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Search: Posts Made By: Boulder Dave
Showing results 1 to 9 of 9
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Forum: Kit Building
08-30-2016, 10:40 AM
Replies: 3,856
Views: 494,629
Posted By Boulder Dave

http://www.rcuniverse.com/forum/attachment.php?att...

http://www.rcuniverse.com/forum/attachment.php?attachmentid=2178922

Me and my Kadet, in the spring of 1974. I'm 53 now. Do the math.

Sig Kadet, built by my dad and me, put entirely together...
Forum: Control Lines
11-26-2010, 05:32 PM
Replies: 16
Views: 1,854
Posted By Boulder Dave

RE: R/C motor for C/L ?

The centerline of the tank should be lined up, top to bottom, with the centerline of the crankshaft, with
the engine mounted profile-style. Looking from a wingtip, that is. Since in that...
Forum: Control Lines
11-26-2010, 05:26 PM
Replies: 16
Views: 1,854
Posted By Boulder Dave

RE: R/C motor for C/L ?

I've done that, and it's actually easier to tune an engine for full throttle operation, if you're not worried about idling. If your field allows it, you can leave off the muffler
completely, since...
Forum: Control Lines
11-10-2010, 04:07 PM
Replies: 4
Views: 1,212
Posted By Boulder Dave

RE: cox

You didn't say if it's a reed-valve engine or a TD/Medallion. If you
have an external tank, it's most likely a TD. Depending on whether
the engine isn't stock, it may need a pressurized (pen...
Forum: Aerodynamics
08-03-2009, 07:10 PM
Replies: 9
Views: 1,631
Posted By Boulder Dave

RE: Flying Wing question

Back in the 1970s, Bill Evans designed the "Simitar" series, both slope gliders and power planes. These were flying wings
with tapered wings and a straight leading edge, giving a median forward...
Forum: Classic RC Pattern Flying
09-29-2008, 10:09 PM
Replies: 5
Views: 3,514
Posted By Boulder Dave

RE: Kraft Systems Vista Address?

Thank you, Friends.

I'll try to get a bit of time to drive by tomorrow. It's only 11 miles from my home.

I guess Kustom Kraftsmanship used to be right nearby, too.

I started flying RC...
Forum: Classic RC Pattern Flying
09-29-2008, 07:21 PM
Replies: 5
Views: 3,514
Posted By Boulder Dave

Kraft Systems Vista Address?

Hi, there,

This is a very odd question, but I figured this might be the best place to ask it.

When I was young person flying these classic pattern planes in Iowa, I used exclusively Kraft
...
Forum: Aerodynamics
06-08-2007, 06:22 PM
Replies: 33
Views: 3,017
Posted By Boulder Dave

RE: I don't understand "tip stall."

Uh, no. Rudder/Elevator gliders turn like they had ailerons because they have lots of dihedral, and when yawed, dihedral presents a higher angle of incidence on the upwind side. Otherwise a A/E/R...
Forum: "1/2 A" & "1/8 A" airplanes
02-07-2007, 05:37 PM
Replies: 21
Views: 1,464
Posted By Boulder Dave

RE: A real SPAD, and it ain't plastic!

Beautiful job!

(Warning, aero-history-nerd reference below.)

Seems to me a button-p*ssing scale model such as this that's electric
powered needs to use an "outrunner" motor, to keep with...
Showing results 1 to 9 of 9


 
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