Jr Fair Book

Mechanical Projects – Department J-24

  • To be judged Thursday, following electricity

One Grand Champion and one Reserve Champion will be selected in Electricity or Mechanical projects. Ribbon will be awarded.

Department J-24, Class A – Tractor

Class A – Tractor

 Premiums Offered

Blue – $2.50
Red – $2.25
White – $2.00
Pink – $1.50

Open to members enrolled in a tractor project.

  1. Poster or display of parts of a tractor.
  2. Poster on tractor or machinery safety.
  3. Display board showing different kinds of nuts, bolts, screws, washers and other fasteners used on farm machinery, properly labeled. (Mount should be on plywood or pressed board size 14”x22”).
  4. Any other. Include a 3×5 card explaining work completed.

Department J-24, Class B – Small Engines

Unit I – Grades 3-7 – Open to 4-H members enrolled in Small Engines or members of other youth groups doing equivalent work. Posters are to be 14”x22”. Page numbers reference 4-H literature.

 Premiums Offered

Blue – $1.75
Red – $1.50
White – $1.25
Pink – $1.00

  1. Poster of the parts of a lawn mower. Pg. 6
  2. Poster or display of tools used to maintain and repair engines .pg 10
  3. Poster on different grades of oil or different air filters. pg. 14, pg. 16
  4. Poster of spark plug parts and maintenance. pg. 20
  5. Poster on safety – clothes, labels, etc.
  6. Any other. Include a 3×5 card explaining work completed.

Unit II – Grades 8 & above – Open to 4-H members enrolled in Small Engines or members of other youth groups doing equivalent work. Posters are to be 14”x22”.

Premiums Offered

Blue – $2.00
Red – $1.75
White – $1.50
Pink – $1.25

Poster on different types of engines. pg. 6

  1. Panel exhibit of small engine parts with identification of parts. No bigger than 4’x4’, pg. 8 & pg. 20.
  2. Poster on specialty tools used to repair engines. Pg. 10, unit 2 book or pg. 8, unit 3 book.
  3. Poster on comparative shopping for new lawn mower. pg. 28 & 30.
  4. Safety poster.
  5. Any other. Include a 3×5 card explaining work completed.

Department J-24, Class C – Bicycle

Premiums Offered

Blue – $2.00
Red – $1.75
White – $1.50
Pink – $1.25

Unit I – Open to all members enrolled in the Bicycle project.

Posters are to be 14”x22”.

  1. Poster on the different parts of bicycle.
  2. Poster on safety.
  3. Poster on maintenance – tire, brakes, chain, etc.
  4. Any other bike exhibit. Include a 3×5 card explaining work completed.

Department J-24, Class D – Aerospace

Premiums Offered

Blue – $2.00
Red – $1.75
White – $1.50
Pink – $1.25

Unit I – Open to exhibitors grades 3-5 enrolled in an aerospace project.  Page numbers correspond to 4-H literature.  Posters are to be 14”x22”.

  1. Small homemade model airplane made of balsa, paper, cardboard. NO KITS.
  2. Small model airplane from kit.
  3. Homemade launch pad.
  4. Exhibit on the history of flight.
  5. Homemade space buggy (pg. 12)
  6. Model rocket (no engines in rockets)

Unit II. Open to exhibitors grades 6-8 enrolled in an aerospace project. 

  1. Single-stage rocket (3 or 4 fin), may use kit. No engine in rockets.
  2. Multistage rocket, 2 stages. No engine in rockets.
  3. Poster on basic parts of rocket, identified (pg. 6)
  4. Educational poster on parts of an airplane identified.
  5. Model airplane from a kit.
  6. Homemade diamond kite (pg. 22).
  7. Poster on hot-air balloon, with parts identified (pg. 25)

Unit III & IV. Open to exhibitors grades 9 and above enrolled in an aerospace project. 

  1. Front rudder straw glider. (pg. 16)
  2. Single-stage rocket, kits must be level 2 or higher. No engine in rockets.
  3. Multistage rocket, kits must be level 2 or higher. No engine in rockets.
  4. Exotic design rocket kit, must be level 3 or 4 (no engines in rockets).
  5. Poster on helicopters, with parts identified (pg. 30).
  6. Altitude tracker (pg. 8-9, unit 4 book).
  7. Build a kite (pg. 24, unit 3 book or pg. 20, unit 4 book).
  8. Model airplane from a kit.

Department J-24, Class E – Models

Premiums Offered

Blue – $2.00
Red – $1.75
White – $1.50
Pink – $1.25

  1. Snap together model from a kit, excluding Lego’s, K’NEX and wood. Exhibitors grades 3-6.
  2. Model from kit using glue & paint – automobile. Exhibitors grades 3-6.
  3. Model from kit glue & paint – not auto or Lego. Exhibitors grades 3-6.
  4. Original Model. Exhibitors grades 3-6.
  5. Model using Lego’s/K’NEX. Exhibitors grades 3-6.
  6. Model made of wood. Exhibitors grades 3-6.
  7. Auto model from kit, not snap-together. Exhibitors grades 7-9.
  8. Non-Auto model from kit, no snap-together. Exhibitors grades 7-9.
  9. Original model. Exhibitors grades 7-9.
  10. Model using Lego’s/K’NEX. Exhibitors grades 7-9.
  11. Model made of wood. Exhibitors grades 7-9.
  12. Auto model from kit, not snap-together. Exhibitors grades 10 and above.
  13. Non-auto model from kit, no snap-together. Exhibitors grades 10 and above.
  14. Original model. Exhibitors grades 10 and above.
  15. Model using Lego’s/K’NEX. Exhibitors grades 10 and above.
  16. Model made of wood. Exhibitors grades 10 and above.

Department J-24, Class F – Robotics

Premiums Offered

Blue – $2.00
Red – $1.75
White – $1.50
Pink – $1.25

  1. Educational display/exhibit/poster/journal showing activities/involvement in Robotics project from current year.
  2. Any other robotics exhibit.

Department J-24, Class G – Self-Determined

Mechanical Projects/Handyman

Premiums Offered

Blue – $2.00
Red – $1.75
White – $1.50
Pink – $1.25

  1. This includes any exhibit that is not listed under any other class. Include a 3”x5” card explaining what was done.
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