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Making my own diaper #1198747
03/18/12 02:06 AM
03/18/12 02:06 AM
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I decided to make my own diaper.
There’s no way I can go wrong since there are no specifications or even suggestions from NHRA
as to what qualifies an acceptable diaper.
The one I bought was a real joke using a nylon type material that easy to melt.
The straps were no better and above all the catches PLASTIC just like on a child’s nap sack.
The only positive thing that can be said about it was the fit was acceptable.
That did not take very much as there is only one end stitched to conform to the pan.


A yard of material at a local source at a cost of 9.00 that is much better quality and not nylon based. .
That is enough to material make three diapers. It is used on boats for seating.
To replace the plastic catches and nylon straps I ordered 6 canvas belts with D rings at 2.95 each from EBay.
So about 21.00 is the cost for all necessary materials.
I will take it to be stitched like the old one not sure of the cost.
Only part stitched to form is the front end which gets a pocket 7” deep and 9”wide.
The only place it need be stitched is to hold the straps to the diaper.

picture is of my old one

7123812-diper.jpg (257 downloads)

home of the
Sox and Martin Hemi Duster


Re: Making my own diaper [Re: HEMIFRED] #1198748
03/18/12 09:49 AM
03/18/12 09:49 AM
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Good thread. MOre pics as you go.

Re: Making my own diaper [Re: Hot 340] #1198749
03/18/12 10:50 AM
03/18/12 10:50 AM
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moparacer Offline
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I was going to make one for mine also untill I seen what you can buy one for.

I had J&J make one for my car and other then a couple little modifications it really fits great.

For ballistic material and $150 cost wasn't worth the headache making one myself.


67 Barracuda street/bracket car 11.27-119
68 Dart 502 BB 8.70s-152
414 cid SB Dragster 7.65-174
Re: Making my own diaper [Re: HEMIFRED] #1198750
03/18/12 10:56 AM
03/18/12 10:56 AM
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Romeo MI
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I guess I better get my industrial sewing machine
back up and running... I re-did the interior in my
boat a few years ago so I would think I can make a diaper

Re: Making my own diaper [Re: MR_P_BODY] #1198751
03/18/12 11:00 AM
03/18/12 11:00 AM
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joshking440 Offline
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Fred, at your age...that will be the first of many diapers you will have to change....


Re: Making my own diaper [Re: joshking440] #1198752
03/18/12 11:38 AM
03/18/12 11:38 AM
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Great Neck,LI,new york
hemi-itis Offline
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Quote:

Fred, at your age...that will be the first of many diapers you will have to change....



Josh,you been hangin out at the other 2 sites too much Even you can be a dipstick once in a while

Fred,the material you purchased,is it fireproof??Is the ballistic material the "other guys " use fireproof?
I was waiting for you to calm down and come up with a solution for theses new rules with no rules
I do believe that the diaper should wrap around the outside of the oil lines where they enter the oil pan and come off the oil pump and only have a hole for the centerlink.I still have some expences that are in front of the diaper on the "LIST"

7124051-Aug11032(2).jpg (84 downloads)
Last edited by hemi-itis; 03/18/12 11:39 AM.

HEMI-ITIS has no cure.
My condition is fully BLOWN!!
Re: Making my own diaper [Re: hemi-itis] #1198753
03/18/12 12:03 PM
03/18/12 12:03 PM
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OK, so Fred will be wearing a fireproof diaper. You can never be too safe.


Yeah, it's got a smallblock.
Re: Making my own diaper [Re: 340B5] #1198754
03/18/12 01:46 PM
03/18/12 01:46 PM
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mr_340 Offline
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Quote:

OK, so Fred will be wearing a fireproof diaper. You can never be too safe.


I didn't know Fred liked Meskin food? Gotta watch those habanero peppers.


Floyd Lippencott IV
Re: Making my own diaper [Re: HEMIFRED] #1198755
03/18/12 02:08 PM
03/18/12 02:08 PM
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Fred... do you have a pic of the material you plan on
using... maybe a source for it also.... I'm going to
look into making one also... thanks

Re: Making my own diaper [Re: hemi-itis] #1198756
03/18/12 02:36 PM
03/18/12 02:36 PM
Joined: Oct 2006
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joshking440 Offline
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Quote:

Quote:

Fred, at your age...that will be the first of many diapers you will have to change....



Josh,you been hangin out at the other 2 sites too much Even you can be a dipstick once in a while







Coming from you... the king internet stalker, that holds little to no substance....

Re: Making my own diaper [Re: HEMIFRED] #1198757
03/18/12 07:18 PM
03/18/12 07:18 PM
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I canceled the belts due to higher cost of shippping and instead ordered 30 1" stainlesss steel "D" rings at a cost of 17.00. The revised total cost for material to make two diapers 25.00 .Before I figured one cost to 21.00 but the belts were only 2.95 but another 3.50 to ship.

the material I bought is nothing special other than just a bit stiffer and stronger. There were many others that would have worked out fine. I did not look for fire retardant type.

here's a pic new on the left

7124676-002140.jpg (146 downloads)
Last edited by HEMIFRED; 03/18/12 07:25 PM.
Re: Making my own diaper [Re: HEMIFRED] #1198758
03/18/12 07:22 PM
03/18/12 07:22 PM
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Pic didnt work... have a pic of the material you used

Re: Making my own diaper [Re: MR_P_BODY] #1198759
03/18/12 07:27 PM
03/18/12 07:27 PM
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here's a close up

7124687-00440.jpg (184 downloads)

home of the
Sox and Martin Hemi Duster


Re: Making my own diaper [Re: HEMIFRED] #1198760
03/18/12 07:30 PM
03/18/12 07:30 PM
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the only stitching up front is a pocket as wide as the pan and about 4" deep. this is real basic

7124688-0061.jpg (150 downloads)

home of the
Sox and Martin Hemi Duster


Re: Making my own diaper [Re: HEMIFRED] #1198761
03/18/12 07:33 PM
03/18/12 07:33 PM
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inside stitch work

7124693-01240.jpg (121 downloads)

home of the
Sox and Martin Hemi Duster


Re: Making my own diaper [Re: HEMIFRED] #1198762
03/18/12 07:38 PM
03/18/12 07:38 PM
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I neglected to mention that in leiu of the belts I decided to use some old 1" tie down straps.

the rear has a similar pocket but only 2" deep.
this combined with the one in the front do a decent job of having the diaper conform to the pan so it sits inside it.

7124699-00940.jpg (95 downloads)

home of the
Sox and Martin Hemi Duster


Re: Making my own diaper [Re: HEMIFRED] #1198763
03/18/12 07:42 PM
03/18/12 07:42 PM
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inside stitching rear pocket

7124708-01040.jpg (117 downloads)

home of the
Sox and Martin Hemi Duster


Re: Making my own diaper [Re: HEMIFRED] #1198764
03/18/12 07:46 PM
03/18/12 07:46 PM
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u can call it depends #2 Freddy

Re: Making my own diaper [Re: HEMIFRED] #1198765
03/18/12 08:07 PM
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as far as fit like I said before the old was ok and here's a better pic you can see how it covered the dual lines very nicely.

I should note here that my Olson pan is only about 5" deep in front and 6.5" in the rear. The sides are about 8" in the front and taper up to 10" at the rear. the same exact pattern as mine can be used with deeper pans just account for the longer sides. If the side panels are too tall they will tend to fall over and away from the block. My guess is stopping at the freeze plug is high enough

7124743-diaper.jpg (108 downloads)

home of the
Sox and Martin Hemi Duster


Re: Making my own diaper [Re: HEMIFRED] #1198766
03/18/12 08:17 PM
03/18/12 08:17 PM
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forgot to show the tabs that attach it in this case the header bolts were used. I have not attempted to find them for sale as I have one set and will look later.

7124756-tabs.jpg (141 downloads)

home of the
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Re: Making my own diaper [Re: HEMIFRED] #1198767
03/18/12 08:17 PM
03/18/12 08:17 PM
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I'm thinking about putting a elastic band in it at
2 points.. about 1/2 way up and near the top... all
the way around it(inside)just to hold it tight

Re: Making my own diaper [Re: MR_P_BODY] #1198768
03/18/12 08:41 PM
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Quote:

I'm thinking about putting a elastic band in it at
2 points.. about 1/2 way up and near the top... all
the way around it(inside)just to hold it tight





I think being near heat would stretch the elastic?

as well as mine fit there would be no need for it


home of the
Sox and Martin Hemi Duster


Re: Making my own diaper [Re: HEMIFRED] #1198769
03/18/12 08:47 PM
03/18/12 08:47 PM
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Quote:

Quote:

I'm thinking about putting a elastic band in it at
2 points.. about 1/2 way up and near the top... all
the way around it(inside)just to hold it tight





I think being near heat would stretch the elastic?

as well as mine fit there would be no need for it




Well when I get around to making one I'll see how snug
it fits... but they make some industrial elastic

Re: Making my own diaper [Re: MR_P_BODY] #1198770
03/18/12 09:11 PM
03/18/12 09:11 PM
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Quote:

Quote:

Quote:

I'm thinking about putting a elastic band in it at
2 points.. about 1/2 way up and near the top... all
the way around it(inside)just to hold it tight





I think being near heat would stretch the elastic?

as well as mine fit there would be no need for it




Well when I get around to making one I'll see how snug
it fits... but they make some industrial elastic





that's why I chose a stiffer material. I thought I could also add a liner of something even stiffer


home of the
Sox and Martin Hemi Duster


Re: Making my own diaper [Re: HEMIFRED] #1198771
03/18/12 09:18 PM
03/18/12 09:18 PM
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Use this to make the straps excellent heat resistance and easy to work with.......http://www.summitracing.com/parts/DEI-010120/....I used it when i modified the jegs one i paid 70.00 thats NOW 119.00 pattyboy (I didnt realize we were all so domestic)

Last edited by pattyboy 572; 03/18/12 09:19 PM.
Re: Making my own diaper [Re: pattyboy 572] #1198772
05/08/13 02:44 PM
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Damn H-fred ... you are a multi-talented guy ... why don't you make a FEW of these up

Re: Making my own diaper [Re: HEMIFRED] #1198773
05/09/13 09:53 AM
05/09/13 09:53 AM
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Gearhead383 Offline
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Wow Fred, that looks great! I can see your putting a great deal of effort into this however, you statement below is incorrect.
Quote:

There’s no way I can go wrong since there are no specifications or even suggestions from NHRA as to what qualifies an acceptable diaper.


In the general section of the 2013 rule book, it states:
1:8 LOWER ENGINE CONTAINMENT DEVICE
In classes where specified, must utilize an NHRA-accepted lower engine oil-retention device.

In the NHRA Accepted Products page, it show which of these devices are approved.

I'm only bringing this up because I would hate to see someone work so hard on making such a great product only to be turned away at a tech inspection. Hopefully it will never happen, but if it does, this might be why.

Re: Making my own diaper [Re: Gearhead383] #1198774
05/09/13 10:48 AM
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Quote:

Wow Fred, that looks great! I can see your putting a great deal of effort into this however, you statement below is incorrect.
Quote:

There’s no way I can go wrong since there are no specifications or even suggestions from NHRA as to what qualifies an acceptable diaper.


In the general section of the 2013 rule book, it states:
1:8 LOWER ENGINE CONTAINMENT DEVICE
In classes where specified, must utilize an NHRA-accepted lower engine oil-retention device.

In the NHRA Accepted Products page, it show which of these devices are approved.

I'm only bringing this up because I would hate to see someone work so hard on making such a great product only to be turned away at a tech inspection. Hopefully it will never happen, but if it does, this might be why.




accepted mens the company paid to have it "accepted" and put on the list. in no way does a sportsman diaper meet any safety criteria or SFI specs.


home of the
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Re: Making my own diaper [Re: HEMIFRED] #1198775
05/09/13 11:52 AM
05/09/13 11:52 AM
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Quote:

accepted mens the company paid to have it "accepted" and put on the list. in no way does a sportsman diaper meet any safety criteria or SFI specs.



I agree with you 100% and that is why I didn't mention anything about any SFI specs. I was simply pointing out that NHRA only accepts/allows sportsman diapers shown on their list. If a sportsman diaper used is not on their list, whether it's home made or produced by a manufacture that was not listed, they (NHRA) might not allow the car to compete if the class requires one. Racer's home tracks probably won't have any problems with it however, divisional or national event racers might run into a problem. I mostly race divisionals and every time I go through tech, they ask me who is the manufacture of my oil retention device. I'm not looking to start any . As stated earlier, I would hate to see someone invest so much time making a quality product only to get shot down because it's not on some dumb list.

Re: Making my own diaper [Re: Gearhead383] #1198776
05/09/13 03:13 PM
05/09/13 03:13 PM
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If that's the case, couldn't Fred just stitch or glue the logo onto the homemade one.
Mick


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best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
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Re: Making my own diaper [Re: deaks] #1198777
05/09/13 04:10 PM
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Quote:

If that's the case, couldn't Fred just stitch or glue the logo onto the homemade one.
Mick




I bet they wouldn't know the difference.

Re: Making my own diaper [Re: Gearhead383] #1198778
05/09/13 08:00 PM
05/09/13 08:00 PM
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radar Offline
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I used to work in a theatre- they had a fire-proofing liquid we sprayed on with one of those pump pressurized garden sprayers. Dunno if it would be worth the trouble for a gas or oil fueled fire but it might stop a diaper-fueled fire.

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