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Author Topic: Fox .35 question  (Read 1057 times)

Offline Keith Spriggs

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Fox .35 question
« on: September 19, 2006, 12:48:49 AM »
I am getting back in to control line flying after being away for 35 years. I have a couple of Fox .35's and a .29. I took the needle valve body out of one of the 35 to clean it. I marked the orientation of it before I removed it. When I re-assembled it I noticed that the hole in it was 90 degrees to the venturi airflow and was in the front. I got to looking at the other two engines and noticed that the hole in the needle valve body was facing the back in both of the others. What is the correct location for the hole in the needle valve body?
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Offline Leester

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Re: Fox .35 question
« Reply #1 on: September 19, 2006, 03:09:17 AM »
If the spray bar has 2 holes position so you don't see either from above. If 1 hole I point it straight down then back just a tad, seems to work just fine.
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Leester
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Offline James Lee

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Re: Fox .35 question
« Reply #2 on: September 19, 2006, 03:23:05 PM »
On the Fox 35 Stunt with the two hole spraybar turn it over a few times and watch the holes....   Fox can't get the crosshole exactly centered so one way you can sorta see the holes and t'other way they can't be seen...  and that will be the best orientation   ;D
I do have 'several' Foxes and really enjoy them but I must admit they do look like they were made on a dark and stormy night on a dull anvil...  ;D  ;D
Thanks
Jim   
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Offline Keith Spriggs

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Re: Fox .35 question
« Reply #3 on: September 20, 2006, 07:19:57 AM »
I had forgot that there were two different types of spray bars. This brings up more questions which one was used first the one hole or the two? Do they use different needle valves? I am pretty sure all of mine have one hole. Thanks for your help.
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Offline Leester

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Re: Fox .35 question
« Reply #4 on: September 20, 2006, 08:45:15 AM »
Don't know which came first but there are 2 different needles. I have one that is flat at the tip and one that isn't.
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Leester
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Offline Keith Spriggs

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Re: Fox .35 question
« Reply #5 on: September 20, 2006, 11:40:26 AM »
Quote from: Leester on September 20, 2006, 08:45:15 AM
Don't know which came first but there are 2 different needles. I have one that is flat at the tip and one that isn't.

I just remembered that I had a complete spray bar assembly still in the package. I am not positive that it is for a stunt 35 or not but I think it is. The number on the package is 3510. ($1.50), There are two holes in the spray bar. The needle is flat on both sides and if you hold it with the flat side toward you it looks like a "T". I noticed that the other needles I have are flat on one side only. Probably don't make a lot of difference, after a 35 year layoff,  as I will probably get dizzy and fall down before the engine could die. n~
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Offline old fart

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Re: Fox .35 question
« Reply #6 on: September 20, 2006, 02:32:19 PM »
the spade shaped needle is the old combat needle the one with the flat on one side is the  stunt needle there were other needle assmb.but what you have described is the more common types y1 y1 y1
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RON SMITH

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