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  • January 20, 2018, 09:56:35 PM

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21
Open Forum / Re: The U-Needle needle valve adjuster??
« Last post by Dan McEntee on Today at 06:52:16 PM »
  How the hell did it work? I do not remember ever seeing these, but do remember the SFA debacle.
   Type at you later,
   Dan McEntee
22
Combat / Re: Some 1/2As for Samuel
« Last post by ray copeland on Today at 06:50:08 PM »
Awesome, you go Sam!! Maybe when you guys come to town next time we can have some matches on my new flying field.
23
Engine set up tips / Re: Balance a Engine
« Last post by Peter Nevai on Today at 06:28:24 PM »
Over the years there have been as many people doctoring model engines as ones modifying CB radios. NOTE: The CB radio guys usually produced more reliable results. As many had complaints of ruined motors as those singing their praises. The majority of successful ones just remedied short comings of certain engines like making bushed con rods for those engines that only had aluminum to steel contact at the crank pin. These days the good ones like randy have ABC piston and liner retrofits made and again look to remedy obvious shortcomings of engines they modify else they create entire engines specifically designed for CLPA. Single cylinder engines inherently vibrate. In motorcycle applications rubber isolators are used to help kill the vibrations in cases both at the engine mounts and the handlebars. They are / were called "Thumpers" for more than one reason. As the photograph posted shows, designs like counter rotating mass and other techniques are employed to tame vibration with mixed success as it usually only successful at rather narrow RPM ranges. But often at least in motorcycle applications sometimes vibration is considered an attractive visceral feature. Go Figure, I personally was never a fan of numb butt or hands.
24
Open Forum / Re: PAMPA subscription
« Last post by Will Moore on Today at 05:45:37 PM »
Crist. :  not so  Z@@ZZZ
25
Open Forum / Re: PAMPA subscription
« Last post by Will Moore on Today at 05:42:18 PM »
  Hi Will;
    There is a changing of the guard at PAMPA and they are revamping the web site and such, and thus the decision to hold off on renewals until April. These are all volunteers doing this in their spare time, but I think they are nearing the end of the line on the work involved.  Do a search for a recent thread for the people involved and contact info, it was in the last couple of months that there was a lengthy thread about it. This shoule make things easier for the volunteers, and for members to keep track of their memberships and not have to do it during the crsuh of the holidays and other end of year things. I'm going to recommend they do it with our local flying site permits also.
  Type at you later,
   Dan



Thank you Dan, that was very helpful. He will wait until April.
26
Open Forum / Re: The U-Needle needle valve adjuster??
« Last post by bill bischoff on Today at 05:40:44 PM »
Yes, that's exactly what that was for. In the early-mid 1990's, there was an organization called Sport Fliers' Association that was trying to compete with AMA. Per their safety code, you had to use one of these to adjust the needle. This was before the days of the remote needle being the norm. Needless to say, most thought this was more dangerous than getting their fingers near the prop. Both it and the Sport Fliers' Association are long gone.
27
Open Forum / Re: Hinge Centering tool
« Last post by #Liner on Today at 05:40:12 PM »
I have that centering tool along with several others, I like the Tetra version you can get from Central Hobbies.  Robart makes a centering tool but it only works with round hinges like their hinge points.  Last year I got a set of the AeroBroach blades, they work very well with the DuBro or Tetra tool.  http://aerobroach.com/
I use the centering tool with the AeroBroach. The AeroBroach is awesome.
28
Open Forum / Re: Hinge Centering tool
« Last post by Peter Nevai on Today at 05:37:31 PM »
Not a centering tool, but to cut the slots a hacksaw blade cut at an angle makes a great tool to make the slots. The teeth are great in helping pick the balsa out of the slot. Works great for dubro pinned hinges.
29
Open Forum / Re: field support box
« Last post by George Truett on Today at 05:08:57 PM »
I have a Sig Field Boss I got maybe 15 years ago.  The parts were high quality ply and fit well, went together fast.  I have to warn you, it holds everything you need but it is a real beast when loaded up.  Unless you have something to wheel it around on I would suggest something a bit more compact.
30
Open Forum / Re: Hinge Centering tool
« Last post by George Truett on Today at 05:00:22 PM »
I have that centering tool along with several others, I like the Tettra version you can get from Central Hobbies.  Robart makes a centering tool but it only works with round hinges like their hinge points.  Last year I got a set of the AeroBroach blades, they work very well with the DuBro or Tettra tool.  http://aerobroach.com/
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