Caproni CA 183bis (oz15256)


Caproni CA 183bis (oz15256) by Tom Akery 2024 - plan thumbnail

About this Plan

Caproni CA 183bis. Free flight scale model for rubber power.

Direct submission to Outerzone.

Quote: "Steve, I just finished this plan and wanted to submit it to your site. I enjoy drawing plans of unusual aircraft. I was surfing the net and found a 3 view of the Caproni Ca183bis.

In 1942 Caproni began construction on a high-altitude fighter using prop and jet thrust. The CaproniCA 183bis had a DB 605 of 1,250 HP in the nose driving two three-blade contra-rotating props with a 700 HP Fiat A.30 radial behind the cockpit driving a Campini compressor expected to furnish a 60 MPH boost of jet thrust for an optimistic maximum speed of 460 MPH with a range of 1242 miles. One 20 mm was to be in the prop hub with four more in the wings. Weight was to be 16,538 lbs with a 48-foot wingspan.

I usually build my fuselages on a ladder style jig made with Duco glue that can be disolved with acetone for later removal of the fuselage formers. I cut out the fuselage formers from 1/16" balsa or sometimes 1/32" balsa and laminate it cross grain to make a strong former. I then place the formers on the ladder using the locating lines on the former patterns aligning with the thrust line from the plan.

Once the formers are located on the jig I begin placing the 1/16" sq stringers, alternating from side to side. I also place the wing saddle as noted on the plans between formers 4 & 6. Once the stringers have been place on the formers leaving a bit of room to remove the ladder jig as mentioned above using acetone.

The wing is built using the Ree's sliced rib construction. Mike Stuart has a great post on his site of just how this is achieved: Mike's flying scale model pages, see under his techniques section.

Use the patterns to make your wing spars and the rib pattern to make your cutting pattern from 1/16" ply or plastic or aluminum sheet.

The vertical stab and rudder is made by laminating the outline from 3 strips of 1/32"X3/32" balsa around the vertical stab pattern. Once the outline is dry the vertical stab is buillt in the air around the vertical spar as shown on the plan from 1/16" sheet. Then the ribs are added using 1/32"X1/8" strips of balsa giving the vertical stab some body and airfoil shape.

The horizontal stab is built of 3/32" sq balsa and laminated tips/or 3/32" sheet strips around the outline of the stab tips.

This model can be built several different way. You can venture into the contra-rotating prop setup. Or you can make it a pull/push model simulating the jet engine with a clear prop on the rear, and just using a single prop on the nose. The Caproni Ca183 used the inline engine in the nose and the Campini Compressor (Jet) in the fuselage behind the cockpit.

I used the McComb TVO formula to set the CG of the aircraft. Ian on made an Excell program for determining this formula for your models, here's the link:

As you can tell I haven't built it yet but it reminds me of the Dornier Do 335 (oz13875) I built a few years back, which is on your site as well. Included is a picture from the internet [pic 003] and my PDF plan.
Tom Akery


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  • (oz15256)
    Caproni CA 183bis
    by Tom Akery
    46in span
    Scale Rubber F/F LowWing Military Fighter
    clean :)
    all formers complete :)
  • Submitted: 21/04/2024
    Filesize: 610KB
    Format: • PDFvector
    Credit*: TomAkery
    Downloads: 370

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Caproni CA 183bis (oz15256) by Tom Akery 2024 - pic 003.jpg

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