Ace of Diamonds oz3662

 

Ace of Diamonds - plan thumbnail image

Ace of Diamonds - completed model photo

This plan was found online 15/11/2012 at: http://www.rcgroups.com/forums/showpost.php?p=23270307&postcount=693
Outerzone planID: oz3662 | Filesize: 333KB | Format: • PDFbitmap | Credit*: aeromeddeler, TonyP

   

About this Plan

Ace of Diamonds. A 26in span rubber driven Lightweight.

Quote: "The aim in designing the Ace of Diamonds was to produce a rubber-driven lightweight that was differnt in appearance without if possible any loss in performance. The results have been very satisfactory, the model being capable of making a vertival climb - if such a method of ascension be your choice. It is not an ultra-lightweight and is, in fact, pretty tough.

The Ace is very versatile and the prototype has also been fitted with a Jetex 200 unit by way of variation. This change is easily effected by the removal of the rubber motor and the substitution of a glider nose-block for the propeller assembly. The Jetex unit is mounted forward over the mainplane, the centre section of which is protected by a piece of asbestos paper. This Jetex version flies very well indeed and holds the Ampleforth College MAC record for this type with a flight of 5 min 52 sec OOS. The rubber-driven version also holds a club record in the rubber category, clocking 9 min. 30 sec. before going OOS. vertically overhead.

The construction of the Ace of Diamonds is so simple that building instructions are hardly necessary. The fuselage is made in the usual way on the plan and the only point requiring special mention is that the positions of the 3/32 in square spacers should be noted, most of the spacers being 1/16 in square. The wing platform is braced with 20 swg piano wire shaped as shown on the plan.

As with any duration model, particular attention should be given to the propeller. This is carved from a balsa block 6 x 2 x 1-1/2 in, and should be left fairly thick until trimming tests have been carried out......"

Update 12/01/2016: Replaced this plan with a cleaner copy (patterned background removed) thanks to TonyP.

Supplementary files

Article page, text and pic. Also, previous scan version.

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oz3662 datafile

Ace of Diamonds  
by Dick Twomey
from Model Aircraft
July 1950 
26in span
Tags: Rubber F/F
all formers complete :)
got article :)

 

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User comments

Propeller dimensions not to scale ie the length
anon - 28/10/2015
Fair point, seems there was a lapse in either the scaling of, or the dimensioning of, the prop blade. That's how the plan was printed and how it appeared in the magazine. It was drawn 6in long, but the dimensions say 2-1/2 + 3 = 5-1/2. Good point.
SteveWMD - 29/10/2015
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Notes

* Credit field

The Credit field in the Outerzone database is designed to recognise and credit the hard work done in scanning and digitally cleaning these vintage and old timer model aircraft plans to get them into a usable format. Currently, it is also used to credit people simply for uploading the plan to a forum on the internet. Which is not quite the same thing. This will change soon. Probably.

Scaling

This model plan (like all plans on Outerzone) is supposedly scaled correctly and supposedly will print out nicely at the right size. But that doesn't always happen. If you are about to start building a model plane using this free plan, you are strongly advised to check the scaling very, very carefully before cutting any balsa wood.

 

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