VansAirForceForums  
Home > VansAirForceForums

-POSTING RULES
-Advertise in here!
- Today's Posts | Insert Pics

Keep VAF Going
Donate methods

Point your
camera app here
to donate fast.

  #1  
Old 12-26-2008, 06:13 PM
jerryab jerryab is offline
 
Join Date: Dec 2008
Location: Northwest Arkansas
Posts: 40
Default fuel pressure problems 0320

My RV6A, N331RD, apparently is losing fuel pressure! I say apprarently because I'm not sure how much pressure is required for this engine. I has been running around 4lbs, and lately it has dropped to 1.5 to 2 lbs. I've checked for leaks, cleaned filter, flushed lines and still no improvement! The green arc indicates it should be 4-6 lbs. I have a friend who's RV6A has been doing the same for over 2 years! Is this a problem or this normal! It is a 160 hp. Was thinking of replacing the fuel pump, but don't want to tackle that unless necessary!! The engine is a factory new certified Lycoming with 166 hrs total. Could someone give me some insight. The boost pump kicks the pressure up to 5 lbs, but it bleeds back down after a minute or so when the boost pump is turned off.

Jerry Martin
RV6A
  #2  
Old 12-26-2008, 07:42 PM
Sam Buchanan's Avatar
Sam Buchanan Sam Buchanan is offline
been here awhile
 
Join Date: Dec 2004
Location: North Alabama
Posts: 4,370
Default

Quote:
Originally Posted by jerryab View Post
My RV6A, N331RD, apparently is losing fuel pressure! I say apprarently because I'm not sure how much pressure is required for this engine. I has been running around 4lbs, and lately it has dropped to 1.5 to 2 lbs. I've checked for leaks, cleaned filter, flushed lines and still no improvement! The green arc indicates it should be 4-6 lbs. I have a friend who's RV6A has been doing the same for over 2 years! Is this a problem or this normal! It is a 160 hp. Was thinking of replacing the fuel pump, but don't want to tackle that unless necessary!! The engine is a factory new certified Lycoming with 166 hrs total. Could someone give me some insight. The boost pump kicks the pressure up to 5 lbs, but it bleeds back down after a minute or so when the boost pump is turned off.

Jerry Martin
RV6A
Jerry, it looks like your flying partner has posted about the same issue in the following thread:

http://www.vansairforce.com/communit...ad.php?t=37710

I'm closing this thread so both of your inquires can be pursued in the other thread.

By the way, Lycoming specs call for at least 0.5 psi fuel pressure, doesn't take much to keep the carb bowl full.
__________________
Sam Buchanan
RV-6
Fokker D.VII replica

Last edited by Sam Buchanan : 12-26-2008 at 07:47 PM.
Closed Thread


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -6. The time now is 07:22 AM.


The VAFForums come to you courtesy Delta Romeo, LLC. By viewing and participating in them you agree to build your plane using standardized methods and practices and to fly it safely and in accordance with the laws governing the country you are located in.