Spacer oz2099

 

Spacer - plan thumbnail image

Spacer - completed model photo

This plan was found online 23/12/2011 at: http://www.rcgroups.com/forums/showpost.php?p=20212986&postcount=7670
Outerzone planID: oz2099 | Filesize: 312KB | Format: • PDFbitmap | Credit*: R Friestad www.co-op-plans.com

   

About this Plan

Spacer. A-B Spacer. Free flight power model.

Quote: "Winner in really big way is the Class AB job shown here for .19's to .29's. It's the best design published since the Civy Boy. The Spacer, by Sal Taibi.

The AB Spacer was designed in January, 1953 and since then has compiled a terrific win record of 22 first places that year, mainly in the California area. Among some of the contests won were the following; Bakersfield, Calif., first place, Class A, 35 minutes 29 seconds ( AMA Record); San Dimas, Calif., first place, Class B-ROW ( AMA Record ); 1953 Nationals at Willow Grove, Pa., first place, Class A, Senior; Fresno, Calif. Annual Contest sweep of both Classes A and B; Los Angeles, Calif., first place, Class A, All Pacific Coast Championships; Long Beach, Calif., first place, Class A-B Junior-Senior-PAA Load, using a slightly widened and deepened fuselage to accommodate payload man, stock otherwise.

The Half-A Spacer held both Open and Junior AMA Records in 1953. F. L. Swaney, Long Beach, Calif., 26:54, Open; and D. Farnsworth, Jr., Bakersfield, Calif., 20:02 in Junior Class.

The Spacer has the good flying consistency that makes a contest winner, is a simple model to construct and extremely rugged and lightweight, averaging 24-26 oz. It will take most of the .19-.29 engines.

Pin the two lower longerons on the top view of the plans, then cement all the bulkheads in place except the plywood bulkhead. Allow to set at least a half hour and then cement the top longerons and the 3/16 sq pylon supports in place; next cement the motor mounts in place and then the 3/16 x 3/8 rear stab longerons. When cementing the stab longerons together at the rear of the fuselage use a square, place it against the lower longerons and then pin the upper stab longerons together while against the square to assure proper alingment.

After this has dried cement a piece of 3/8 x 1/2 balsa at the rear of the fuselage. Cement the 1/4 sheet together for the pylon, let set, and then, after sanding, trace the correct outline on the sheet balsa, cut out and then slide the pylon into the slot in fuselage. Remove the construction from the board, drill the motor mount holes, place the tank in position and fasten with wood screws. The tank must be in the position shown on the plans or the fill and overflow tubes will interfere with the timer shut-off installation. Remove tank temporarily..."

Update 21/10/2018: Added article, thanks to Pit.

Update 22/10/2018: Added supplementary plan file called 'tail 1', thanks to Pit. This is extracted from the drawings on page 10 of the article. Shows all tail parts. Now scaled up to fullsize.

Update 22/10/2018: Added supplementary plan file called 'tail 2', thanks to rchopper56.

Quote: "Hi Steve and Mary, I started to draw up the missing stab using the stab layout in the article. I then checked the area and it did not match the area of 182 sq inches posted on the main drawing. Then increased the span until 182 sq. inches was achieved. The attached PDF file is full size. Gene"

Supplementary files

Article.
Tail 1 drawing.
Tail 2 drawing.

Corrections?

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oz2099 datafile

Spacer  
by Sal Taibi
from Model Airplane News
December 1954 
66in span
Tags: IC F/F Pylon
all formers complete :)
got article :)

 

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User comments

I didn't find the stabilizer panel draw.
n.cholakian - 20/08/2013
Needs stabilizer plan.
anon - 20/10/2018
Fair point. This plan is indeed incomplete. Suggest referring to the alternate plan at Spacer 600 (oz6593) which does include all tail parts.
SteveWMD - 20/10/2018
The Taibi Spacer 66 ws is in Model Airplane News - Dec 1954, if someone can help.
Pit - 21/10/2018
Thanks Pit, have updated this listing now.
SteveWMD - 21/10/2018
The Spacer plan and the Spacer 600 plan are actually quite different. The Spacer is the original 565 Spacer that was published in Model Airplane News in, I believe, 1953. The 600 Spacer plan is a modified version flown by a number of people out in California these days. A while back I had a discussion with the author of that plan as we fly our Spacers quite differently. The 600 flies right/right, which is unusual for a model with an underfin. This is why it has six degrees of left thrust and the CG is much further back than on the original. I built my 565 from the original Model Airplane News plans and set it up just as Sal Taibi intended, with the CG at about 60 percent, 3/16 washin in the right main panel and about 1/8 washout in each tip panel [more pics 004]. Like the original, it flies right/left. I use anywhere from a Fox .19 to a Fox .25 engine depending on what class I am flying. It placed second in Class A Nostalgia gas at the 2018 U.S. Nationals in Muncie, Indiana, powered by the .19. I have the original MAN plan and I will see if I can get it scanned in and send it to you.
SimonBlake_Canada - 21/10/2018
Attached plan article for Anon [suppl. file].
Pit - 21/10/2018
Ok, added 'tail' file(s) now, see supplementary files.
SteveWMD - 22/10/2018
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Notes

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Scaling

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