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Fuel Line accessory question

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Roger Lee

Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.

Posted: Sat Aug 26, 2006 8:56 am Post subject: Fuel Line accessory question

Hi All,



I hope one of you remember the answer to this question. A while back, a long while back,  someone posted a picture of a metal bulb installed in the fuel line. I did a search and couldn't find it. I thought it had something to do with pulsations from the fuel pump. Does someone remember what it was called and exactlly what it was used for? Here is a picture.



Thanks,

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_________________
Roger Lee
Tucson, Az.
Rotax Instructor & Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056

John Hauck

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

Posted: Sat Aug 26, 2006 9:10 am Post subject: Fuel Line accessory question

| I hope one of you remember the answer to this question. A while 

back, a long while back,  someone posted a picture of a metal bulb 

installed in the fuel line. I did a search and couldn't find it. I 

thought it had something to do with pulsations from the fuel pump. 

Does someone remember what it was called and exactlly what it was used 

for? Here is a picture.

|

| Thanks,

|

| --------

| Roger Lee



Roger:



Is that on a 914 turbo with return fuel line?



I've been flying 912 and 912S since 1994.  Never saw one of those 

"blubby" thingys before.



john h

mkIII

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

Roger Lee

Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.

Posted: Sat Aug 26, 2006 9:22 am Post subject: Re: Fuel Line accessory question

Hi John,



This is a 912s with no return line. I thought it might be a pulsation damper?

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_________________
Roger Lee
Tucson, Az.
Rotax Instructor & Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056

Roger Lee

Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.

Posted: Sat Aug 26, 2006 11:54 am Post subject: Re: Fuel Line accessory question

Hi All,

 I finially found the picture and info I was looking for. It was in fact on the matronics home page of things to buy. This is in fact a fuel flow pulsation dampner. It is a stainless steel air chamber that acts like a shock absorber. This reduces fuel flow reading fluctuations.



Thanks,

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_________________
Roger Lee
Tucson, Az.
Rotax Instructor & Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056

John Hauck

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

Posted: Sat Aug 26, 2006 12:03 pm Post subject: Fuel Line accessory question

This reduces fuel flow reading fluctuations.

|

| Thanks,

|

| --------

| Roger Lee



Roger:



Thank goodness.  I don't need to reduce the fuel flow reading 

fluctuations on my engine.



The more stuff you stick on an airplane and engine, the more stuff 

that can go wrong in the future, especially when you don't want it to 

happen.



Ronnie Smith related a tale to me about a 912ULS with 12 hours on it. 

Engine destroyed by loss of oil pressure.  Seems the customer was 

adamant about installing the oil temp sender in line on the oil hose. 

Rotax has selected and provides an oil temp sender in the oil pump 

where their engineers figure it will work best.  Gentleman could not 

be talked out of locating his oil temp sender in the oil feed hose. 

At 12, or it may have been 17 hours, the connection failed and the 

engine was history.



john h

mkIII

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

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