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HelicopterThunder TigerOther › R30 V1 glo fuel everywhere
05-31-2004 11:29 AM  13 years agoPost 1
Thumbpilot

rrApprentice

Navan, Ireland

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Recently my R30 spews fuel all over the mechanics. I checked the engine, carb, muffler etc and replaced all the plumming but it is still covered with fuel.

Any ideas what is causing this?

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05-31-2004 11:41 AM  13 years agoPost 2
capebob

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Cape Coral, FL

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It's the nature of the beast. ~ 20% of our fuel is oil and none of it is burned and all of it exits the exhaust. It will help if you get an exhaust extension for your muffler. Also, it could be that you are leaking some fuel from the engine's front bearing and some carb. designs allow a little fuel to shoot out of the carb at intermediate throttle settings.

Bob

Success is the ability to go from one failure to another with no loss of enthusiasm. Churchill

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05-31-2004 11:50 AM  13 years agoPost 3
Thumbpilot

rrApprentice

Navan, Ireland

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Thanks Bob,

They heli used to be quiet clean - apart from skids and around the exhaust area but now the whole heli looks like it was dipped in a can of oil. Seems to be coming from around the carb or high speed needle area.

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05-31-2004 12:08 PM  13 years agoPost 4
capebob

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Cape Coral, FL

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If you are running very rich the TT carbs can spew a lot of oil out of the carb. at hover throttle settings. Also, if it is a TT engine the front bearing may be leaking.

Bob

Success is the ability to go from one failure to another with no loss of enthusiasm. Churchill

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05-31-2004 12:18 PM  13 years agoPost 5
Thumbpilot

rrApprentice

Navan, Ireland

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I'm running rich - thanks Bob you probably solved my problem

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05-31-2004 01:30 PM  13 years agoPost 6
garry keogh

rrApprentice

Wicklow, Ireland

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Carb and crankshaft is my guess

My webra seems to spew a good bit of fuel out the carb. There is always plenty of oil that finds its way down the cooling duct and seems to end up all over the front skid and canopy clip. I have had it run rich through to lean and it seems to be consistently oily.

I was also looking at a skeadau (ok, you know what I mean) last evening with a brand new Irvine fitted. The Irvine is letting lots of oil out the front crank bearing.

Having typed all that. . . I am inclined to think that if this has happened all of a sudden then it may be your bearing. Is there a lot of oil around the outside of the crankcase/front bearing area after a run?


Garry

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05-31-2004 01:38 PM  13 years agoPost 7
Thumbpilot

rrApprentice

Navan, Ireland

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Hi Garry,

There is a lot of oil all over the engine - I think it might be the running rich as I cracked my upgrade TT muffler recently and went back to the original muffler and ran it a little bit richer. I had the engine out and all the bolts ate tight - I didn't check the bearings though.

Maybe it is time to get the manual out and strip the TT36 - BTW it has ran like a dream since I got it, 'till now that is - one of the few!!

One other thing it is very easy to start now - fires up with one little spurt of the starter, before it used to take 3 or 4 goes.

Anyway the wife is getting fed up cleaning the heli when I get home from a session and it is not doing the dining room table any good.

[color=green][/color]

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05-31-2004 02:02 PM  13 years agoPost 8
donlynn

rrKey Veteran

New Zealand

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Gidday

Probably the front bearing shagged, Is the underside of the fan wet and the tank top dripping ?

I fitted a sealed bearing with the internal seal removed on my tt50 about 150 tanks ago and is still going sweet and dry, from front bearing , still wet from backwards flight, skids dripping, no muffler extension, .

muffler extension ponited sideways helps keep it cleaner, IMO makes it run a wee squeeze warmer too.
on my tt39 , the Dubro 60 size 45 degree on was my pick (seemed like real stuff).

A good layer of plumbers teflon tape PTFE (white stringy stuff)wraapped around the exhaust outlet where the extension comes into contact with muffler acts as a thermal insulator and allows the extension to run cooler taking longer before it crystalizes and goes hard

try a search on tt front leaking bearing, a month of reading !
Regards Don

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05-31-2004 02:08 PM  13 years agoPost 9
Thumbpilot

rrApprentice

Navan, Ireland

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Thanks Don - this is what I like about RR

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05-31-2004 02:49 PM  13 years agoPost 10
garry keogh

rrApprentice

Wicklow, Ireland

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To know if it is your front bearing

Thumbpilot,
Don is right about oil on the top of your tank. Look up at the back of your fan after a run. If the front part of the crankcase, the part between the carb and the fan, is dripping wet, it can only have come from the bearing.

Changing the front bearing is a snip, Boca have them in stock always. You could also ring E.Fox Engineering supplies. They are based in Baldonnel and have stocked every bearing I have ever looked for, including feathering spindles and mainshaft bearings, bearings for MVVS's and all.

FYI, there is a motor accessory shop in the Navan shopping centre that I hear stocks the finest quality fuel to hit our shores. . . go see for yourself

Garry

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05-31-2004 04:44 PM  13 years agoPost 11
Thumbpilot

rrApprentice

Navan, Ireland

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Thanks for that Garry,

Last week a nameless, shameless person at our field sold me two gallons of Coolpower just so he could buy WC from the Navan shop.

Not to worry CP works wonders on the weeds on the driveway

[color=green][/color]

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05-31-2004 05:33 PM  13 years agoPost 12
garry keogh

rrApprentice

Wicklow, Ireland

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Remember to keep June 20th free

You guys all know about our fly-in on June 20th? I am pretty sure I told you all about it before. You are welcome to join us, directions on our web page ( http://www.srfc.net ), linked from the front page.

Meeting with committee tomorrow night to brief them on our fly-in, details, safety, frequency and most importantly. . . numbers!

If you can, see if you can give me a clue as to how many might travel from Sunny Navan, the only panendromic town in Ireland!

Talk to you soon

Garry

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06-01-2004 11:39 AM  13 years agoPost 13
Thumbpilot

rrApprentice

Navan, Ireland

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Garry,

Safe to say there will be 3 or 4 from Navan - we'll do a head count on Sunday.
Sunny Navan, the only panendromic town in Ireland!
That's why I called my daughter Anna

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06-01-2004 04:38 PM  13 years agoPost 14
garry keogh

rrApprentice

Wicklow, Ireland

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There is something in the Navan water!

Nice one thumbpilot. I have been sitting here for a couple of minutes trying to think of a panendromic name to call you . . . damn! nothing springs to mind

Hope to see you guys on the 20th

Garry

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HelicopterThunder TigerOther › R30 V1 glo fuel everywhere
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