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Curtiss

 

JN

4D

 ʺ

Jenny

ʺ 

41.25

ʺ 

Copyright©

 

2005

11

  

M.K.

 

Bengtson

  

All

 

Rights

 

Reserved

      

Rev

 

07/11

 

 
 
 

Curtiss

 

JN

4D

 ʺ

Jenny

ʺ 

41.25

ʺ 

 

R/C

 

Scale

 

Model

 

Instructions

 

 
 
 

 

 
 
 
 

CONTACT

 

INFORMATION

 

Designed

 

by:

  

M.K.

 

Bengtson

 

Prototype

 

by:

  

Bert

 

Ayers

 

 

Manufactured

 

and

 

Distributed

 

by:

 

 

Bengtson

 

Company

 

e

mail:

 

[email protected]

 

Web Site:  

www.aerodromerc.com

Summary of Contents for JN-4D

Page 1: ...ll Rights Reserved Rev 07 11 Curtiss JN 4D ʺJennyʺ 41 25ʺ R C Scale Model Instructions CONTACT INFORMATION Designed by M K Bengtson Prototype by Bert Ayers Manufactured and Distributed by Bengtson Company e mail sales aerodromerc com Web Site www aerodromerc com ...

Page 2: ...c bag that the kit comes in to cover the plans in each of the building steps Slit the bag down the side and sealed end to open it up into one large sheet Laser cut parts can best be taken out of the balsa sheets by using a 11 x acto blade to cut the minute bridges in the laser cuts Pushing them out without cutting the bridges may break the part The model above was built with 1 8 square strips cut ...

Page 3: ...for the tasks of the top wings Cover the plans with the shipping bag and pin down the 1 8 x 3 8 bass spar and 1 8 square rear spar Start assembling the parts where ever you like Remember to lean L1 and R1 ribs 1 degree inward using the RAG laser cut piece Wing Construction Detail The top wing varies in that it has ailerons The aileron leading edge is laser cut part ULE The aileron ribs are wedge s...

Page 4: ...eps each stage simple but it also helps to ensure a straight fuselage Fuselage Construction Detail Cover the plans with the shipping bag Begin by building the rear section Pin down the 1 8 square balsa strips and cross members Let CA glue set for a few minutes remove pins then fold plastic sheet over glued parts and build another section right on top of the first section making both sections ident...

Page 5: ... hung the plans top view over the end of the table so that the front section aft of the the rear cabane strut sat flat on the plans and was able to glue the rear section top down to the front section keeping everything square to the plans A small weight kept front section in place Add formers F2 F4 F5 F6 and F7 The 1 16 balsa top decking needs to be pre formed by soaking in hot water and taped ove...

Page 6: ...e is used on the cone attachments The inside cone may be attached to the wheels The outside cones may be attached at this point if wheel collars are to be used Alternatively after installing the wheels on the landing gear a washer may be soldered to hold the wheel in place and then the cone is attached This method makes a very scale appearance Attach 1 8 balsa to the music wire to simulate wooden ...

Page 7: ... stabilizer elevator hinge the elevators in your favourite manner if you haven t already done so Make sure the leading edge of the stabilizer is parallel to the wings Measure from the wing tips to the same place on the stabilizer tips Triangulate Should be equal on both sides Manicure the fuselage saddle tail post if necessary to achieve a parallel Adding material is better than taking away in thi...

Page 8: ...el has to fly slowly It will not be a fast model Neither was the Jenny a fast airplane Balancing the Model Balance the model at the point shown It is best to position the battery to do this operation FLYING The model should ROG on pavement or hard surfaces On grass the model may require hand launching Be careful that your hand or fingers do not catch on the lower rigging Launch firmly and level Th...

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