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Terry Gauvin · 03-27-2005, 06:20 AM

I also have had issues with the longer extensions vibrating and wearing needle valve assemblies. What I do now is drill and tap the end of the needle valve and screw in a small (try for 4-40) cap screw. I then use a4-40 ball driver through a small hole in the cowl to adjust the needle. Nothing vibrates and nothing sticks out of he cowl...

voyager_663rd · 03-27-2005, 08:54 AM

ah, now I see the vibration connection. silicone idea was

smark · 03-31-2005, 08:19 AM

I'm working on a Sea fury where the cowl completely surrounds the engine. I was contemplating grinding a slot into the end of the needle valve with a Dremel. Then all I had to do was insert a small slot screwdriver through a hole in the cowl and adjust it that way.
Is this practical?

JimMcIntyre · 03-31-2005, 08:25 AM

I've done this.
The only issue is getting the screwdriver to stay in the slot as the engine vibrates. It can be done but, it can be finicky, especially if your view of the end is obscured.

Don't get distracted trying to slot the screwdriver and lean into the prop!

Nuker · 03-31-2005, 08:34 AM

Put a piece of fuel tubing over the needle, let it extend about 1/4 inch outside the needle. It makes it easier to get your screwdriver lined up and helps hold it in the slot while you adjust so you can concentrate on the engine.

Bob

2thelmt · 04-01-2005, 08:27 AM

Saito enginges come with a short piece of wire and a knob to put on the end for adjusting. Look in your box, it could be floating around in there.

voyager_663rd · 04-01-2005, 09:18 AM

Quote:

Originally Posted by 2thelmt

Saito enginges come with a short piece of wire and a knob to put on the end for adjusting. Look in your box, it could be floating around in there.

Not this one buddy. Only "extra" bag in the box has the 3 allen wrenches and feeler for setting the gap.

03-27-2005, 06:20 AM	#11
Terry Gauvin RCC Supreme Contributor I am: Terry J Join Date: Sep 2002 Location: Moncton, NB Radio of choice: DX18Stealth # of RCs: 10 Feedback: 115 / 100% Posts: 3,422 Total Props: 55	Remove this ad - become a site supporter! I also have had issues with the longer extensions vibrating and wearing needle valve assemblies. What I do now is drill and tap the end of the needle valve and screw in a small (try for 4-40) cap screw. I then use a4-40 ball driver through a small hole in the cowl to adjust the needle. Nothing vibrates and nothing sticks out of he cowl... __________________ NX10, NX8, 30cc MXSR
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03-31-2005, 08:19 AM	#13
smark RCC Junior Contributor I am: Stan M Join Date: Sep 2002 Location: Toronto, Ont # of RCs: 12. Feedback: 0 / 0% Posts: 236 Total Props: 0	I'm working on a Sea fury where the cowl completely surrounds the engine. I was contemplating grinding a slot into the end of the needle valve with a Dremel. Then all I had to do was insert a small slot screwdriver through a hole in the cowl and adjust it that way. Is this practical? __________________ "Beware the man who doesn't make time for oo-mox." Ferengi Rule of Acquisition #223
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03-31-2005, 08:34 AM	#15
Nuker RCC Supreme Contributor I am: Bob D. Join Date: Aug 2002 Location: Whitby, Ontario Radio of choice: Futaba 12FG # of RCs: 1+ Feedback: 0 / 0% Posts: 3,312 Total Props: 0	Put a piece of fuel tubing over the needle, let it extend about 1/4 inch outside the needle. It makes it easier to get your screwdriver lined up and helps hold it in the slot while you adjust so you can concentrate on the engine. Bob __________________ Bob D. Ajax RC Club Indoor Aero-Choppers Member of MAAC since I joined Lighten Up, Life is waaaaaayyyy too short
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04-01-2005, 08:27 AM	#16
2thelmt RCC Senior Contributor I am: ID Join Date: Aug 2003 Location: Acton ON Canada Feedback: 0 / 0% Posts: 611 Total Props: 0	Saito enginges come with a short piece of wire and a knob to put on the end for adjusting. Look in your box, it could be floating around in there. __________________ "The only way of discovering the limits of the possible is to venture a little way past them … into the impossible." - Arthur C. Clarke
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03-27-2005, 08:54 AM	#12
voyager_663rd RCC Supreme Contributor I am: Len, an RPAS pilot Join Date: Sep 2003 Location: Toronto, Ont Feedback: 1 / 100% Posts: 4,650 Total Props: 20	ah, now I see the vibration connection. silicone idea was
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03-31-2005, 08:25 AM	#14
JimMcIntyre RCC Supreme Contributor I am: Jim McIntyre Join Date: Aug 2002 Location: Claremont Ontario Radio of choice: JR/Spectrum # of RCs: 999 Feedback: 1 / 100% Posts: 4,343 Total Props: 1	I've done this. The only issue is getting the screwdriver to stay in the slot as the engine vibrates. It can be done but, it can be finicky, especially if your view of the end is obscured. Don't get distracted trying to slot the screwdriver and lean into the prop!
	.

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