﻿ how much helium to lift one pound

## how much helium to lift one pound

• ### LATEX BALLOON/HELIUM CHART

To determine the lift of a helium filled balloon, multiply the volume in cubic feet by .84 to determine ounces, Divide ounces by 16 to determine pounds. Lift is reduced approximately 7.5% for each 1000 feet above sea-level.

• ### how much Helium to lift 45lbs?? - RC Groups

Oct 16, 2009· 1 Litre of helium can lift approx 1gram. a cubic foot can lift approx 1 ounce. That balloon has to be pretty big to lift a person! It must be nonsense unless those guys really know how to seal mylar of such large size together.

• ### How Many Balloons to Lift a Person | How Many Are There

Mar 30, 2012· So the net lift of one 11-party balloon is the helium lift minus the balloon's weight: 8.6g-3.4g = 5.2 grams. Let's call it 5 grams even as you will probably have things like string or a tape of some sort to tie or connect things to the balloon. A kilogram is 1000 grams, so 1000/5 = 200 balloons will be required to lift the kilogram.

• ### Lifting gas - Wikipedia

A lifting gas or lighter than air gas is a gas that has a lower density than normal atmospheric gases and rises above them as a result. It is required for aerostats to create buoyancy, particularly in lighter-than-air aircraft, which include free balloons, moored balloons, and airships.Only certain lighter than air gases are suitable as lifting gases. Dry air has a density of about 1.29 g/L ...

• ### Balloon Performance Calculator – High Altitude Science

You calculate how much helium you need to launch your payload with the knowledge that 1 cu.ft. of helium will lift 28 grams. You divide the weight of your balloon and payload (2400 g) by 28 g/cu.ft. to get the total number of cubic feet of helium required for your launch (2400 g ÷ 28 g/cu.ft = 86 cu.ft.).

• ### How Many Balloons Does it Take to Launch Your Kid? | WIRED

One cubic foot of helium will lift about 28.2 grams, so multiply the volume of the balloon by 28.2. Divide by 448 – the number of grams in a pound – to determine the number of pounds it can ...

• ### It takes 16 cu ft of helium to lift 1 pound., so how much ...

Jun 17, 2003· It takes 16 cu ft of helium to lift 1 pound., so how much for me to fly? # - 08/28/06 10:56 PM (13 years, 5 months ago) Edit : Reply : Quote : Quick Reply :

• ### Helium Balloons Calculator

Jun 28, 2018· The density of helium is equal to 0.1785 grams per liter. The density of air, on the other hand, is about 1.25 grams per liter. Leaving some tolerance for the weight of the balloon and the string, we can approximate that every liter of helium has a lifting force of one gram.

• ### Helium Balloon Chart | Helium Tank Calculator | How much ...

Helium Balloon Chart & Helium Balloon Calculator – Quickly estimate how much Helium you need to inflate all of your Latex and Foil Balloons. HELIUM. E-Z Balloon Kit™ – This Portable Helium Balloon Tank Kit is the Fastest and Easiest way to inflate balloons on the go. Great for Birthdays, Office Parties, Tradeshows and more.

• ### How many helium balloons would it take to lift me ...

Helium is less dense than air. Helium has 0.0114 pounds per cubic foot. For a one cubic foot helium filled balloon, gravity pulls the down on the helium with a force of 0.0114 pounds while the air pushes up with a force equal to the weight of the air the helium displaced, or 0.0807 pounds. The difference in the up and down force is 0.069 pounds.

• ### how much helium needed to lift 140 lbs? | Yahoo Answers

Jan 26, 2008· It takes about 0.7 lbs of helium to lift 1 lb. So, about 100 lbs of helium. That's a lot. 0 0. MVB. Lv 6. 1 decade ago. What you need to do is calculate how much helium you need to displace 140 pounds of air, plus the weight of the helium itself.

• ### How many helium balloons would one need to lift a 200 ...

A typical helium-filled balloon on a ribbon can lift 4.8 grams. (in addition to the latex and the ribbon) 200 pounds = 89,600 grams Divided by 4.8 You'd need 18,667 party balloons. If you have access to one of the big balloons then one 20-foot balloon should lift you. 20-foot balloon has a radius of 10 feet.

• ### How much helium is needed to lift 1 lb? - Answers

Oct 29, 2007· Therefore, you get 25 grams lift for each mole of helium. To lift one pound (454) grams you need 21 moles of helium (or 84 grams of helium) about 3 ounces (weight) of helium. Which would take up 506 liters or 18 cubic feet. (the size of a refrigerator) 2 0. egleview. 1 decade ago. 200 pounds…

• ### It takes 16 cu ft of helium to lift 1 pound., so how much ...

Jul 22, 2004· Re: It takes 16 cu ft of helium to lift 1 pound., so how much for me to fly? [Re: Colonel Kurtz Ph.D ] # - 08/31/06 08:41 PM (13 years, 8 months ago)

• ### I am thinking about building a 1 or 2 man blimp. How many ...

How many cubic feet of helium is required to lift, say, 300 or 500 pounds? Asked by: Kevin Petersen Answer So you want to build a blimp! OK the first principle we need to invoke is that of buoyancy. Any object in a fluid feels an upward force equal to the weight of the fluid displaced by the object. For example, if a boat's hull takes the place ...

• ### Lifting Gases - Airship Wiki for the SmallBlimp Community

Stated another way, 1,000 cubic feet of hydrogen at 32 degrees [fahrenheit] temperature, at sea level, will lift 75.1 pounds while the same volume of helium will lift 69.6 pounds." Helium, a by-product of natural gas production, has a lifting capacity of 1.02 kg/m3 (0.0640 lb/ft3). Cost: US\$50 - US\$70/MCF (1000 cubic feet) Methane

• ### How many helium balloons does it take to lift 1 lb? - Answers

Research Experiment 110 Pound Person One Pound Brick 62 balloons!!! A normal balloon at an amusement park might be 30 cm (about 1 ft) in diameter. 4/3 x pi x 15 x 15 x 15 = 14,137 cubic cm = 14 liters If you weigh 50 kg (about 110 lbs), then you weigh 50,000 g. Divide your 50,000

• ### How much helium does it take to pick up a 1lb brick vs ...

Research Experiment 110 Pound Person One Pound Brick 62 balloons!!! A normal balloon at an amusement park might be 30 cm (about 1 ft) in diameter. 4/3 x pi x 15 x 15 x 15 = 14,137 cubic cm = 14 liters If you weigh 50 kg (about 110 lbs), then you weigh 50,000 g. Divide your 50,000

• ### How many balloons will it takes to lift a person or even a ...

Sep 14, 2015· Helium is much lighter than air so it float in the air . A normal balloon has a diameter of 1 foot, that is not a very big balloon and it only lift up to 14 grams. Such as 4 sugar packets. If you want to lift your lunch that weight a pound, you will need a 3 foot diameter balloon. This is a chart given by MAKING SCIENCE FUN!

• ### How much helium would be required to lift a mass of 35 lb ...

How much helium would be required to lift a mass of 35 lb? « Reply #12 on: 24/11/2008 04:26:28 » If your struck by lightning or something similar of that nature, hydrogen can be used.

• ### how many pound can helium lift? | Yahoo Answers

Oct 30, 2008· At sea level, air weighs about 4 lb/cubic meter, and helium weighs about 1/10th as much. So a cubic meter of helium can lift about 3.9 lb. Helium weather balloons are designed to expand as the atmospheric pressure decreases.

• ### HELIUM & WEIGHT CHART - balloons

8' Chloroprene 8' 16 lbs. 15.5 lb. (7.03kg) 267 cu. ft. <1 18 Days - ... Lift ability figures are calculated at standard temperature and pressure at sea level in an indoor setting. Actual results will vary greatly with inflation ... Helium Capacity 1.5 cu. ft. Average Float Time

• ### NASA - Advanced Space Transportation Program fact sheet

Today, it costs \$10,000 to put a pound of payload in Earth orbit. NASA's goal is to reduce the cost of getting to space to hundreds of dollars per pound within 25 years and tens of dollars per pound within 40 years. The high cost of space transportation coupled with unreliability is a …

• ### How much helium does it take to lift one pound? | Yahoo ...

Oct 30, 2007· Therefore, you get 25 grams lift for each mole of helium. To lift one pound (454) grams you need 21 moles of helium (or 84 grams of helium) about 3 ounces (weight) of helium. Which would take up 506 liters or 18 cubic feet. (the size of a refrigerator) 2 0. egleview. 1 decade ago. 200 pounds…