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  • April 18, 2024, 10:29:27 AM

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61
Open Forum / Re: Plugging boost port on fox .35
« Last post by Joseph Lijoi on April 16, 2024, 08:01:05 AM »
Quote from: Brett Buck on April 15, 2024, 09:41:27 AM

       This is a serious/disastrous problem with a straightforward fix, known for 30 years, why are we still debating it?

     I note that using the "wrong fuel formula and plug* can cause other issues but not this one, and time this "fix" works it is a coincidence.

     Brett

It is a serious/disastrous problem. Note that some are citing upright/inverted installations. The problem occurs on profiles. I gave up on Fox 35's after trying hemi heads, stuffer backplates and whatever. Next was going to be an inboard mount. Trying to get a Fox 35 to run on a profile is a hobby in itself and if you enjoy that kind of thing then go for it. The reality is that compared to modern engines the Fox is a real dog. 
62
Open Forum / Re: Plugging boost port on fox .35
« Last post by Dave_Trible on April 16, 2024, 07:47:41 AM »
Quote from: doug coursey on April 16, 2024, 07:07:33 AM
Flew the fox 35 in stunt in the late 50's and 60's and never had the burp on upright and inverted engines...dont know if it was the fuel mix..we mixed our own fuel for all our different classes of events
The problem persists when the engine is mounted horizontally, ie., on a profile airplane.  In certain spots an over-large fuel charge gets thrown into the cylinder and drowns the plug apparently.  That flow pattern doesn't occur usually when the engine is mounted in another position.  Mounting the engine inboard rather than outboard may also solve the problem on a profile but add other complications.  An idle bar glow plug may help some.....otherwise the stick or the new head.

Dave
63
Open Forum / Re: Plugging boost port on fox .35
« Last post by doug coursey on April 16, 2024, 07:07:33 AM »
Flew the fox 35 in stunt in the late 50's and 60's and never had the burp on upright and inverted engines...dont know if it was the fuel mix..we mixed our own fuel for all our different classes of events
64
Open Forum / Re: Modellers in the Orlando area?
« Last post by Robert Zambelli on April 16, 2024, 06:32:52 AM »
Dennis - that sounds great.
Can I get some contact information?

Bob Z.
65
Paint and finishing / Re: Wait time before spraying 2K clear
« Last post by Steve Dwyer on April 16, 2024, 06:26:04 AM »
Does setting the model in the sun help speed up the outgassing process or whatever?

Steve
66
Building techniques / Re: Endgame IV Build
« Last post by Don Jenkins on April 16, 2024, 06:21:40 AM »
Quote from: Ken Culbertson on April 15, 2024, 04:41:14 PM
  Normally it would be a 1/32" molded insert but I found that smoothie straws are the perfect size and lighter that the balsa. 

Ken

...and much more colorful!  Nicely done.

Don
67
Open Forum / Re: Modellers in the Orlando area?
« Last post by Dennis Toth on April 16, 2024, 06:20:02 AM »
Bob,

There is the Tamp group about 1 hour away west and a group near Plam Coast about 1 hour east.

Best,   DennisT
68
Open Forum / Re: Modellers in the Orlando area?
« Last post by Robert Zambelli on April 16, 2024, 12:50:09 AM »
Hi, WWW.
Actually, the KOI is around 150 miles northwest of Orlando.
Bob Z.
69
Scale Models / Re: Looking for Judges - 2024 National Aeromodeling Championships (Nats)
« Last post by bob whitney on April 16, 2024, 12:10:07 AM »
how is the judge search going
70
Open Forum / Re: Half-A glowplug clip
« Last post by kevin king on April 15, 2024, 10:37:14 PM »
I've seen people use the yellow one, and it was shorting out the battery. The top clip that sits on top of the glow plug pin, if on an a slight angle, will also touch the top of the glow plug.
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