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Steve's scratch built "The Challenge"

This is the sister design By Otto to his famous "Challenger" design that used the Clark Y airfoil. "The Challenge" uses the famous Eppler 193 airfoil.

Steve's The Challenge right side

Steve's The Challenge tail view

"The Challenge"

will be available as a Short kit in
March, 2017

 


Copied From an unidentified poster on the RC Groups
March, 2015

I'm glad to see this thread too- it gives me a chance to step up on the soapbox for a minute. The B&W photo of the young fellow with an airframe standing in front of a store advertising "Junior Aeronautical Supplies" made me sad in a way- back in the day, people had an intrepid "can-do" attitude about learning and making things. Of course part of the reason being that if you wanted something like a model aircraft, you had to make it. That kid in the picture looks like the American spirit- he is ready and able.

Today, the attitude is "can-buy" and people no longer make things for themselves, and don't experience the learning that goes along with the process or feel the satisfaction and sense of self sufficiency that comes along with accomplishing such a feat. We're now a consumer culture.

I'm an old guy, which I guess makes me a bit of a curmudgeon, but I remember when people did and made for themselves, and everybody seemed like they were capable of creating things where nothing existed before.

Most of the stuff I fly at the moment is scratch-built, but I confess that I recently completed an OLY IIS from a SkyBench kit. :-)



Hi Ray,

Thanks for getting back to me and yes I am in Sacramento California, I like to build and sold my last Olympic ll kit that I lee gave me.

Regards, Ron Young


Hi Ron,

Your pics are terrific, your builds are beautiful, you obviously are a master builder, thanks for sending them.

I have two winches, will contact you if I decide to sell one. I'll check on shipping cost to California .. Right?

We are the lucky ones that knew the Renaud's, they flew on my club field in my F3B Warm-up contest. What a treat for me and my club.

Sagitta 900 Story - Ray's 1979 F3B Warm Up Contest

I live about an hour away from the AMA field in Muncie, Indiana where I fly my rubber free flights and RC Sailplanes. More luck

Regards, Ray


Hi Ray,

I was looking at your web site and liked what you have in products and kits for sale, I worked for Cox when they were in Santa Ana California. When I was there Airtronics was next door so I talked with lee a lot and also did the trade shows with him. I fly a lot of Free Flight and also I like to fly R/C glider and have sent you a pic of the kit I built that Lee gave me years ago, I am looking for a glider wench if you have any or know of anyone who has one for sale please let me know.

Regards, Ron Young.

Super Questor
Super Questor
Super Questor
Control Line Nobler 1 Control Line Nobler engine
Control Line Nobler engine cowl Control Line Nobler top view

Free flight 1 Free flight 2
Unfished racer 1 Unfinished racer 2
Unfinished racer 3 3 Free Flighters

Here's my last build from a Bob Holman short kit - a 76 inch Brooklyn Dodger. A great flier.

Ray DiNoble


Ray has returned to the art of building. He was a great contributor to RC Soaring for years in the Detroit Soaring club serving as President and contests Director. I look forward to receiving more of his build photos.

Brookly Dodger


See Ray DiNoble's RC Groups build thread for a excellent way to learn from a Master Builder.

1939 Sportster box


Ray - here's the "tiller" tailwheel gear assembly I designed for my models. It is fully adjustable (left/right) and places no load on the rudder.

It has the following pieces:

  • 3/32 music wire gear (suitable wheel/tire)
  • two 3/32 wheel collars
  • one 3/32 size washer
  • one piece of either brass tubing or red outer Nyrod
  • short piece of 1/16 music wire

Drill a 1/16 diameter hole in one of the 3/32 wheel collars, 90 degrees to the set screw. Solder the short piece of 1/16 music wire in the hole. This piece of wire will go into the rudder post to 'steer' the rudder. Slightly notch the fin post and rudder leading edge to give clearance to the upper wheel collar.

Groove the fin post and rudder leading edge to accept the brass tube. Drill a hole up thru the fuse bottom in line with the rudder/fin post. The brass tube will slide in here.

The second 3/32 wheel collar and the washer will ride on the fuse bottom taking the landing gear shock load. Make sure the brass tube does NOT extend past the bottom surface of the fuse (should be flush with the bottom surface).

Epoxy the brass tube to the fin post groove. (I tried laying 3/4 oz fiberglass on this joint or just covering with Ultracoat to hide the tube. I settled on just covering with Ultracoat).

Assembly: Slide the 3/32 gear wire up through the fuse bottom and the brass tube. Slide the upper wheel collar onto the 3/32 gear wire. Slide the 1/16 wire into the rudder after lining up the rudder hinges. Adjust the 3/32 gear wire up/down until the wire just extends through the upper wheel collar. Slide the bottom wheel collar and the washer up to contact the fuse bottom. Tighten the bottom wheel collar set screw. Hold the landing gear rear wheel straight and set the rudder straight ahead. Lock the upper wheel collar set screw. If the rudder and/or wheel needs left/right adjustments, the upper set screw is the adjustable point.

Ray DiNoble

Brookly Dodger Tailwheel construction details Brookly Dodger Tailwheel construction details
Brookly Dodger Tailwheel construction details Brookly Dodger Tailwheel construction details
Brookly Dodger Tailwheel construction details Brookly Dodger Tailwheel construction details
Brookly Dodger Tailwheel construction details


Hi Ray

I thought maybe I should update you on the 2 Oly ll's that I bought from you Jan. 6 2014. The first one I built as a straight sailplane. I wanted a "floater" for those marginal days. It is modified somewhat....the wing is stretched to 120", the nose was lengthened a few inches to look a little better and the horizontal tail is removable. I finished and flew that one in the Spring (the yellow one in the photo). It is a true floater for sure....glad I installed spoilers.

The red one is the Electric Oly ll that I just completed and did the first flight yesterday. The wing is stock 100" however I sheeted the leading edge on the top and added cap strips to the ribs.....I wanted to stiffen up the wing for a higher VNE (velocity never exceed) since it is a powered glider. Also the horizontal stab is removable for ease of transportation. I used a Hitec 480 brushless outrunner motor, Hitec 40A SBEC and a 1300mAh 30C LiPo battery. The all up flying weight came out a 42.6 oz. which I had hoped to be under the 40 oz. wt. but the sheeted leading edge was likely the culprit.

It was quite cold yesterday for the first flight however I did get almost an hours flight time.....by then my hands were frozen...time to pack it up. It flys great....the climb out is decent although next time I would go for more power. Incidentally....I did some high speed passes and no flutter with that sheeted wing...it is quite stiff....mission accomplished. This is a great flyer.

One last comment....the two Olympic ll kits were first rate, I am very happy with the quality. May have to do an Oly lll next.....keep you posted.

Regards..........Gordon Baxter....Kitchener, Ontario, Canada.

Baxter's Oly II glider Baxter's Oly II electric
Baxter's Oly II glider Baxter's Oly II electric
Baxter's Oly II electric Baxter's Oly II electric


Hi again Ray,

Yes you may use the photos of the Oly ll's and any or all of the commentary if you like. I thought I might as well throw in another interesting picture we took a month ago. I have at least 12 gliders and here are 6 that make up an interesting shot. The little orange one is a Hand launch Tercel (50" but stretched to 62") circa 1983, the red one is a 2 meter Sagitta 1984, the white 2 meter is a Parkzone Radian electric (my first encounter with electric) 2015, the Bird of Time is a 3 meter, 1999, the multi colored one is 120" Wander I built in 1980, and the white fiberglass sailplane with the t-tail is a 145" Flamingo by Multiplex built in 1988. All these gliders are "flight ready", I have another half dozen that are not.....in various states of repair. And of course now my two Olympic ll gliders that did not make it in the picture.

Anyway Ray......use what ever you like, I'm good with that. Thanks again for a wonderful kit..........Gord Baxter

Baxter's glider collection
Baxter's gliders with Gord Baxter


 


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