Home » Interesting Questions » Why Rockets have a fixed diameter?

Why Rockets have a fixed diameter?

Is it possible to create a rocket with a variable blast diameter to achieve different levels of torque and power similar to a geared transmission?

I suppose the best analogy I have is the difference in power between a garden hose normally and when you plug it with your thumb, creating more pressure.

Would it be possible to have a rocket launch with maximum diameter, and slowly close up like a camera shutter to gain speed once in the air? Perhaps this shudder would be angled like a funnel to direct the blast easier. All the rockets I see have a fixed diameter and it just makes me curious.

(Asked Bharath)

Experts in the field are requested to answer via comments

Visitors So Far @ AskPhysics

  • 2,098,707 hits

Subscribe to Blog via Email

Enter your email address to subscribe to this blog and receive notifications of new posts by email.

Join 4,003 other subscribers

askphysics@Twitter

  • Check out Mathew Abraham’s video! #TikTok > https://t.co/T50V2XAyhC
    about 1 month ago
%d bloggers like this: