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#1
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Stupid Newbie Question about Design Issues
Hello All,
Long time lurker, 2nd time poster... I am still very new at this woodworking stuff. I have decided to make a toybox. It is going to be a pretty basic box, which my oldest son (very artistic) will base paint a light color, then hand paint with animals and toys and such. The rough dimensions are 18" deep, 20" high and 36" wide. My wife wants me to keep the materials cost to a minimum, and since it will be painted, I'm opting for plywood. My question is about the thickness. My original thought was 3/4 inch ply, but I'm now starting to wonder if that is unnecessarily thick, making the toybox unnecessarily heavy. So I guess I'm hoping for your input on two questions: 1 - If you were building a toy box of these dimensions, and you were going to use plywood to do it, would you use 3/4 or 1/2? 2 - Where would I find some kind of guidelines or rule-of-thumb about things like this (other than looking back in 20 years at my experiences...)? Thanks for the help, and for all the great posts! dw |
#2
Posted to rec.woodworking
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Stupid Newbie Question about Design Issues
Plywood is fine for a project like you describe. 1/4" or 3/8" ply
veneer or prefinished panels would be adequate. The important part is the frame. I would suggest a 1-1/2" X 1-1/2" box frame rabbeted to receive the plywood panels. Use a heavier piece of plywood for the bottom with full bearing on the inside frame. Make a detail drawing of every part with dimensions to follow during construction. Dry fit the frame and check all the joints, then glue the panels into the slots. This is a very light and strong construction method. Done with a nice hardwood frame and veneered plywood it could be a nice showpiece, or make it from A/C plywood and pine 2" X 4"s for a cheap job. Bugs |
#3
Posted to rec.woodworking
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Stupid Newbie Question about Design Issues
"dw" wrote in message
news:BENwf.688156$x96.344770@attbi_s72... Hello All, Long time lurker, 2nd time poster... I am still very new at this woodworking stuff. I have decided to make a toybox. It is going to be a pretty basic box, which my oldest son (very artistic) will base paint a light color, then hand paint with animals and toys and such. The rough dimensions are 18" deep, 20" high and 36" wide. My wife wants me to keep the materials cost to a minimum, and since it will be painted, I'm opting for plywood. My question is about the thickness. My original thought was 3/4 inch ply, but I'm now starting to wonder if that is unnecessarily thick, making the toybox unnecessarily heavy. So I guess I'm hoping for your input on two questions: 1 - If you were building a toy box of these dimensions, and you were going to use plywood to do it, would you use 3/4 or 1/2? 2 - Where would I find some kind of guidelines or rule-of-thumb about things like this (other than looking back in 20 years at my experiences...)? Thanks for the help, and for all the great posts! dw Just one word of caution from an old woodworker who raised two sons to manhood: Children will sit on boxes. Children will even stand on boxes in the strangest of circumstances. I doubt that a 1/2" plywood box would withstand the weight of a 10-12 year old boy. Norm |
#4
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Stupid Newbie Question about Design Issues
On Tue, 10 Jan 2006 12:20:49 GMT, "dw" wrote:
I am still very new at this woodworking stuff. I have decided to make a toybox. It is going to be a pretty basic box, If I was going to make a toybox, I have a hankering to make a "red barn" shaped box, as illustrated in Lon Schleining's "Treasure Chests" My wife wants me to keep the materials cost to a minimum, and since it will be painted, I'm opting for plywood. Plywood is good. Birch ply is lighter weight too, although more expensive. I'd use 1/2", but this will require a little framing around it. You can either rmake a full-blown frame and panel chest with plywood inserts (not too hard, but lots of mortices to cut) or else make a simple plywood box with stiffening fillet blocks inside the four corners. I'd suggest making a solid timber frame for the top (with four pegged bridle joints, as they're easier to make than mortices) and a plywood insert, but just doing the box body with plain plywood and inner reinforcements. Make the lid frame big enough to sit directly on the reinforcements. Biscuit jointing the lower box would be the easiest and quickest way to assemble it. Then tidy it up by running a band of timber (either some ready-shaped house trim, or just a thin board with a chamfered top) around the base to make a plinth. You could do it at the top too, but just overhanging the lid by 5/8" would look as good. Get one of Lee Valley's toybox lid dampers too. These are a viscous damper and much better than gas struts or springs. Don't make it too big. It's surprising how big and awkward a chest can be to live with, especially if it's getting pulled around the floor. |
#5
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Stupid Newbie Question about Design Issues
You can't make it too strong. Don't assume the kids will just
use it to store toys. The toy box might make a great submarine or fort -- and they'll climb all over it. dw wrote: 1 - If you were building a toy box of these dimensions, and you were going to use plywood to do it, would you use 3/4 or 1/2? |
#6
Posted to rec.woodworking
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Stupid Newbie Question about Design Issues
dw wrote: I have decided to make a toybox. It is going to be a pretty basic box, which my oldest son (very artistic) will base paint a light color, then hand paint with animals and toys and such. The rough dimensions are 18" deep, 20" high and 36" wide. 1 - If you were building a toy box of these dimensions, and you were going to use plywood to do it, would you use 3/4 or 1/2? I just finished building 5 plywood boxes 14" X 14" X 30" for Boy Scouts to haul camping gear in. 1/2 inch is plenty strong IF you use cabinet grade hardwood plywood. I'd use 3/4 if I were building with lower grade plywood. I built one prototype first to test of capacity and strength. We had two scouts with a combined weight of about 400 pounds sit on the box without significant deflection of the top. I ripped some oak scraps into 3/4 X 3/4 strips and glued them along all inside corners to strengthen the joints. After gluing the box, round over all edges with 1/4 radius bit for safety/esthetics. He'll be able to pass it down to his grandchildren. DonkeyHody "I'd rather expect the best from people and be wrong than expect the worst and be right." |
#7
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Stupid Newbie Question about Design Issues
"dw" wrote in message
1 - If you were building a toy box of these dimensions, and you were going to use plywood to do it, would you use 3/4 or 1/2? About the same size as an army surplus wooden footlocker from WWII/Korea/Vietnam era. The one I is have is at least 40 years old and, IIRC, made from 3/8" plywood. More than strong enough for a kids toy/play box as it was used as a microphone storage/lock box and routinely bounced around the country/world by 300 pound gorilla's, otherwise known as "roadies", back in the days of my yoot. A good design, maybe you can DAGS and find one on the net. If not, I could possibly take pictures and post them onABPW. -- www.e-woodshop.net Last update: 12/13/05 |
#8
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Stupid Newbie Question about Design Issues
dw wrote:
1 - If you were building a toy box of these dimensions, and you were going to use plywood to do it, would you use 3/4 or 1/2? I wouldn't, I'd use solid wood. But then again I'm very partial to solid wood and most everything I build is all from solid wood. I also tend to think solid wood holds up better under abuse. 2 - Where would I find some kind of guidelines or rule-of-thumb about things like this (other than looking back in 20 years at my experiences...)? Well, one guideline that has been mentioned in other threads is that you should realize that kids are goind to beat the crap out of it... especially boys. Build accordingly. Joe Barta |
#9
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Stupid Newbie Question about Design Issues
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#11
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Stupid Newbie Question about Design Issues
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#12
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Stupid Newbie Question about Design Issues
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#13
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Stupid Newbie Question about Design Issues
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#14
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Stupid Newbie Question about Design Issues
J T wrote: Anything going in my shop, tool stands, etc., is made from the cheapest 1/2" plywood I can get. No problem at all with strength issues. Joat, I'm sure you're right about strength not being a problem. After all, the cheapest 1/2" CDX works for roof decking supported on 24" centers. But you've got to admit that hardwood is stiffer. I just like my stuff to be strong and solid-feeling. DonkeyHody "We should be careful to get out of an experience only the wisdom that is in it - and stop there; lest we be like the cat that sits down on a hot stove-lid. She will never sit down on a hot stove-lid again---and that is well; but also she will never sit down on a cold one anymore." - Mark Twain |
#15
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Stupid Newbie Question about Design Issues
DonkeyHody wrote:
After all, the cheapest 1/2" CDX works for roof decking supported on 24" centers. Well, let's clarify that. The cheapest CDX is usually 3-ply... which is significantly inferior to the standard 4-ply usually found in new home construction. That said, ANY 1/2" material (and to a lesser degree 3/4" spf) is going to be a little flimsy at 24" centers. The deck is made FAR stiffer if 16" centers are used. Are 24" centers "good enough"? According to nearly all building codes it is. But building codes can be thought of as the minimum that will be accepted. From there it's your call ;-) Joe Barta |
#16
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Stupid Newbie Question about Design Issues
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#17
Posted to rec.woodworking
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Stupid Newbie Question about Design Issues
Joe Barta wrote: DonkeyHody wrote: After all, the cheapest 1/2" CDX works for roof decking supported on 24" centers. Well, let's clarify that. The cheapest CDX is usually 3-ply... which is significantly inferior to the standard 4-ply usually found in new home construction. That said, ANY 1/2" material (and to a lesser degree 3/4" spf) is going to be a little flimsy at 24" centers. The deck is made FAR stiffer if 16" centers are used. Are 24" centers "good enough"? According to nearly all building codes it is. But building codes can be thought of as the minimum that will be accepted. From there it's your call ;-) We're sort of like the blind men and the elephant. The reason we can't agree is that we're talking about different things. Some are plenty happy if the roof (or box) doesn't cave in, and they have one idea of "strong enough". Others want a good solid feel when they jump up and down on it, and for them "strong enough" means something entirely different. DonkeyHody "We should be careful to get out of an experience only the wisdom that is in it - and stop there; lest we be like the cat that sits down on a hot stove-lid. She will never sit down on a hot stove-lid again---and that is well; but also she will never sit down on a cold one anymore." - Mark Twain |
#18
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Stupid Newbie Question about Design Issues
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#19
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Stupid Newbie Question about Design Issues
DonkeyHody wrote:
We're sort of like the blind men and the elephant. Never heard of that. I'll either have to look it up or you'll have to explain it. The reason we can't agree Are we not reasonable men? Of course we can find agreement ;-) is that we're talking about different things. Some are plenty happy if the roof (or box) doesn't cave in, and they have one idea of "strong enough". Others want a good solid feel when they jump up and down on it, and for them "strong enough" means something entirely different. Point well taken. And of course, cost has to be taken into account. If by choice and design the budget is tight, then it may not be strong enough for anybody... but it may have to do anyway. That said, assuming a budget that is not cut to the bone and the desire that the roof can withstand a little jumping around, I think you'd agree that 16" centers is the way to go ;-) Joe Barta |
#21
Posted to rec.woodworking
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Stupid Newbie Question about Design Issues
Joe Barta wrote: We're sort of like the blind men and the elephant. Never heard of that. I'll either have to look it up or you'll have to explain it. Remember that you asked . . . The Blind Man and the Elephant It was six men of Indostan To learning much inclined, Who went to see the Elephant~(Though all of them were blind), That each by observation~Might satisfy his mind. The First approached the Elephant, And happening to fall Against his broad and sturdy side, ~ At once began to bawl: "God bless me! but the Elephant ~ Is very like a wall!" The Second, feeling of the tusk, Cried, "Ho! what have we here? So very round and smooth and sharp? ~ To me 'tis mighty clear This wonder of an Elephant ~ Is very like a spear!" The Third approached the animal, And happening to take The squirming trunk within his hands, ~ Thus boldly up and spake: "I see," quoth he, "the Elephant ~ Is very like a snake!" The Fourth reached out an eager hand, And felt about the knee. "What most this wondrous beast is like ~ Is mighty plain," quoth her; "'Tis clear enough the Elephant ~ Is very like a tree!" The Fifth who chanced to touch the ear, Said: "E'en the blindest man Can tell what this resembles most; ~ Deny the fact who can, This marvel of an Elephant ~ Is very like a fan!" The Sixth no sooner had begun About the beast to grope, Than, seizing on the swinging tail ~ That fell within his scope, "I see," quoth he, "the Elephant ~ Is very like a rope! And so these men of Indostan Disputed loud and long, Each in his own opinion ~ Exceeding stiff and strong, Though each was partly in the right ~ And all were in the wrong! So oft in theologic wars, The disputants, I ween, Rail on in utter ignorance Of what each other mean, And prate about an Elephant Not one of them has seen! -John Godfrey Saxe |
#22
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Stupid Newbie Question about Design Issues
J T wrote: Tue, Jan 10, 2006, 1:18pm (EST-3) (DonkeyHody) now thinks I'll admit: snip But you've got to admit that hardwood is stiffer. snip I don' got to admit nuthin'. Uh sorry. Begging your pardon. I temporarily forgot who I was talking to. Of course you don' got to admit nuthin. You are JOAT after all. But any reasonable person would admit that hardwood is stiffer. If it's stiffer over the long span then it's stiffer over the short span too. Whether or not the difference in stiffness is important is a personal preference, not a question of fact. Now I enjoy recreational arguments as much as the next guy, but typing is not my favorite activity. So I'm gonna bow out now without asking you to admit to anything else. In good fun DonkeyHody |
#23
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Stupid Newbie Question about Design Issues
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#24
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Stupid Newbie Question about Design Issues
I used cheap pine 1x4 and 1x6 with 2x4 for the corners and a smidgen
of plywood for the top and bottom. http://www.avercy.com/knothole/image...oychest11b.jpg On Tue, 10 Jan 2006 12:20:49 GMT, "dw" wrote: Hello All, Long time lurker, 2nd time poster... I am still very new at this woodworking stuff. I have decided to make a toybox. It is going to be a pretty basic box, which my oldest son (very artistic) will base paint a light color, then hand paint with animals and toys and such. The rough dimensions are 18" deep, 20" high and 36" wide. My wife wants me to keep the materials cost to a minimum, and since it will be painted, I'm opting for plywood. My question is about the thickness. My original thought was 3/4 inch ply, but I'm now starting to wonder if that is unnecessarily thick, making the toybox unnecessarily heavy. So I guess I'm hoping for your input on two questions: 1 - If you were building a toy box of these dimensions, and you were going to use plywood to do it, would you use 3/4 or 1/2? 2 - Where would I find some kind of guidelines or rule-of-thumb about things like this (other than looking back in 20 years at my experiences...)? Thanks for the help, and for all the great posts! dw |
#25
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Stupid Newbie Question about Design Issues
Wed, Jan 11, 2006, 1:10am (EST+5)
(Andy*Dingley) doth admit: snip I saw one once that had cow "passengers" painted on these steel windows. I would have thought something like this would have been more appropriate, given the place. http://leovilletownsquare.com/incomi...un_mooning.gif JOAT You'll never get anywhere if you believe what you "hear". What do you "know"? - Granny Weatherwax |
#26
Posted to rec.woodworking
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Stupid Newbie Question about Design Issues
"Bugs" wrote in message oups.com... Plywood is fine for a project like you describe. 1/4" or 3/8" ply veneer or prefinished panels would be adequate. The important part is the frame. I would suggest a 1-1/2" X 1-1/2" box frame rabbeted to receive the plywood panels. Use a heavier piece of plywood for the bottom with full bearing on the inside frame. About 38 years ago I made one with that size frame. the plywood was nailed onto it. Lasted through two kids, a couple of grandkids, now is my wife's storage box. Still in very good condition. |
#27
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Stupid Newbie Question about Design Issues
I might just but him one!
On Wed, 11 Jan 2006 04:03:49 -0000, Edwin Pawlowski wrote: "Bugs" wrote in message oups.com... Plywood is fine for a project like you describe. 1/4" or 3/8" ply veneer or prefinished panels would be adequate. The important part is the frame. I would suggest a 1-1/2" X 1-1/2" box frame rabbeted to receive the plywood panels. Use a heavier piece of plywood for the bottom with full bearing on the inside frame. About 38 years ago I made one with that size frame. the plywood was nailed onto it. Lasted through two kids, a couple of grandkids, now is my wife's storage box. Still in very good condition. -- www.connoraston.com If I cant make it - I'll Try! |
#28
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Quote:
How about using 3/4" mdf? It is heavy, but it is inexpensive. For painting, its smooth surface can't be beat. If you are moderately careful with your joinery, you can build a rock solid box that can take a ton of abuse. I'd probably avoid the lid (or use stout lid support hardware) otherwise you will have conked heads and squished fingers. About five years ago I built a pyramidal shaped box with a flat top for my 1945 era shopsmith turned dedicated drill press. This is a super heavy tool and the box-base has held together great. I'm a pretty big guy (250 lbs) and I actually jumped hard on the box before mounting the tool - the box didn't even squeak under the pressure and weight. Scott |
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