Letter (Astounding, February 1945): Sorry—the Idea Won't Work. Such Expelled Matter, Like Bullets Shot Straight Up, Would Fall Straight Back—or Excape to Infinity. The Matter Would Have to Be Radial, But No Orbital Velocity to Speak of.

From Author Wars - https://authorwars.com/books/letter-astounding-february-1945-sorry--the-idea-wont-work-such-expelled-matter-like-bullets-shot-str-3397493.html

Overview:

Title: Letter (Astounding, February 1945): Sorry—the Idea Won't Work. Such Expelled Matter, Like Bullets Shot Straight Up, Would Fall Straight Back—or Excape to Infinity. The Matter Would Have to Be Radial, But No Orbital Velocity to Speak of.
Author: John B. Platts
Year: 1945
Type: Essays

Editions/Publications:

Unknown. Astounding Science Fiction, February 1945 (Unknown, John B. Platts, Street & Smith Publications, Inc., $0.25, 180 pages, digest, MAGAZINE)

This text has been adapted from the Letter (Astounding, February 1945): Sorry—the Idea Won't Work. Such Expelled Matter, Like Bullets Shot Straight Up, Would Fall Straight Back—or Excape to Infinity. The Matter Would Have to Be Radial, But No Orbital Velocity to Speak of. entry at the Internet Speculative Fiction Database and is available under a Creative Commons License. The ISFDB does not endorse or sponsor this use.