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09-25-2009, 09:23 PM
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#1
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Senior Member
Trailer: 1988 Perris Pacer ('Bean') / 2004 Element
Posts: 1,109
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Ok, DH and I had a "discussion" about whether replacing the cabinet doors would REALLY make that much of a weight savings. I say yes, he says no. I can't find a post where anyone has actually weighed the darn things, but I did find the following equation. I have not measured the doors in the Pacer yet, but someone out there with their camper on hand could do some measuring and math. (I have the 2 cabinets over the sink, one door below the sink, 2 longer doors on the overhead storage front and back, the portapotti door and the closet door.)
My wittle brain is fried! Go for it!!
QUOTE FOLLOWS:
Based on what I know given the information provided by the manufacture of the MDF, a piece of mdf that is 12" x 12" x 3/4" weights in around 3 lbs.
So, based on that weight scale and breaking it down to the square inch, I use the following to determine the overall weight from a given size enclosure:
12" x 12" x 3/4" MDF = 3lbs or 48 oz.
48 oz. ÷ 144 sq.in. = .33 oz. per 1" x 1" x 3/4" MDF
So, add up the total amount of sq.in. of mdf used to build the box, then take that total and multiply by .33 oz = total weight of enclosure in ounces and divide by 16 oz. = total weight of enclosure in pounds.
Example:
Enclosure Size - 36" w x 12" h x 12" d = 2016 sq.in. 3/4" MDF
2016 sq.in. x .33 oz. = 665.28 oz. ÷ 16 oz. = 41.58 lbs.
The same method of calculation can be applied to other materials provided that you know what the weight of the material is per square foot.
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Phil Salisbury
Woodlawn Cabinetry
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1988 Perris Pacer
2010 Honda Ridgeline
2013 Winnebago Minnie 2101FBS
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09-25-2009, 09:52 PM
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#2
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Senior Member
Trailer: 94 Casita 16 ft
Posts: 198
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Door for door, you will see significant weight savings by getting rid of the MDF, but there won't be any appreciable weight savings as far as the camper goes. That being said, the only real effects will be appreciated outside of the weight savings ie: appearance, less strain on cabinets and hardware, less prone to swelling, and stronger in general.
Cost, and time spent making the doors are about the only real reasons to not make them.
p.s. personally, I'd leave the MDF because they don't bother me.
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09-25-2009, 09:56 PM
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#3
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Senior Member
Trailer: 1979 13 ft Boler and 1987 Bigfoot 5th Wheel
Posts: 2,025
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My ex closet door retrieved from the depths of the garage for information purposes weighs 9.2 lbs.
I know the cherry doors dad made for me weigh much less, how much I don't know. Considering I have the second heaviest 13 footer ever weighed I guess they didn't make much difference.
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1979 Boler B1300 | 1987 Bigfoot 5th Wheel | 1988 Bigfoot 5th Wheel | We officially have a collection!
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09-25-2009, 10:02 PM
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#4
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Senior Member
Trailer: 1988 Perris Pacer ('Bean') / 2004 Element
Posts: 1,109
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Thanks Liz and Paul--- now we're getting somewhere! If it's not really going to make a difference in the actual weight I'm towing, I could just paint the doors and leave em!
Can't wait to hear other opinions!
__________________
1988 Perris Pacer
2010 Honda Ridgeline
2013 Winnebago Minnie 2101FBS
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09-25-2009, 11:01 PM
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#5
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Senior Member
Trailer: 2005 19 ft Scamp 19 ft 5th Wheel
Posts: 1,555
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That's a valid point. I did weigh my old and new doors as they went in. I've forgotten the exact numbers since, but remember the new doors were 50-60% of the weight of the originals. So replacing all the doors on my kitchen cabinets (there are 12 of them) probably saved around 12 pounds of weight.
On their own that's not a lot of weight savings, but it adds up if you replace all the high-weight particle/MDF board in your trailer with lighter weight materials. Replacing our MDF dinette table with one made out of birch ply we saved 10+ pounds (and made it easier to move around). Replacing our bathroom door ten pounds more. Hatch covers . . . the removable shelf under the microwave and the bottom of the big cabinet in the kitchenette. It adds up after a bit and is a valuable weight savings you can use for other stuff when you're towing close to your limit. And it's not all that expensive to do, either.
To me, however, the weight savings alone are not worth it unless it also makes our trailer nicer. The old cabinet doors were ugly, the new ones are nice. Our new dinette looks nicer and slides back and forth so it's easier to get in and out of the dinette. The new "privacy room" door not only looks nicer, it has a built-in full-length mirror and still weighs 10 pounds less than the original.
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09-25-2009, 11:55 PM
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#6
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Senior Member
Trailer: 1974 Boler 13 ft (Neonex/Winnipeg)
Posts: 3,008
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Another thought is that while something like 40# may not be much in terms of overall weight, if you are towing at or near your vehicle's limit, and you think of that 40# in terms of personal stuff that you could bring or not bring -- well, that's a 40# I wouldn't want to leave at home.
Also, once you have the mindset, you may find it encourages you to lighten up in other ways too (as Peter mentioned, hatch lids, plus flooring and etc.)
But yeah, you have to look at it for your particular situation
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09-26-2009, 06:05 AM
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#7
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Senior Member
Trailer: 17 ft 1986 Burro
Posts: 889
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Quote:
Another thought is that while something like 40# may not be much in terms of overall weight, if you are towing at or near your vehicle's limit, and you think of that 40# in terms of personal stuff that you could bring or not bring -- well, that's a 40# I wouldn't want to leave at home.
Also, once you have the mindset, you may find it encourages you to lighten up in other ways too (as Peter mentioned, hatch lids, plus flooring and etc.)
But yeah, you have to look at it for your particular situation
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You betcha, and if a case of wine is around 39 lbs, well lookee there!
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09-26-2009, 07:07 AM
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#8
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Senior Member
Trailer: 1988 Perris Pacer ('Bean') / 2004 Element
Posts: 1,109
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Very good points! I woke up thinking the same thing: "20 pounds is 20 pounds---I could bring 20 more pounds of potato chips (JK )
__________________
1988 Perris Pacer
2010 Honda Ridgeline
2013 Winnebago Minnie 2101FBS
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09-26-2009, 09:30 AM
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#9
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Senior Member
Trailer: 1979 13 ft Boler and 1987 Bigfoot 5th Wheel
Posts: 2,025
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Quote:
Very good points! I woke up thinking the same thing: "20 pounds is 20 pounds---I could bring 20 more pounds of potato chips (JK )
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That would be my choice!
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1979 Boler B1300 | 1987 Bigfoot 5th Wheel | 1988 Bigfoot 5th Wheel | We officially have a collection!
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09-26-2009, 10:09 AM
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#10
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Senior Member
Trailer: 13 ft Scamp 1999
Posts: 102
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And if a "light weight" mouse were to hitch a ride, imagine how happy he would be!
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09-26-2009, 10:45 AM
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#11
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Senior Member
Trailer: 1972 Boler American and 1979 Trillium 4500
Posts: 5,141
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If you are trying to calculate the weight it might be appropriate to use values for the materials you will use. IMHO 3/4" MDF is much more than would be required for a door.
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09-26-2009, 11:20 AM
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#12
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Senior Member
Trailer: 1981 13 ft Scamp / Nissan Titan
Posts: 1,852
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Well, I'm about 8000 lbs under my current TV rating when I'm pullin the 13, so I guess I could always bring extra wine and potato chips for PJ and Vickie if needed.
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09-26-2009, 01:13 PM
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#13
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Senior Member
Trailer: 17 ft 1986 Burro
Posts: 889
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Quote:
Well, I'm about 8000 lbs under my current TV rating when I'm pullin the 13, so I guess I could always bring extra wine and potato chips for PJ and Vickie if needed.
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If you need more weight Greg my wife can help. She can add about 2k lbs of stuff in any trailer.
I don't want to second guess her or would I ever question it but do you really "need" two croc pots?
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09-26-2009, 03:53 PM
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#14
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Senior Member
Trailer: Casita 16 ft Spirit Deluxe
Posts: 373
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Quote:
QUOTE FOLLOWS:
Example:
Enclosure Size - 36" w x 12" h x 12" d = 2016 sq.in. 3/4" MDF
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Just curious .....is your cabinet really a complete box? I got your answer assuming four 12 x 36 "sides" and two 12 x12 ends. Our Scamp uses the existing wall and ceiling as the rear and top of the cabinet, which would then mean only two of the 12 x 36 panels to count. I've never had the pleasure of checking out a Perris Pacer, so maybe your cabinets do use six panels each. That would certainly add up.
Parker
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09-26-2009, 05:05 PM
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#15
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Senior Member
Trailer: 1988 Perris Pacer ('Bean') / 2004 Element
Posts: 1,109
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Roy, the 3/4 " MDF is what is already on there (I thought????) So I was trying to find out what the doors really do weigh, and how much difference it makes to change them for something else. Although you are right, Roy, the present doors are probably not 3/4 inch thick. I'll have to go to the storage place and check it out again when I do some measurements!
Hey, Mark--I have 2 guinea pigs that weigh about 2 pounds each----I get rid of a door or 2, and I can bring them (and in an emergency I hear they are delicious!)
All RIGHT Greg---now I know who can carry my yarn and crochet needles!
Go Mrs. PJ! Crockpots??? I better go read the recipe section---there's more than hamburgers and hot dogs??????
No, no Parker---I just have doors like everybody else. And at first I was thinking this isn't a box I have, but then I thought a sq. inch is a sq inch, (like flat pieces of tile, etc.) so I thought this equation would work. Maybe I was wrong. Anyway, I figure the doors and hardware probably come to 30 to 40 lbs. Probably closer to 30, since I had questimated the closet door was 14 lbs. and Lizbeth said hers was 9.5.
Rock Chalk Jayhawk, KU! Now on to the Husker game, go Big Red! (I'm a CornHawk---born and raised in Kansas, living in Nebraska
__________________
1988 Perris Pacer
2010 Honda Ridgeline
2013 Winnebago Minnie 2101FBS
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09-26-2009, 05:15 PM
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#16
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Senior Member
Trailer: 1988 16 ft Scamp Deluxe
Posts: 25,707
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If you're looking to lighten the load.... something to consider, which is what folks crossing from US into Canada are doing.. and that's leave the food at home and shop when you get where you're going. Okay... take the potato chips! But seriously, menu planning first, unhooking next and then shopping may save you more towing weight than you imagine. Of course this all depends on your type of camping... maybe a store won't be within 50 miles. But, I know when I go to the Oregon Gathering I buy all (95%) of my groceries in Bandon... I'm not going to haul groceries when it's not absolutely necessary. I always buy drinking water for instance and BEER. I just consider the (perhaps) increase in food costs to be part of the overall camping experience and budget for the cost.
YMMV
__________________
Donna D.
Ten Forward - 2014 Escape 5.0 TA
Double Yolk - 1988 16' Scamp Deluxe
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