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Search: Posts Made By: Geek1945
Showing results 1 to 25 of 26
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Forum: Tips & Techniques
04-08-2017, 09:01 PM
Replies: 10
Views: 1,648
Posted By Geek1945

I'm disabled motorcycle accident my solution was...

I'm disabled motorcycle accident my solution was a used gas powered golf cart since electric ones are REALLY HEAVY. Bought two Walmart tractor type lugged tires, a no-no on golf courses, for rear...
Forum: Tips & Techniques
04-08-2017, 07:50 PM
Replies: 8
Views: 3,519
Posted By Geek1945

Test piece first always a good idea. Ed

Test piece first always a good idea. Ed
Forum: Tips & Techniques
04-08-2017, 07:03 PM
Replies: 26
Views: 12,958
Posted By Geek1945

I recall laminating resin does not contain a...

I recall laminating resin does not contain a sealing wax whereas finishing resin does so remember if applying finish resin over laminating alway abrade the surface and wipe with acetone or MEK. You...
Forum: Tips & Techniques
04-08-2017, 06:39 PM
Replies: 2
Views: 1,103
Posted By Geek1945

PS carefully look for additional unseen damage. Ed

PS carefully look for additional unseen damage. Ed
Forum: RC Scale Aircraft
04-08-2017, 06:12 PM
Replies: 1,865
Views: 626,542
Posted By Geek1945

If there was ever a question whether a wing's top...

If there was ever a question whether a wing's top surface lifts an airplane standing under an Ag spray plane when flying low will instantly disprove that notion!
Forum: Kit Building
04-08-2017, 10:55 AM
Replies: 5
Views: 13,995
Posted By Geek1945

http://www.dropzone.com/tools/calculator_wing_load...

http://www.dropzone.com/tools/calculator_wing_load.shtml
Forum: Tips & Techniques
04-08-2017, 09:57 AM
Replies: 49
Views: 9,263
Posted By Geek1945

Both band and scroll saws have their place in...

Both band and scroll saws have their place in modelling. The problem with band saws is usually related to setup in addition to others mentioned you may wish to visit ...
Forum: Aerodynamics
04-03-2017, 06:58 PM
Replies: 7
Views: 1,340
Posted By Geek1945

Dan, Speed is a squared root function...

Dan,

Speed is a squared root function whereas volume/sized is qubed root. Doing the calcalutions likely you'll discover your models are exceeding their scale speed. An example is a 1/4 scale Cub...
Forum: Scratch Building, Aircraft Design, 3D/CAD
11-26-2014, 05:40 PM
Replies: 34
Views: 7,509
Posted By Geek1945

Boy, haven't things changed since then now glow...

Boy, haven't things changed since then now glow engines are cheaper whereas gas ones are higher and electric ones might put both out of business shortly. I'm with you on foam ribs and fir or popular...
Forum: RC Gliders, Sailplanes and Slope Soaring
11-26-2014, 04:19 PM
Replies: 96
Views: 13,907
Posted By Geek1945

Thanks for the links, I'm beginning to believe...

Thanks for the links, I'm beginning to believe I'll never catchup with all these innovations the hobby seems to be like electronics you're always behind even worse if you take a couple month off. I...
Forum: RC Gliders, Sailplanes and Slope Soaring
11-26-2014, 04:11 PM
Replies: 96
Views: 13,907
Posted By Geek1945

Hi SierraTango, Two thumbs up for adding...

Hi SierraTango,

Two thumbs up for adding stretcher rods to your mold, great idea so I'll just copy it. Sure beats making a heavy mold too.

Regards
Ed
Forum: AMA Discussions
11-26-2014, 03:56 PM
Replies: 154
Views: 11,344
Posted By Geek1945

What concerns me is some mindless primate who...

What concerns me is some mindless primate who buys a RTF at any of 1000's of retailers, and charges up the batteries to fly near any airport. Hey, many have some open spaces around which appear a...
Forum: Scratch Building, Aircraft Design, 3D/CAD
11-25-2014, 01:46 PM
Replies: 34
Views: 7,509
Posted By Geek1945

130 lbs with a 100cc engine seem almost...

130 lbs with a 100cc engine seem almost incredible, it demonstrates models don't follow airfoil Reynolds numbers since their cords are much smaller giving more lift per wing span. I would imagine as...
Forum: AMA Discussions
11-25-2014, 12:56 PM
Replies: 154
Views: 11,344
Posted By Geek1945

Stop flying around airports and congested urban...

Stop flying around airports and congested urban areas, each time a pilot sees a model it's likely to get reported, all a pilot needs to do is advise the nearest FAA facility via AC radio. BTW, just...
Forum: Aerodynamics
11-25-2014, 12:31 PM
Replies: 9
Views: 7,127
Posted By Geek1945

Your explanation of airfoil data is greatly...

Your explanation of airfoil data is greatly appreciated. It just shows how an old forum entry just keeps helping others. I for one never considered our model airfoils to NOT follow airfoil data as...
Forum: RC Helicopter Heaven Support
11-03-2014, 09:08 PM
Replies: 3
Views: 9,231
Posted By Geek1945

Hope this helps:...

Hope this helps: http://www.redmax.com/files/Zenoah/RedMax/catalog.pdf
Forum: Gas Engines
11-02-2014, 12:21 PM
Replies: 25
Views: 3,010
Posted By Geek1945

I realize this is a very old thread yet, I'd be...

I realize this is a very old thread yet, I'd be remiss if failing to point out a flaw in the discussion. Magneto ignitions of the static type, Walbro has introduces variable timing magneto modules...
Forum: Gas Engines
11-02-2014, 12:21 PM
Replies: 25
Views: 3,010
Posted By Geek1945

I realize this is a very old thread yet, I'd be...

I realize this is a very old thread yet, I'd be remiss if failing to point out a flaw in the discussion. Magneto ignitions of the static type, Walbro has introduces variable timing magneto modules...
Forum: Engine Conversions
10-24-2014, 12:00 PM
Replies: 2
Views: 900
Posted By Geek1945

Big Single for Motor Glider

I’m in need of some help converting a 141cc Tecumseh 2 stroke snow thrower engine for use in a 5+ meter motor glider. This a large single cylinder engine with a 5.5hp rating. Induction is via piston...
Forum: RC Gliders, Sailplanes and Slope Soaring
10-19-2014, 11:39 PM
Replies: 96
Views: 13,907
Posted By Geek1945

I'd love to fly a true scale glider, I have...

I'd love to fly a true scale glider, I have nothing against stick & boom gliders and competition. The problem is when your on the downhill side of the bell curve your mind can write checks that your...
Forum: RC Gliders, Sailplanes and Slope Soaring
10-19-2014, 11:11 PM
Replies: 21
Views: 1,039
Posted By Geek1945

You might consider looking in the BUY & SELL...

You might consider looking in the BUY & SELL column there's an ad for enlarging plans of any size to your specs. Personally I just stumbled upon it tonight and the printing charges seem fair to me so...
Forum: RC Gliders, Sailplanes and Slope Soaring
09-17-2014, 09:17 AM
Replies: 3
Views: 764
Posted By Geek1945

Resisting the temptation to overbuild

For me at least designing a composite glider is a very 'no' extremely difficult task. Like many of us pouring over glider specs trying to get a handle on how others did it I'm sure many important...
Forum: Composites Fabrication And Repair
09-17-2014, 07:22 AM
Replies: 0
Views: 674
Posted By Geek1945

Best Places to reinforce a Pod & Boom Fuselage like DG-1000

Since my technical skills are mostly in electronics it would be appreciated if some of you experienced builders would share the best places to reinforce a composite glider like a DG-1000 for example....
Forum: Composites Fabrication And Repair
09-16-2014, 10:13 PM
Replies: 3
Views: 1,635
Posted By Geek1945

Tonight I saw a commercial for an attorney...

Tonight I saw a commercial for an attorney advertising lawsuits for females who used talcum powder, what next I blurted out! My wife a geologist replied do you know why? No! but these ambulance...
Forum: Composites Fabrication And Repair
09-16-2014, 09:41 PM
Replies: 1
Views: 862
Posted By Geek1945

Thoughts on tools for composite work

The following composite tool ideas are presented for your consideration.

1. Using cheap disposable foam pipe insulation on shortened paint rollers to apply resin. The foam doesn't absorb water...
Showing results 1 to 25 of 26
 
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