วันเสาร์ที่ 7 เมษายน พ.ศ. 2555

Hip Roof Framing Plans - Designs and Illustrations

Equal pitch hip roof framing plans showing basic hip framing layout and placement of common rafters and hip roof rafters by custom house plan designer.

In this article we will try to show you how to build a simple "hip roof" and try and show the component parts that make up an "equal pitch hip roof" structure using the "double cheek cut hip rafter method" used by most framers today.

In this method of construction the center ridge board will grow by half the thickness of the ridge board material, usually 3/4" at each end of the structure.

In this example we are looking down on the right rear corner of a simple rectangular building. Using half the span distance of the building less half the ridge board thickness which is 3/4" in this example, mark your top plate and set ahead 1 1/2". That will be the location of the first common rafter front and rear on both ends of the building.

Your jack rafters will start from that position and layout on 16" centers toward the right rear corner. This is the hip and jack rafter measurements as shown in this example. You could actually cut all four hip sections from these measurements and they would complete your rafter construction perfectly.

But that would not work well for ceiling joist layout and being able to tie both rafters (common and Jacks) together to create a solid and well built home. So we would want to offset the common and jack rafters 1 1/2" to allow both to be able to lap beside each other and be nailed together forming a well built roof system.

This method will cause all of the rafters and jack rafters on the front side to maintain a 16" on center balance.

This makes cutting the roof sheathing much easier and quicker. In the event the ceiling joist are used as a attic flooring your plywood sheathing will work well also.

Note: This will force you to custom cut the front right corner as well as the front and rear sections on the left end of the building. I show this in figure #4 marked "Special Cut Jack Rafter Layout" near the bottom of the page.

Not to worry though its easy to do. The right front section jacks would simply be 1 1/2" shorter. The left end can be simply measured once your layout work is complete maintaining your 16" on center the entire width of the building. The remaining jack rafters in these two sections would simply decrease each one by a given number according to the roof pitch used.

Common Rafters:
Common rafters are the same on gable roofs as well as on hip roofs and can be figured exactly the same way.

Hip Corners:
Regular pitch hip roofs means that all four sides are on the same angle plane and will run at a 45 degree angle directly from the corner to the end of the center ridge board.

Hip Rafters:
Hip roof rafters are designed with a lower pitch so the corner can be made and roof sheathing can be applied to form the corner of the structure properly. It also carries the smaller jack rafters.

Plan View:
Our plan detail drawing shows all four corners of this simple hip roof structure with all common rafters, hips and jack rafters fitting together properly.

Equal Pitch Roof Rafter Layout:
Placing the ridge and common rafters should be the first thing to be laid out on your wall top plates. From this layout you can mark out all the rest of the common and jack rafter positions. It might be a good idea to draw a big X where the rafters will actually set.

Hip Rafter Side Cut Angles:
This side cut angle can be obtained the same way as the jack rafter cheek cut angle.

Jack Rafter Side Cut Angles:
Side cut angles or commonly called cheek cuts enable the jack rafter to connect properly with the side of the hip rafter.

Plywood Cut Angles:
Even though a equal pitch hip roof has hips running inward at a 45 degree angle the plywood sheathing cut angle is very different and on our 4x12 pitch roof example it turns out to be 46.53 degrees.

Jack Rafters:
Jack rafters start with the first common rafter and continue on to make up the complete corner. These must be calculated properly to fit in order for the sheathing to continue to the corner. When installing your jack rafters be sure to straighten the hip rafter and install the first two jack rafters some where in the middle to secure the hip. When you install one side install the other side of the hip as well. This will help keep the hip rafter nice and straight.

Typical Ceiling Joist Layout:
Ceiling joist layout if placed properly will enable you to set all rafters much quicker and finish with a very neat project.

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วันจันทร์ที่ 2 เมษายน พ.ศ. 2555

SketchUp and CAD - Creating Walls

This is video 2 in working with SketchUp and CAD and progresses from our previous video in using the CAD plan as a reference to create interior and exterior walls for our model.

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วันพุธที่ 21 มีนาคม พ.ศ. 2555

Supercross - Las Vegas 2011 - First Place Supercross Award

Ryan Villopoto's acceptance speech. Monster Energy AMA Supercross, an FIM World Championship, is an off-road motorcycle racing competition, produced inside a stadium that seats no less than 35000 fans, where dirt is brought in and sculpted using construction equipment. Widely regarded as the king of extreme sports, AMA Supercross is considered the NASCAR of motocross. Some of the world's greatest athletes compete in what has been described as the most physically demanding sport in existence Top supercross riders James Stewart, Chad Reed, Ryan Dungey and more battle it out for the 2011 AMA Supercross crown. Monster Energy® AMA Supercross, an FIM World Championship, is the premier off-road motorcycle racing circuit in the world, produced inside the worlds most elite stadiums. Monster Energy® Supercross tracks are man-made inside the stadium. Some of the sports marquee names include Chad Reed, James Stewart and former supercross greats Jeremy McGrath and Ricky Carmichael. Regarded as the king of action sports, supercross has been described as one of the most physically demanding sports. Monster Energy® Supercross can be seen on CBS Sports and SPEED Channel.

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วันอาทิตย์ที่ 18 มีนาคม พ.ศ. 2555

A Child and a Wooden Toy Barn

What parent and grandparent does not want to give their child a unique toy that can be uplifting? A wooden toy barn would be a toy that would be high on the list. Children love to be in their own pretend world and what better world to be in than a play farmer?

Raising my children on a dairy farm, their dad built a barn for his children before they were born. This barn was not only a barn but represented a lifestyle. Children can play out their own world of parents and grandparents with a wooden toy barn.

I place a lot of emphasis on wooden toy barns because I believe that they are so much better in construction than the many plastic toy barns that are made and found in many stores today. Wooden toy barns are greatly detailed and become a unique, wooden toy that is manufactured here in the USA.
Some wooden toy barns have 4 sides and other wooden toy barns are open in the back so that a child has easy access to the inside with a loft and stall inside to play with all the animals that they "own."

Other wooden toy barns are large enough to be used as a toy box and even climb inside them and hide! No matter the size of wooden toy barns, they can all be used as toy boxes to keep their farm implements and animals inside. This also helps to keep things organized and helps a child to learn the skills of organization as well.

When playing with a wooden toy barn another toy that is almost essential is a wooden toy fence. All livestock farmers need to keep their animals corralled somehow and so does the little farmer. The best fences I have seen are the wooden toy fences that are expandable. These fences are nice as they can be in square or circle and fold up and can be stored inside the barn once the educational playtime is over.

Wooden toy barns made in the USA can be an excellent choice for a parent to give a child if they want to give a unique, quality built toy. A wooden toy barn can be purchase but there is another gift that comes with a different price tag. This gift can not be bought but it is spelled T-I-M-E. There is something special about that word when you see a child playing with a barn, fence and animals. When seeing a child so involved with their "real world", I would recommend that you put the remote down and join the little one and spend that last hour before bedtime feeding and caring for the livestock and encouraging the little farmer.

A wooden toy barn can be passed from generation to generation if given tender, loving care, and just as it seems like you blink your eyes and your child is grown and gone, there may come a day when the wooden toy barn that you gave your child, can now be given a new life playing once again..... this time with a wonderful grandchild! Yes, a wooden toy barn is a toy of yesterday, today and tomorrow.

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วันเสาร์ที่ 17 มีนาคม พ.ศ. 2555

Autodesk Inventor 2010 Tube and Pipe Design

Be certain your pipe runs, rigid tubing, and flexible hose will fit properly by creating a digital prototype to provide accurate manufacturing documentation with the robust tubing and piping functionality in Autodesk Inventor Professional.

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วันศุกร์ที่ 16 มีนาคม พ.ศ. 2555

32nd Annual National Farm Toy Show

Several representatives from GoMotorBids.com attended the 32nd Annual Farm Toy Show in Dyersville, IA on November 6-8, 2009. Here's a brief video highlighting a few things we saw. Legendary toy maker Fred Ertl, Jr. was signing autographs, and promoting the auction of his massive personal collection of rare and unique toys and collectibles, all which is taken place over the next few months on GoMotorBids.com. If you are someone who collects farm tractors, construction equipment, vintage toys, diecast cars or trucks, tin toys, or old model kits, then you should check this auction out. Mr. Ertl has some extremely hard to find and even some one-of-a-kind pieces that have never before been offered to the public. See them all at GoMotorBids.com, plus thousands of other auctions for transportation collectibles and memorabilia.

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วันพฤหัสบดีที่ 15 มีนาคม พ.ศ. 2555

Lean Manufacturing Cell

100% employee utilization, waste elimination, continuos flow

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