Lazy Daze Owners' Group

Hello friends,

Many, many years ago there was this question posed - “Which weighs more, a pound of feathers or a pound of lead”? I think they are equal in weight. Did they ever answer that question? It was a long time ago when I was young and easily distracted. Does anyone know the answer?

So today I was going over my LD owners manual and found a note on the bottom of a page that referenced cargo carrying capacity. It said that WATER WEIGHS 8.3 lbs per Gallon. Ok that is informative. It also stated that GASOLINE WEIGHS 6.0 lbs per gallon. Say what? That’s interesting. It also stated that PROPANE WEIGHS 4.2 lbs per gallon. That kinda makes sense. I think. I am no genius but the weight difference between liquids was fascinating to me.

This makes me wonder what other common everyday RV trivia or other of life’s commonalities amaze us. I mean, hey, a pound of silver weighs the same as a pound of gold does it not? I would certainly enjoy having either in my possession.

Just curious.

Kent

Maybe not strictly RV, but...
Which Ounce? (https://blog.littletoncoin.com/difference-troy-ounces-avoirdupois/)
 ;)

Those are good numbers to know when calculating your rig's weight! They're fairly easy to remember--4, 6 or 8 pounds per gallon for propane, gas, or water.

Since I struggle to remember what I had for breakfast, those fluid weights get lost as soon as I’m finished reading them.   So I’ve become a prolific note maker for essential information in my tiny world. 😜

A pound of anything will always be a pound of it.   The volume of something will be equal at equal volumes.   However, the weight of an equal volume will be different depending on the density of the atoms in the substance.   The heaviest per unit measure of volume is spent Uranium.  Hopefully, nobody in this forum will have ever had the 'joy' of seeing or knowing that.  To put it another way, a pound of water will have a different volume than a pound of gasoline. (assuming the same outside temp and air pressure)

glen 
(retired radiation therapist)

The heaviest per unit measure of volume is spent Uranium.  Hopefully, nobody in this forum will have ever had the 'joy' of seeing or knowing that. 

In the navy, one of my jobs was to perform (industrial) radiography. As I recall, our gamma radiography cameras used depleted uranium as shielding for the Iridium source.  Depleted uranium is denser and provides greater protection than lead.

Gamma Radiography for Industrial Inspections - OnestopNDT (https://www.onestopndt.com/ndt-articles/gamma-radiography-testing)

"The heaviest per unit measure of volume is spent Uranium."

Depleted Uranium is commonly used in projectiles for military weapons, deadly when used on tank armor!

But, an ounce of prevention has more heft than a pound of cure.... ;)

"deadly when used on tank armor"

True, because of its very high density. But depleted uranium is also potentially deadly to veterans (https://www.webmd.com/health-insurance/what-to-know-depleted-uranium-exposure-veterans) and to civilians, due to tons of spent ammo lying around, or worse, aerosolized on impact with armor, after every battle. While the word "depleted" suggests that it's harmless, in fact DU is 60% as radioactive as natural uranium--in other words, still dangerous.

I travel with a buddy.
He has a big Winnebago tour and tows a Jeep Grand Cherokee.
He has three dogs, a dishwasher and washer and drier so uses a lot of water.
We like to stay put for awhile and it made more sense to bring water to the RV's instead of moving the RV's to get water.
We found a water bladder that holds 150 gallons of water, his can hold 85 and mine holds 60, so even if we are bone dry, the bladder can fill us both.
The bladder fits in the back of the Jeep perfectly so weight distribution is pretty even.
You can really tell the difference when the bladder is mostly full. Adding 1200 pounds is a lot.

We found a water bladder that holds 150 gallons of water, his can hold 85 and mine holds 60, so even if we are bone dry, the bladder can fill us both.

Ah, if only mine could hold that much!   ;)

I remember the old riddle something more like "which weighs more, a pound of silver or a pound of feathers?"

(the answer is then alleged to be the feathers...  see the link Joel Wiley posted for the reasoning behind the trick question)

That bladder full of water would do well as a hot water heater for an outdoor shower. Difficult to hang from a tree, though.

Back in the day when my Grandfather was a cop during prohibition “Rum Runners would smuggle booze in tanks located inside the cars hidden by the headliner. Police would chase the runners down the road then pull a pit maneuver on the criminals and the car would flip out of control ruining their day pretty quickly.

They may have faired better with a lower center of gravity.

We like to stay put for a while and it made more sense to bring water to the RV's instead of moving the RV's to get water.
We found a water bladder that holds 150 gallons of water, his can hold 85 and mine holds 60, so even if we are bone dry, the bladder can fill us both.

How are you storing so much wastewater?  Flooding the local squirrel; holes?
 
Larry

We have a 42 gallon portable waste tank and use it to dump.
Sometimes we empty it in the woods and sometimes we take it to a dump station.
Depends on where we are.

We have a 42 gallon portable waste tank and use it to dump.
Sometimes we empty it in the woods

Really?
And we wonder why more areas are being closed off to dispersed camping.

Larry

You can really tell the difference when the bladder is mostly full. Adding 1200 pounds is a lot.
[attach type=image]38620[/attach][attach type=image]38622[/attach]

Do you drive the Jeep with a full bladder? Or with it partially full? That seems a bit scary at highway speeds, but maybe not a problem if you are creeping around the outback at 15-20 mph.

We have had it mostly full, at least 120 gallons.
We are careful after filling to take it easy on the way back to camp.
We have driven it 40 miles sometimes and it is fine.
Even on forest service roads which can be tricky.

Ah, if only mine could hold that much!  ;)

mine is about two beers.