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Materials Needed list for 5/16 scale 4 HP Horizontal R&V kit
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This is a consolidated "shopping list"
Length are Estimates: allowing 3/16" for each part section and finish work
All measurements are in inches unless otherwise noted
Outside dimensions (width, diameter) are listed first followed by lengths.  This list is truly just a guideline. Consider engine application, finished look of model, cost for small amts of stock vs. larger amts, etc.

*Unless noted, Dimensions are in Inches and diameters are listed first.

 

Round Brass

  • .0625 x 1.175
  • .1875 x 1.75
  • .25 x 3.01
  • .3125 x 3.935
  • .375 x 3.2625
  • .5 x 1.625
  • .625 x 1.05
  • .875 x .9075

Round CRMSteel

  • .125 x 10.11
  • .1875 x 14.55
  • .25 x 4.4
  • .3125 x .25
  • .375 x .875
  • .5 x 11.98
  • 1 x .625

Flat CRMSteel

  • .125 sq x .625 L
  • .1875 sq x 5.575
  • .3125 sq x .75
  • .5 sq x .1
  • .5625 sq x .5
  • .1875 x .375 x 1.5 L
  • .375 x .875 x 4.265 L

Sheet CRMSteel

  • .1875 thick x .875 sq

Brass Hex

  • .25 x 2.525
  • .3125 x .75
  • .375 x 4.96
  • .5 x 1

Bearing Bronze

  • .375 OD x .625
  • .5 x 1
  • .625 x 1
  • .75 x 2.275

Round Aluminum

  • .375 dia. x .5

 

 

 

 

 

 

Stainless Steel

  • .5 Dia. X 1 L
  • Qty 2 – 1/8” check balls
  • Wire mesh 10” x 17 ”

Copper Tubing

  • .125 x 24
  • .375 OD x 1
  • .625 OD x 5
  • 90 Deg. Elbow .625 ID

Brass Tubing

  • .125 x 2.875 L
  • 3 ferrules
  • 3 Male Connectors

Brass Sheet

  • .030 thick x 1 x 2
  • .050 thick x 1.375 x 1
  • .1 thick x .5 x .625

Galvanized Sheet

  • 22 Ga. X 1.875 Dia.

Corian

  • .25 dia. x .55

 

1 Steel Coffee Can

 

Tungsten

  • .0625 Dia. x .25

Music Wire (3 ft lengths)

  • .015
  • .018
  • .020
  • .030
  • .055

Steel Pipe

  • Qty 2- 1/8” NPT pipe plug
  • 1/8” NPT Street Ell
  • Qty 2– ” Pipe Nipple 1” L
  • ” Street Ell

 

Gibb Keys: 3/16 x 1 5/8 Qty 2 (obtain at Hit & Miss Enterprises or DeBolt)

 

Piston Rings from Otto Gas Engine Works

  • Qty 1- 3/32 wide x 1.25 OD

5/16 scale of 4HP Horizontal R&V Background Info

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