Guys i need to build a hovercraft

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Discussion Overview

The discussion revolves around building a single-seater hovercraft, focusing on design ideas, propulsion systems, and braking mechanisms. Participants share suggestions and seek advice on specific components such as the skirt design and braking solutions.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested, Homework-related

Main Points Raised

  • One participant is seeking ideas and suggestions for building a hovercraft, specifically mentioning a 20bhp motor and propeller setup.
  • Another participant suggests searching the forums for existing discussions and resources, including a lift calculator.
  • A participant mentions their own design for a braking system that involves reverse thrust and hydraulic brakes, although it has not been built yet.
  • Alternative braking ideas are proposed, such as using rollerblade or skate brakes, though concerns are raised about their effectiveness for a passenger-bearing vehicle.
  • There is a mention of the feasibility of reverse thrust as a braking option, which the original poster finds unlikely to work with their design.
  • The original poster requests blueprints or design instructions for the hovercraft skirt.

Areas of Agreement / Disagreement

Participants express differing views on the effectiveness of various braking mechanisms, with no consensus reached on the best approach. The discussion remains unresolved regarding the skirt design and braking solutions.

Contextual Notes

Participants have not provided specific assumptions or limitations regarding the design parameters or the feasibility of proposed solutions, leaving some aspects of the discussion open-ended.

Atul Nair
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hey guys i need to build a single seater hovercraft...

any ideas or suggetions...?
 
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Google!
 
Welcome to PF, Atul.
Just do a forums search right here. There are dozens, if not hundreds, of posts on this subject, including a lift calculator that Russ provided.
 
@robertm

i did google for it but the response wsnt all tht satisfactory...

@danger

thnx dude,

i'll do tht....as per my current plan i m planning to use a about 20bhp motor coupled to a propeller and use guide vanes to direct the air to the skirt and to provide the required forward thrust...

but the problems that i m facing is with the design of the skirt and the mechanism for braking...!
 
With the exception of the machine that I designed (but haven't built yet), there is no braking system available that I know of other than reverse thrust.
My system throws the lift and propulsion fans into reverse pitch, cranks the throttle, and drops a set of aircraft-type landing gear with hydraulic ABS brakes engaged.
 
For breaking, how about attaching a few rollerblade/skate brakes to manually operated levers?
 
I was totally unaware that either skates or blades had any kind of brakes. Regardless, though, I doubt that either of those systems would have anything like the stopping power required of a passenger-bearing vehicle.
 
reverse thrust option ws actually considered by me but its feasibility with my design is close too nil... so i m thnkin bout an alternative mechanism...


plus does anybody hv ne blue prints or design instructions for the skirt...??
 

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