the Brenkert founder and family. His MS is well over 200pp. and he keeps adding supplements and additions to the 20 photo-copies
of the unbound edition, which he mails to the archives and fortunate
recipients of his research largesse. I believe all copies are accounted for, and he prefers to add to them rather than to make more,
unless he gets his MS printed.

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John Anastasio
Master Film Handler

Posts: 325
From: Trenton, NJ, USA
Registered: Sep 2000


 - posted 09-09-2001 04:52 AM      Profile for John Anastasio   Author's Homepage   Email John Anastasio   Send New Private Message       Edit/Delete Post 
The booth at the Loews Journal Square in Jersey City has two master Brenographs which I've had the pleasure of looking over. They're unique machines, to be sure. Those two are in need of rebuilding, but there's an operational one in the booth at the Byrd theatre in Richmond,VA. Projectionists had their hands full back when those things were in use, changing the slides and cookies to put on an elaborate light show, trimming the arc (no automatic feeds on those) and showing the film. I have two Brenkerts, a BX80 and a BX60 and the only machine I'd even think of comparing them to would be my Motiograph. The BX80 takes about two seconds to get up to speed when it's loaded with film. Without a flywheel on that motor, I'm sure that the gears in my 9030 would be constantly chewed into dust. The only complaint I have is the very slow but constant oozing of oil, which actually seems to come right through the pores in the base of the aluminum casting, since I can't find any leaks around gaskets or fittings. It's no worse than my Simplex Super, though and I don't have to deal with all those oil feed tubes. When it comes to oiling you can't beat a Motiograph....in fact, you can't even oil one! Josh, you could start a club called "Brenkert Lovers In North Dakota"...B.L.I.N.D. Brenkert Lovers of Western Nevada would be even more interesting.

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Paul G. Thompson
The Weenie Man

Posts: 4718
From: Mount Vernon WA USA
Registered: Nov 2000


 - posted 09-10-2001 02:26 AM      Profile for Paul G. Thompson   Email Paul G. Thompson   Send New Private Message       Edit/Delete Post 
John, you got that right about those damn oil leaks in the Brenkerts! I'll bet Josh has his $.02 comments about them, too.

In 35 years in the booth, the only Brenkerts I have not seen ooze oil all over the floor were those that were sittin' on the shelf. And, that's because there was nothing in them.

Simplex XL must have taken lessons from Brenkerts in that area, too. And, I forgot to mention the Ballentyne Pro-35. Those leak like a <ahem>!

Paul


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Josh Jones
Redhat

Posts: 1207
From: Plano, TX
Registered: Apr 2000


 - posted 09-10-2001 09:20 AM      Profile for Josh Jones   Author's Homepage   Email Josh Jones   Send New Private Message       Edit/Delete Post 
2 cents? I'll give you two dollars worth. as damn expensive as that oil is, you'd think they could at least hold it in the bath. oh well, at least this way, it guarentees the oil gets changed

On the other hand, I have gotten rid of most of the leaks by installing large O-rings to replace the broken ones in the oil cover, and using blue goo just about everywhere else.

Needless to say, none of the sightglasses leak anymore

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Paul G. Thompson
The Weenie Man

Posts: 4718
From: Mount Vernon WA USA
Registered: Nov 2000


 - posted 09-10-2001 05:36 PM      Profile for Paul G. Thompson   Email Paul G. Thompson   Send New Private Message       Edit/Delete Post 
Yeah, Josh. Leaky oil sumps and expensive oil to replace what leaks out is called the "Brother-In-Law Effect."


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Gerard S. Cohen
Jedi Master Film Handler

Posts: 975
From: Forest Hills, NY, USA
Registered: Sep 2001


 - posted 09-12-2001 10:10 PM      Profile for Gerard S. Cohen   Email Gerard S. Cohen   Send New Private Message       Edit/Delete Post 
Who wants to buy a Brenkert/RCA complete 110V projector outfit, with lamphouses (2), rectifiers (2), sound system, etc. at eBay auction (with reserve)? Pick it up in Kansas City or contract shipper.Auction
closes Sept.16 at 17:50:09 PDT. Not my auction, but interesting to see
the full setup a film collector assembled to screen 35mm films. (#1273793800) Lots of photos.

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Paul G. Thompson
The Weenie Man

Posts: 4718
From: Mount Vernon WA USA
Registered: Nov 2000


 - posted 09-13-2001 11:59 PM      Profile for Paul G. Thompson   Email Paul G. Thompson   Send New Private Message       Edit/Delete Post 
Gerard, it might be worth looking at. Thanks for the tip.

Josh, what do you think?

Paul


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Aaron Sisemore
Flaming Ribs beat Reeses Peanut Butter Cups any day!

Posts: 3061
From: Rockwall TX USA
Registered: Sep 1999


 - posted 09-14-2001 12:55 AM      Profile for Aaron Sisemore   Email Aaron Sisemore   Send New Private Message       Edit/Delete Post 
Paul- Thats that BX100 setup I pointed you at earlier.

Aaron

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Paul G. Thompson
The Weenie Man

Posts: 4718
From: Mount Vernon WA USA
Registered: Nov 2000


 - posted 09-14-2001 01:28 AM      Profile for Paul G. Thompson   Email Paul G. Thompson   Send New Private Message       Edit/Delete Post 
Thanks, Aaron. I didn't look at it by Gerard's reference number. A bid was made, but I don't think it will fly. Probably just as good, as there was a minimum bid, and I was not about to fiddle around to see what it was.

Paul


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Josh Jones
Redhat

Posts: 1207
From: Plano, TX
Registered: Apr 2000


 - posted 09-20-2001 10:33 PM      Profile for Josh Jones   Author's Homepage   Email Josh Jones   Send New Private Message       Edit/Delete Post 
Well, I got a letter from Mr. Sprague today. aside from the 3 pages of letter and two color pictures from 1940's brenkert adds, he sends the following information for the members of film tech. I typed this as verbatum as possible, my words being in brackets [as such] parts of this letter are in the third person, just for your info, My grammer is not that bad


- page 3-

Robert Sprague
PO Box 948
Petoskey MI 49770-6948

Josh - Next time your on the Film-Tech site, please post the following for me(As I have no access!)

to Aaron Sisemore, Please send me Sprague(Via Mail)your mail address! He has misplaced yours!

2 Minor type mistakes in Brenkert history as posted by Aaron Sisemore;
- Brenkert ws incorperated in 1911(not 1941)
- Ashcraft built RCA Wide Arc Lamp, somehow got printed as Line Arc

[and one more thing]

- Sprague sees need for a "short but complete" Timeline - type of Brenkert history (of Both company and product history) That can be economically produce and mailed out, and says he's "working on it"

(info recieved from Robert Sprague)

lifetime Charter Member #199
American Society of Master Projectionists
(founded by Karl Brenkert and Ernie Forbes in Detroit, 1949)

-end-

Josh

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