Hamilcar I (oz919)

 

Hamilcar I (oz919) by R. Base from Aeromodeller 1946 - plan thumbnail

About this Plan

Hamilcar I. Free flight scale glider, 1/24 scale model troop-carrier.

Quote: "Here is a model who's scale appearance by no means detracts from its flying capabilities. From performance figures it is apparent that the model compares very favourably with the average towline glider. On a calm day with no thermals, an average of 1 minute 40.6 seconds was obtained from a 200ft line ROG... "

Update 04/07/2016: Replaced this plan with a clearer copy (patterned background removed), also added 2nd sheet with fully redrawn CAD plan in PDFvector format complete with full rib drawings. All thanks to rchopper56.

Quote: "Hi Steve & Mary. Just finished the CAD version this morning. I have made some major changes, especially to the wing tongue. Had to move the box and the tongue to allow for the dihedral. I really feel that the entire model can be from balsa except where noted. I have included all of then ribs required. The original basic airfoil shown is very close to a Clark Y. I do have a 52in wingspan glider that uses only 1/8in square balsa for the fuselage frame, and no structural problems. That's why I feel the changes to balsa from hardwood will be OK. I have also included a sketch of my 10% zip airfoil max thickness at 33%. I use this type of airfoil to generate most flat bottom airfoils by changing % thickness and thickness location. Gene"

Supplementary file notes

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

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Hamilcar I (oz919) by R. Base from Aeromodeller 1946 - model pic

Datafile:

ScaleType:
  • General_Aircraft_Hamilcar | help
    see Wikipedia | search Outerzone


    ScaleType: This (oz919) is a scale plan. Where possible we link scale plans to Wikipedia, using a text string called ScaleType.

    If we got this right, you now have a couple of direct links (above) to 1. see the Wikipedia page, and 2. search Oz for more plans of this type. If we didn't, then see below.


    Notes:
    ScaleType is formed from the last part of the Wikipedia page address, which here is https://en.wikipedia.org/wiki/General_Aircraft_Hamilcar
    Wikipedia page addresses may well change over time.
    For more obscure types, there currently will be no Wiki page found. We tag these cases as ScaleType = NotFound. These will change over time.
    Corrections? Use the correction form to tell us the new/better ScaleType link we should be using. Thanks.

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User comments

Hi, Steve! Always cringe a bit when an OUTERZONE model plan piques my interest & then I see your very respected 'sad icon' w / formers incomplete caveat. Regarding this Hamilcar I WW2 glider plan, I'm assuming your warning is due to the lack of rib airfoil planform shapes for the entire wingspan? Is there a possibility the complete plan from AEROMODELLER isn't shown? Mr. Base's AIRSPEED HORSA 'stacks' the rib sizes nicely from root to tip. Just asking. Perhaps the 'aeromeddeler' ( submitter ) might assist. Thanks, Steve!
Don - 04/05/2015
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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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