In David Gerrold's The Trouble with Tribbles: The Story Behind Star Trek's Most Popular Episode, he describes how he used a 12-pitch Selectric to type the 1967 episode. When the studio retyped it in pica (10-pitch) it came out to 90 pages and had to be cut down significantly to fit the show's running time.

The difference amounts to approximately 3 words per page and about 50 words per page.

Since you're asking in r/typewriters, here's a list of what some well known playwrights, screenwriters, and directors used and would likely have recommended for writing tools without harsh screens. Personally I'm in Tom Hank's camp and would recommend a Smith-Corona Clipper.

• Edward Albee: Remington 17 or KMC
• Ray Bradbury: Underwood (no. 5?), 1947 Royal KMM #3756210, IBM Selectric, IBM Wheelwriter, Silver-Seiko ultraportable (likely branded as Royal)
• Bertolt Brecht: Erika
• Mikhail Bulgakov: Olympia 8 (photo from Bulgakov museum)
• Paddy Chayefsky (playwright, May 1954): Underwood Standard Model 6, ca. 1946; Royal HH; Olympia SG3
• William Goldman: Olympia SM9
• Matt Groening: Hermes Rocket
• Alfred Hitchcock: '30s black Underwood Champion portable
• Sidney Howard (screenwriter, Gone With the Wind): Remington Noiseless Portable #N49669
• John Hughes (director): Olympia SM3
• Buster Keaton: Blickensderfer no. 5
• Stanley Kubrick: Adler Tippa S
• Ring Lardner: L. C. Smith
• Ernest Lehman: Royal Electress
• David Mamet: Smith-Corona portable, Olympia SM4, Olympia SM9, IBM Selectric
• Arthur Miller bought a used Smith-Corona portable in the late '30s (for one anonymous contest, he submitted a play that he said was "by Corona."). Later he used a '50s Smith-Corona Silent Super and a Royal KMG (1955 photo, another photo). He wrote his later plays on an IBM desktop computer. (Arthur Miller: His Life and Work, by Martin Gottfried, p. 26, 112, and 381.)
• F. W. Murnau: Remington portable no. 2 (1931 photo)
• Clifford Odets (1962): Royal Quiet DeLuxe, ca. 1957
• Rod Serling: Royal KMG (photo 1, photo 2)
• Neil Simon: Olympia SM9
• Steven Spielberg: Smith-Corona Coronamatic 2200 (photo 1, photo 2)
• James Thurber: Underwood no. 5
• John Waters: ca. 1950 Underwood (1961 photo), IBM A or B
• Orson Welles: 1926 woodgrain Underwood portable #4B73700 (Welles typing on it), ’30s Underwood Noiseless Portable, Smith-Corona (?)
• Tennessee Williams: Remington portable no. 2, 1936 Corona Junior #1F9874J (formerly in Steve Soboroff's collection), mid-1940s Corona Sterling, Royal KMM, Hermes Baby (gift from Margo Jones, 1947, according to John Lahr, Tennessee Williams: Mad Pilgrimage of the Flesh, Bloomsbury, 2014), Olivetti Studio 44 (picture 1, picture 2, picture 3, picture 4 1955), Remington portable #5 flat top, Remington Standard M, Olympia SM8. (This man loved to have himself photographed with his writing machines!)

If you need some other recommendations from novelists and others, you could try: https://site.xavier.edu/polt/typewriters/typers.html

If you like Scrivener, but want to get away from screens, you can look back to Frank Daniels' method with index cards which he taught to thousands of screenwriters including David Lynch. Variations can be seen at https://www.youtube.com/watch?v=vrvawtrRxsw and https://www.youtube.com/watch?v=mwKjuBvNi40. Vladimir Nabokov used a very similar method for his novels which is fairly well documented: https://www.openculture.com/2014/02/the-notecards-on-which-vladimir-nabokov-wrote-lolita.html

reply to u/IndividualCoast9039 at https://new.reddit.com/r/typewriters/comments/1endi5d/screenwriter_here/

There's really no such thing as a screenplay specific machine, though for ease of use, you'll surely want one with a tabulator (tabs). If you want to hew toward the standard screenplay formatting look for pica machines (10 characters per inch) rather than elite machines (11-12 characters per inch).

SoCal is lousy with lots of great machines. If you want something that's going to work "out of the box" you'll pay a few bones more, but unless you're a tinkerer, it's definitely worth it.

I'd recommend checking out the following shops/repair joints near LA that specialize in machines for writers. Most will let you try out the touch and feel of a few in person to figure out what will work best for you. Putting your hands on actual machines will help you know which one you'll want for yourself.

• Helmut Schulze, Rees Electronics / Star Typewriters, 2140 Westwood Blvd. #224, Los Angeles, CA 90025. 310-475-0859 or 877-219-1450. Fax: 310-475-0850. E-mail star@startypewriters.com. Schulze has many years of experience and has restored typewriters of famous writers for collector Steve Soboroff.
• Aaron Therol @ Typewriter Connection, DTLA, https://www.typewriterconnection.com/
• Bob Marshall, Typewriter Muse, Riverside, CA. Service, restoration, and sales. Website: typewritermuse.com.
• Rubin Flores at U.S. Office Machine Co. over in Highland Park 323-256-2111 (better at repairs, restoration; I don't think he keeps stock)

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I'd generally endorse most of the advice on models you'll find in these sources which are geared specifically toward writers, all three sources have lots experience and reasonable bona fides to make such recommendations.

• https://www.youtube.com/watch?v=h9dXflhDed0
• https://www.youtube.com/watch?v=aKMt-aCHZZk
• https://typewriterreview.com/2020/01/10/top-10-writerly-typewriters/

All machines are slightly different, so pick the one that speaks to you and your methods of working.

If it helps to know what typewriters actual (screen) writers have used in the past, check out https://site.xavier.edu/polt/typewriters/typers.html

Beyond this Just My Typewriter has a few short videos that'll give you a crash course on Typewriter 101: https://www.youtube.com/playlist?list=PLJtHauPh529XYHI5QNj5w9PUdi89pOXsS

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