Posted by: BibleScienceGuy | August 15, 2018

Mystery Revealed

(2 Minute Read)

In last week’s blog post Mystery, I asked a question regarding this picture of something at one of our recent campsites:
What is under the tarp?

I figured some people might guess the general category of item, but I doubted anyone would identify the specific details of interest that caused me to want to blog (brag) about it.

And this proved to be correct.

Timothy, David, and Patricia guessed firewood. This guess was in the right neighborhood, but still missed the key feature of the Tarp Mystery.

So what in the world is under the tarp? What is the Tarp Mystery?

The BibleScienceGuy with his
homemade firewood rack.

Tarp Mystery Revealed

The mystery item is my
Homemade Firewood Rack.
It is full of hardwood, stored in an attractive and condensed form as shown in this picture. It is simple, yet functional and aesthetically pleasing.

I made the rack out of a cement block for the base and two 2x4s inserted in the openings of the cement block and angling outward. The 2x4s go all the way through the holes to the ground. Each 2×4 presses on two places of the block — at the top and bottom of each hole at diagonally opposite spots.

I continued to add wood to the rack till the pile was almost as high as I am tall (6′).

This was my first attempt at this type of rack, and it turned out well. But I do have some modifications for the next time I build it to address some concerns.

One concern was stability. I placed it near the back of our campsite in an untrafficked area, but it could still be pushed over if someone ran into it.

Another concern was the stress on the concrete blocks where the 2x4s contact the block. There is considerable shearing force at these points. Concrete is strongest in compression and doesn’t do so well in tension, so with sufficient wood weight the base block could crack and collapse the entire rack and wood pile.

To address these concerns, next time I plan set it in front of a sturdy tree and to use two cement blocks side-by-side, with two 2x4s in each block. Then the wood stack will be supported by four 2x4s, two on each side, and there will be two cement blocks at the base which will increase stability.

Originally I had two more 2x4s supporting the 2x4s going into the cement block. I wedged them in between the ground and each slanting 2×4 holding the wood. But the 2x4s holding the wood are plenty strong and don’t need those braces, so I removed them.

To help stabilize the rack, I snugged a log up against the backside of the cement block as shown in this picture. It has a short limb sticking out which prevents it from turning over, so it will add stability to the pile on one side. The cement block is unlikely to turn over in its direction.

An additional stability improvement would be to add an outrigger log to the bottom of the stack — a six-foot-long curved log as the first piece of wood in the rack, resting on top of the cement block, and perpendicular to it with both ends on the ground.

Questions to Ponder

1. Do you have any suggestions or improvements for my wood rack?
2. Which Bible mystery did you ponder last week?

Share your thoughts on these questions in the comments below. It could encourage or help another reader.

Soli Deo Gloria.

Read the prequel:
Mystery

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©William T. Pelletier, Ph.D.
“contending earnestly for the faith”
“destroying speculations against the knowledge of God”
“for the defense of the gospel”
(Jude 1:3; 2 Cor 10:5; Phil 1:16)
Wednesday August 15, 2018 A.D.

Now I say this, brethren, that flesh and blood cannot inherit the kingdom of God; nor does the perishable inherit the imperishable. Behold, I tell you a mystery; we will not all sleep, but we will all be changed, in a moment, in the twinkling of an eye, at the last trumpet; for the trumpet will sound, and the dead will be raised imperishable, and we will be changed. (1 Corinthians 15:50-52)


Responses

  1. A horizontal 2×4 member would create a double ‘T’ effect on either side. Then, across the top of your wood rack, from ‘out to out’, attach a small load binder or heavy-duty rubber straps (aka bungee cords).

    Like


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