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by MrGood
February 24th, 2017, 2:56 pm
Forum: Wright Stuff B
Topic: Flying Backwards
Replies: 3
Views: 1402

Flying Backwards

We have a plane that starts out ascending and flying forward, but after a couple of second it starts to swoops backwards and flies backwards until it crashes quickly thereafter. What could be causing the plane to go backwards? Plane Weight- 7.67 grams Wingspan 44 cm Wind Cord 10 cm Plane length- 49 ...
by MrGood
February 21st, 2017, 5:19 pm
Forum: 2017 Lab Events
Topic: Hovercraft B/C
Replies: 906
Views: 105126

Re: Hovercraft B/C

How do you calculate CFM of a motor

Is the CFM based off of RPM?
by MrGood
February 21st, 2017, 5:15 pm
Forum: 2017 Lab Events
Topic: Hovercraft B/C
Replies: 906
Views: 105126

Re: Hovercraft B/C

How complex is the Hovercraft test in regards to calculus types of questions
by MrGood
February 21st, 2017, 2:52 pm
Forum: 2017 Lab Events
Topic: Optics B/C
Replies: 190
Views: 26685

Re: Optics B/C

I haven't been able to find any good sources for the films chemicals and dies section of the absorbtion spectra topic, does anyone have good sources they know of or general inforation?
by MrGood
January 19th, 2017, 2:07 pm
Forum: 2017 Lab Events
Topic: Hovercraft B/C
Replies: 906
Views: 105126

Re: Hovercraft B/C

What can be used to control the speed of the motor,
by MrGood
January 17th, 2017, 2:39 pm
Forum: 2017 Lab Events
Topic: Hovercraft B/C
Replies: 906
Views: 105126

Re: Hovercraft B/C

What was Christopher Cockrell's theory?
by MrGood
January 9th, 2017, 2:45 pm
Forum: 2017 Lab Events
Topic: Hovercraft B/C
Replies: 906
Views: 105126

Re: Hovercraft B/C

What would be the CFM needed to create enough propulsion to levitate a 2kg(the max weight) hovercraft.
by MrGood
December 5th, 2016, 9:11 pm
Forum: 2017 Lab Events
Topic: Hovercraft B/C
Replies: 906
Views: 105126

Re: Hovercraft B/C

My hovercraft has a 28cm by 18cm body with a 103.3 grams weight and a skirt made out of a plastic garbage bag connected across all corners of the body. I have been using one nonbrush-less 3 volt described motor plugged into a 9 volt battery, thinking that the 9 volt battery will give more power to t...
by MrGood
October 1st, 2016, 3:05 pm
Forum: 2017 Lab Events
Topic: Hovercraft B/C
Replies: 906
Views: 105126

Hovercraft Division B

So I've been working on my hovercraft design for the event, and is wondering if anyone has tips on building an air vent that will provide enough air for the hovercraft to reach a few centimetres off of the ground (2-4) in order to have less friction on the base so that my hovercraft can build enough...

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