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Primer Bulb
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Dee One

Joined: 29 Jun 2015
Posts: 48

Posted: Mon Aug 17, 2015 6:07 am Post subject: Primer Bulb

Thanks for the information. Always helpful.



Sent from my iPhone



 	  Quote: 	
		   On Aug 17, 2015, at 8:18 AM, Richard Pike <thegreybaron(at)charter.net> wrote:

 

 

 

 Hate to be the duty curmudgeon, but I had a couple problems with Heavenbound Aviation's guide. 

 One is that he pictures a fuel filter with a paper filtering element. Will that still allow gas to flow through it if it gets a dose of water? 

 

 If you use a good quality filter in your tank, then you can use an inline bronze filter in a transparent case with out any worries. The best tank filter/pickup is a replacement for the ones that go on in-tank car fuel pumps, they are fine mesh nylon, very large with lots of surface area, and pretty cheap.

 

 His description and pictures of using safety wire as a fuel line clamp is simply wrong. He uses one wrap and a straight twist. One wrap fails to secure part of one side, and a straight end is a good way to jab yourself and bleed all over your airplane every time you get near your fuel system. Double wrap and bend the end over like in the attached photo. (found that old filter & line in the scrap bin)

 

 Finally, I suggest never using blue urethane line for anything, period. Soft aluminum fuel line from Aircraft Spruce is cheaper and lasts forever if properly installed. Blue urethane can look good and feel soft, and break without warning. (Guess how I know this?) Good grade NAPA fuel line will still look good on the outside after many years and does not deteriorate, I use that where the aluminum line ends to connect to the carbs, fuel pump, etc.

 

 Worth what ya paid for it.

 

 --------

 Richard Pike

 Kolb MKIII N420P (420ldPoops)

 Kingsport, TN 3TN0

 There are two kinds of people: those who say to God, 'Thy will be done,' and those to whom God says, 'All right, then, have it your way.'

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=446069#446069

 

 

 

 

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The Future is a Mystery
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John Hauck

Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)

Posted: Tue Aug 18, 2015 6:55 pm Post subject: Primer Bulb

I've used Gates neoprene fuel like for all three of my Kolbs

over a 30+ year span.  Found out early on plastic line is a

failure waiting to happen.  First failure was the fuel pump

pulse line.  Fortunately I found it on the ground.



I use straight neoprene fuel line for all fuel deliver,

drains, and vent tubes.  Adding aluminum lines to replace

sections of neoprene is probably ok, but adds a lot of

additional connections, usually where a possible failure

could occur.



Keep it simple.



john h

JBER, Anchorage, Alaska



--

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_________________
John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama

Richard Pike

Joined: 09 Jan 2006
Posts: 1671
Location: Blountville, Tennessee

Posted: Tue Aug 18, 2015 7:19 pm Post subject: Re: Primer Bulb

 	  John Hauck wrote: 	
		   <snip>

Adding aluminum lines to replace sections of neoprene is probably ok, but adds a lot of additional connections, usually where a possible failure

could occur.



Keep it simple.



john h

JBER, Anchorage, Alaska



-- 	




I guess if I had 100 hp on my MKIII I wouldn't care about hauling around extra ounces either, but since neoprene is heavier than aluminum fuel line, and I only have 65 hp to work with, I will use the good/light stuff and insure due diligence at my connections.



Clear skies and tailwinds to you Bro.

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_________________
Richard Pike
Kolb MKIII N420P (420ldPoops)
Kingsport, TN 3TN0

Forgiving is tough, being forgiven is wonderful, and God's grace really is amazing.

John Hauck

Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)

Posted: Tue Aug 18, 2015 7:45 pm Post subject: Primer Bulb

Brother Pike:



I have no doubt you will make the very best fuel line

connections possible, no matter how many there are.



I can assure you my 65 hp MKIII flew quite well with

neoprene fuel line.  Most folks know I build heavy

airplanes, haul 25 gallons of fuel, and 100 or more pounds

of gear when I go flying.  I didn't encounter any problem

flying to Lakeland, FL, Homer Kolb's house, and Oshkosh

hauling all that load with 65 hp.



I doubt very seriously you or your 65 hp MKIII would ever

notice the difference in a few extra ounces.



john h

mkIII powered with 65, 80, and 100 (95 useable) HP engines.

JBER, Anchorage, Alaska



I guess if I had 100 hp on my MKIII I wouldn't care about

hauling around extra ounces either, but since neoprene is

heavier than aluminum fuel line, and I only have 65 hp to

work with, I will use the good/light stuff and insure due

diligence at my connections.



Clear skies and tailwinds to you Bro.



--------

Richard Pike

Kolb MKIII N420P (420ldPoops)

Kingsport, TN 3TN0

There are two kinds of people: those who say to God, 'Thy

will be done,' and those to whom God says, 'All right, then,

have it your way.'





Read this topic online here:



http://forums.matronics.com/viewtopic.php?p=446130#446130



==

Photoshare, and much much more:

==

==

==

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_________________
John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama

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