Grumman F3F (oz14722)

 

Grumman F3F (oz14722) by Paul Palanek 1955 - plan thumbnail

About this Plan

Grumman F3F. Control line scale model Navy biplane fighter.

Note plan shows both an inverted Fox 35, along with optional installation of an upright Torp 35.

Direct submission to Outerzone.

Update 4/8/2023: Added article, thanks to Pit.

Quote: "Delightful flying scale model of famous Grumman biplane fighter is a realistic flier on .29, .35. Was built to last lifetime. Grumman F3F, by Paul Palanek.

The stubby Grumman deck fighter F3F-3 offers a wealth of scale detail for the die-hard scale fan and a well-balanced arrangement for the rough and ready everyday controlline enthusiast.

During the thirties the F3F-3 boasted a 1,000 hp Wright-Cyclone and speeds in excess of 250 mph. This design carried an arresting hook (for you carrier event fans) permitting shipboard landings.

Unavoidably, the scale controlline fan has to be a very cautious person in order to preserve the fruits of his labor. Since so many flight dangers plague the scale fan we have tried to help him in this design by eliminating some of the dangers of nasty crack-ups. The model literally comes apart at the seams. Both upper and lower panels are removable. This permits the wings to give under severe landings, whereas a rugged mounting would rip a wing or do excessive damage.

To date the only repair work required for our flying F3F-3 is the patching of some ripped Silkspan. The struts, both cabane and 'N,' just bend and twist with the load. Another feature permits a fold-away model, easing the many problems of transportation. Our model sports a .35, but there is enough beef to carry higher displacement engines.

The fuselage is of conventional crutch design using 1/8 sheet for both crutch and formers. Cut out the center portion of the crutch to receive the bellcrank and motor bearers. Partially plank the fuselage using 1/8 x 1/4 balsa strip. Secure the 1/2 in square hardwood bearers in place. Also mount the 1/4 in plywood bellcrank platform as shown. A 3 inch bellcrank is employed. Further plank the fuselage, allowing sufficient space for added assemblies.

At this point in construction the tail surfaces. should be worked down and installed. Cut away a section of crutch and cement securely both the stab and fin. Use 1/2 x 3 in sheet balsa for all tail surfaces. The elevator is fitted with a Veco horn and cloth hinges. At this point, solder in place the 1/16 dia wire pushrod.

Install the tail swivel wheel using 3/16 dia dowel and 1/16 wire. Having planked to the bottom of the cahane strut spreaders, the 1/2 x 1 in balsa spreaders can then be installed with the aluminum struts screwed in place. Before completing the upper portion of the fuselage, secure a 2 oz Maeco fuel tank in place, and solder the 1/32 lead-out lines to the bellcrank. Complete the top side planking.

The wheel wells are next on the list, being made of 1/16 sheet, with a 1/32 wrap to form the shell. Cemented securely between formers A and B is a lay-up of balsa and ply to secure the gear in place. Once this lay-up is made, cement the wheel well in position and allow to dry. While it is drying, fasten behind this assembly three 5-40 nuts to each side for fastening the gear assembly..."

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Article.

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Grumman F3F (oz14722) by Paul Palanek 1955 - model pic

Datafile:
  • (oz14722)
    Grumman F3F
    by Paul Palanek
    from Model Airplane News
    December 1955 
    32in span
    Scale IC C/L Biplane Military Fighter
    clean :)
    all formers complete :)
    got article :)
  • Submitted: 25/07/2023
    Filesize: 657KB
    Format: • PDFbitmap
    Credit*: JJ
    Downloads: 418

ScaleType:
  • Grumman_F3F | help
    see Wikipedia | search Outerzone
    ------------
    Test link:
    search RCLibrary 3views (opens in new window)


    ScaleType: This (oz14722) 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/Grumman_F3F
    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

It's always a pleasure to see a plan by one of the Great Ancestors, even if it belongs to the Control Line Wrecking Ball school :)
Miguel - 04/08/2023
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Scaling

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