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 Post subject: DIY Quick Inflator
PostPosted: Wed Apr 10, 2013 5:40 am 
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stealth kitty
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Finally got all the bits in and made my portable inflator. Here's my recipe.

1. Inflator from Harbor Freight Tools ($7)
Image

2. Toppeak "Smart Head" pump upgrade kit - this does presta and schrader valves without having to futz with anything ($20 from amazon)
Image

3. 10-Gal portable air tank ($35-$40)
Image2

4. 1/4" NPT Male to quick disconnect air coupling ($2.98 from home depot)
Image


Procedure
1. Cut hose off harbor freight inflator.

2. Insert HC1 adaptor from Toppeak upgrade kit into cut end of inflator hose and tighten down with supplied hose clamp.

3. Connect Toppeak Smarthead hose/connector onto HC1 adaptor

Image

4. Remove the black hose/air chuck off the top of the 10-gal portable air tank.

5. Install quick connect air coupler in place of the removed black hose/air chuck

Image

The completed contraption:
Image

Do the dance of joy because:

1. You'll never have to deal with stupid adaptors going between presta and schrader valves.

2. The valve head is hands free so all you do is lock onto the valve and it stays there.

3. The modified inflator can be disconnected and connected to a regular air hose (and compressor) so you can use it to inflate other crap

4. The inflator can also be used to re-fill the air tank when you need more air.

-S

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 Post subject: Re: DIY Quick Inflator
PostPosted: Thu Apr 11, 2013 1:22 am 
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yappin' kitty
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This had been on my plan for some time. My compressor threw its belt, so I haven't been too motivated to move forward.

A couple of questions:
For the universal head, does it bend the valve on a presta stem when you lift the lever?

How do you like HF inflator/ gauge? My experience with HF has been hit or miss. The packaging of their valve had more of the look of a miss, so I was not taken.


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 Post subject: Re: DIY Quick Inflator
PostPosted: Thu Apr 11, 2013 2:01 am 
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stealth kitty
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Heyyall wrote:
This had been on my plan for some time. My compressor threw its belt, so I haven't been too motivated to move forward.

A couple of questions:
For the universal head, does it bend the valve on a presta stem when you lift the lever?

How do you like HF inflator/ gauge? My experience with HF has been hit or miss. The packaging of their valve had more of the look of a miss, so I was not taken.


The valve on the presta stem doesn't seem to bend. I was actually pleasantly surprised at how well it works on the presta valves. Lifting the lever only moves an inner sleeve which then compresses the rubber seal against the valve stem. Nothing else moves.

The HF inflator sucked - that's until I cut off the crappy dual chuck head and replaced it with the Toppeak head. The valve assembly actually works fine and is pretty decent.

-S

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 Post subject: Re: DIY Quick Inflator
PostPosted: Thu Apr 11, 2013 2:37 am 
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yappin' kitty
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Sounds good. I was eyeing this at lowes for a few more dollars than online versions ($20), but the reviews were so poor.

http://m.lowes.com/pd_124237-47120-SGY- ... Id=3413930


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 Post subject: Re: DIY Quick Inflator
PostPosted: Thu Apr 11, 2013 12:56 pm 
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stealth kitty
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Yep, at those prices might as well cheap out and get one or more HF inflators. Lol

I'm not recommending HF crap since a lot of their stuff breaks after one or two uses but this one seems to work OK.

Sent from my Galaxy Nexus using Tapatalk 2

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 Post subject: Re: DIY Quick Inflator
PostPosted: Wed Jun 12, 2013 12:48 pm 
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pussy
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Another idea for DIY Presta inflator



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 Post subject: Re: DIY Quick Inflator
PostPosted: Wed Jun 12, 2013 3:51 pm 
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big hucker
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Sti wrote:
Another idea for DIY Presta inflator


Very clever adaptation!

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 Post subject: Re: DIY Quick Inflator
PostPosted: Wed Jun 12, 2013 5:04 pm 
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yappin' kitty
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I may do that. Sslikesnake or marps do either of you have a dye set?

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 Post subject: Re: DIY Quick Inflator
PostPosted: Wed Jun 12, 2013 5:08 pm 
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bad kitty!
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Paul_C wrote:
I may do that. Sslikesnake or marps do either of you have a dye set?


Ask Nicole. Last I heard she at least had red. ;)


Magura :)

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 Post subject: Re: DIY Quick Inflator
PostPosted: Wed Jun 12, 2013 5:14 pm 
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yappin' kitty
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Maybe buy parts and make your own? They sell them here:
http://www.prestacycle.com/buy_bicycle_ ... _tools.php

Barb, presta valve and just a cheapie tire inflator. Or give them $50 and it has a warranty and is serviceable.

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 Post subject: Re: DIY Quick Inflator
PostPosted: Wed Jun 12, 2013 5:35 pm 
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big hucker
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Paul_C wrote:
I may do that. Sslikesnake or marps do either of you have a dye set?

I have a couple of tap and die sets. I believe they're all standard, though. What measurement did the video call for?

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 Post subject: Re: DIY Quick Inflator
PostPosted: Wed Jun 12, 2013 5:41 pm 
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pussy
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3/8 x 24


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 Post subject: Re: DIY Quick Inflator
PostPosted: Wed Jun 12, 2013 7:00 pm 
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yappin' kitty
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Paul_C wrote:
I may do that. Sslikesnake or marps do either of you have a dye set?

I don't. But that video makes me want to go buy a set. Sweet application.

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 Post subject: Re: DIY Quick Inflator
PostPosted: Wed Jun 12, 2013 9:45 pm 
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yappin' kitty
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Split it three ways? This could be the first purchase of our new joint venture bike hack shop! I know we have never discussed it but maybe we should.

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 Post subject: Re: DIY Quick Inflator
PostPosted: Wed Jun 12, 2013 9:47 pm 
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yappin' kitty
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3/8 x 24 is standard. Soooo let me know when my presta inflator is ready, ok?

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 Post subject: Re: DIY Quick Inflator
PostPosted: Wed Jun 12, 2013 9:53 pm 
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bad kitty!
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You can buy those brass tubes, with the thread already on them, and Cejn fitting in the other end.
I think it's Cejn that sells those.

Also some Teflon tape for sealing wouldn't have harmed. That or a few drops of Loctite.


Magura :)

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 Post subject: Re: DIY Quick Inflator
PostPosted: Wed Jun 12, 2013 11:45 pm 
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stealth kitty
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Lemme see if I have those 3/8-24 dies lying around. I dont use them any more since I switched to thread milling on the machines.

Sent from my Nexus 7 using Tapatalk 2

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 Post subject: Re: DIY Quick Inflator
PostPosted: Thu Jun 13, 2013 12:42 am 
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yappin' kitty
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Magura wrote:
You can buy those brass tubes, with the thread already on them, and Cejn fitting in the other end.
I think it's Cejn that sells those.

Also some Teflon tape for sealing wouldn't have harmed. That or a few drops of Loctite.


Magura :)


Did anyone else notice that as soon as he hooked up his presta inflator it started leaking? I also recommend some Teflon tape.

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 Post subject: Re: DIY Quick Inflator
PostPosted: Thu Jun 13, 2013 2:12 am 
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yappin' kitty
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Paul_C wrote:
Split it three ways? This could be the first purchase of our new joint venture bike hack shop! I know we have never discussed it but maybe we should.

I'm in. I think Marps has quite a shop, not sure I could add anything that he doesn't already have.
We could have a "group shop day" at one our houses on a really rainy weekend or something. I could use some support doing repairs I've never done before like fork servicing, etc. This also sounds like a prime opportunity to throw back some brews, as well.

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 Post subject: Re: DIY Quick Inflator
PostPosted: Thu Jun 13, 2013 2:47 am 
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big hucker
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Sslikesnake wrote:
Paul_C wrote:
Split it three ways? This could be the first purchase of our new joint venture bike hack shop! I know we have never discussed it but maybe we should.

I'm in. I think Marps has quite a shop, not sure I could add anything that he doesn't already have.
We could have a "group shop day" at one our houses on a really rainy weekend or something. I could use some support doing repairs I've never done before like fork servicing, etc. This also sounds like a prime opportunity to throw back some brews, as well.

I'm all for this. ^^^

I'll pull the car out of the garage and make room for as many as want to come over. :)

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 Post subject: Re: DIY Quick Inflator
PostPosted: Thu Jun 13, 2013 2:52 am 
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yappin' kitty
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Now I gotta go order some fork seals heh heh.

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 Post subject: Re: DIY Quick Inflator
PostPosted: Fri Jun 21, 2013 3:17 am 
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pussy
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So I built one. My first attempt failed, the air tire chuck I got had a too large tube diameter and I could not get it threaded. For the second one, I used different brass tubing that I found in Home Depot - a 1/8" x 4" brass nipple, a 1/8" FIP x 1/4" FIP brass coupling and some quick connect hardware. I had to cut the 3/8x24 thread at one end of the nipple but that was easy. The DIY Presta inflator works but it feels sloooow. I have to try it with a valve core removed to see if I can seat any bead with it.

Pics & parts later.


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 Post subject: Re: DIY Quick Inflator
PostPosted: Fri Jun 21, 2013 12:39 pm 
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Parts.
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 Post subject: Re: DIY Quick Inflator
PostPosted: Fri Jun 21, 2013 1:24 pm 
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yappin' kitty
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Is the brass pipe you bought already threaded correctly for the Innovative inflator?? If you feel like it is slow do you think it is leaking any where? What kind of compressor do you have it hooked up to?

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 Post subject: Re: DIY Quick Inflator
PostPosted: Fri Jun 21, 2013 1:30 pm 
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pussy
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Unfortunately, the thread on the brass nipple is of different size (larger diameter) than the one for the inflator. I got me a 3/8x24 die and I cut new thread over the old one (a dirty thing to do but it works).
No air leak whatsoever, I have a compressed air tank that I fill with a floor pump usually up to 50PSI.


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 Post subject: Re: DIY Quick Inflator
PostPosted: Fri Jun 21, 2013 1:45 pm 
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yappin' kitty
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Oh, well an actual air compressor should have no issues with pressure then. Thanks for the info.

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 Post subject: Re: DIY Quick Inflator
PostPosted: Fri Jun 21, 2013 1:54 pm 
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bad kitty!
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Sti wrote:
Parts.
Image


That's the way to do it. Just with the right threaded nipple that is ;)
Like this it takes 10 minutes to make.

Magura :)

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 Post subject: Re: DIY Quick Inflator
PostPosted: Fri Jun 21, 2013 3:00 pm 
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pussy
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Magura wrote:
That's the way to do it. Just with the right threaded nipple that is ;)
Like this it takes 10 minutes to make.


Good luck finding a nipple with a 1/8" NPT thread (0.405"x27) on one end and 3/8"x24 on the other end or a a 1/4" to 3/8"x24 coupling. ;) They certainly did not have either in stock in my local Home Depot which is the only store I can visit it at 9PM mid-week. Luckily the 1/8" nipple is easy to re-thread to the desired thread size.


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 Post subject: Re: DIY Quick Inflator
PostPosted: Fri Jun 21, 2013 3:11 pm 
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bad kitty!
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RS components do.
So not really an issue, just look the right places.


Magura :)

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 Post subject: Re: DIY Quick Inflator
PostPosted: Fri Jun 21, 2013 5:43 pm 
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yappin' kitty
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Magura wrote:
Paul_C wrote:
I may do that. Sslikesnake or marps do either of you have a dye set?


Ask Nicole. Last I heard she at least had red. ;)


Magura :)



I just now got this joke. Die not Dye, got it.

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