Carb dripping fuel when inverted - help    Gallery
View related threads: (in this forum | in all forums)

Logged in as Guest



Users viewing this topic: none
    Search This Thread  
 
Printable Version


90 Dgree Muffler Adapters
Seller:  RC Specialties
Details:   $19.95   |  4/12/2013   |  Classified Ad
We will rotate YOUR AD in this spot if you select "Forum Featured" when placing or editing your ad!

All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Engine Conversions >> Carb dripping fuel when inverted - help
Page: [1]

Tower Hobbies Get Coupon Codes Brands  
Login
Message << Older Topic   Newer Topic >>
Carb dripping fuel when inverted - help - 11/26/2012 2:00 PM   
oddy


 

Posts: 316
Score: 100
Joined: 5/30/2003
Last Login: 4/12/2013
From: Mexico city, MEXICO
Status: offline 		Hello everyone

I am having trouble because when I take off my Toro 26cc seems to be well carburated, but when I take off it goes way to rich.

Yesterday I noticed as well that when I invert the plane (cilinder pointing to the ground) and therefore tank is higher than the carb theres some gas dripping.

Could this be that the carb membrane is not OK....I check it and it seems stiff

Would it help to leave it 24 hours soaked in gasoline to have it less stiff?

Thanks for any help

Victor (Oddy)

_____________________________

If I say that the Burra is Prieta is because I have the pelos in my hand.

Hide Signatures
       Post #: 1

RE: Carb dripping fuel when inverted - help - 11/26/2012 4:41 PM  1 votes
av8tor1977



Posts: 5460
Score: 665
Joined: 5/4/2003
Last Login: 5/19/2013
From: Lukeville, AZ, USA
Status: offline 		When a carburetor leaks, it is usually caused by a bad diaphragm. They get stiff and don't work. They must be very flexible. The engine is probably flooding and the fuel only comes out when you invert it. (I remember that your plane has the cylinder in the upright position.) Check all your fuel line connections but I am betting your problem is the diaphragm. I have tried and tried but never found a way to make them flexible again once they have dried out and gotten stiff. Nothing you soak them in works.

As far as the engine only going rich when you fly it, that could be caused by air pressure in flight hitting the hole in the cover over the diaphragm. The cure for that is to solder a tube into that hole, and then run a hose from there into the fuselage so it doesn't get hit with ram air from flying. If you solder a tube into that hole, make sure the side that goes towards the diaphragm is smooth so that it doesn't restrict or damage the diaphragm.

AV8TOR

_____________________________

If it is not SCARY, it is NO WHERE NEAR powerful enough!!

Hide Signatures

(in reply to oddy)
       Post #: 2

Page:   [1]
All Forums >> Glow Engines, Gas Engines, Fuel &amp; Mfg Support Forums >> Engine Conversions >> Carb dripping fuel when inverted - help
Page: [1]





Jump to:


 
Google 



Search | Marketplace | Event Calendar | Local Clubs | Magazine | Product Ratings | New Products | Discussion Forums

Photo Gallery | Instructor Search | Field|Track|Marina Search

Advertisers | Hobby Vendor Resources | Rate Manufacturers | Sign In/Sign Up

SITE MAP!   : :   FORUM RULES

RC Universe is a service of Internet Brands, Inc. Copyright © 2001-2013.

Charities we support that also need your help
Yorkie Rescue | Humane Society | ASPCA | Crohn's-Colitis America


0.156RCU1