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Universal Vernier-Assist Controls

Products in "Universal Vernier-Assist Controls"

Part No. 6518
ROLLER PIN, Vernier-Assist

Must be ordered in multiples of 6

Retail Price: $4.30
Your Price: $3.55
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Part No. 6730
Retail Price: $27.18
Your Price: $22.40
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Part No. MCVA0005-30D048
Retail Price: $394.95
Your Price: $268.16
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Part No. MCVA0005-30D072
Retail Price: $409.80
Your Price: $278.24
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Part No. MCVA0005-30D096
Retail Price: $424.63
Your Price: $288.31
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Part No. MCVA0005-30D144
Retail Price: $439.44
Your Price: $298.37
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Part No. MCVA0241-03-048
Retail Price: $313.21
Your Price: $212.66
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Part No. MCVA0241-03-072
Retail Price: $322.86
Your Price: $219.22
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Part No. MCVA0241-03-120
Retail Price: $342.12
Your Price: $232.30
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Part No. MCVA1035-20-036
Retail Price: $330.08
Your Price: $224.12
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Part No. MCVA1035-20-048
Retail Price: $342.63
Your Price: $232.64
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Part No. MCVA1035-20-060
Retail Price: $355.16
Your Price: $241.14
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Part No. MCVA1035-20-072
Retail Price: $367.68
Your Price: $249.65
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Part No. MCVA1035-20-084
Retail Price: $380.22
Your Price: $258.16
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Part No. MCVA1035-20-096
Retail Price: $392.75
Your Price: $266.67
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Part No. MCVA2035-20-036
Retail Price: $330.08
Your Price: $224.12
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Part No. MCVA2035-20-048
Retail Price: $342.63
Your Price: $232.64
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Part No. MCVA2035-20-060
Retail Price: $355.16
Your Price: $241.14
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Part No. MCVA2035-20-072
Retail Price: $367.68
Your Price: $249.65
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Part No. MCVA2035-20-084
Retail Price: $380.22
Your Price: $258.16
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Universal Vernier-Assist Controls
McFarlane invents a new type of vernier engine control
This brand new type of control has all the fine adjustment benefits of an old style push-button release vernier control, with the simplicity, responsiveness and jam-proof safety of a friction lock control.

These light weight controls use a patented roller action and do not use a positive lock thread engagement. Coarse adjustments are made by pushing the knob inwards or pulling the knob outwards. Fine adjustments are made by rotating the knob clockwise or counterclockwise. For extreme conduit routing or heavy carburetor load installation, slight inward or outward assist pressure could be required during rotation.

We currently offer these controls for use on non-certified aircraft only. However, we plan to obtain FAA-PMA approval to offer the Vernier-Assist mechanism as an option on many of our currently approved controls for Cessna and Piper.

  • Light weight and compact behind the dash
  • Good hand space around the knob
  • Safer - our roller action cannot jam
  • US Patent No. US 8,485,057 B1
  • Assembly Video

MCVA Series Controls:
Available in a variety of standard lengths or custom fabricated to your unique requirements.

Installation Instructions:
Control with threaded end
Control with wire end

Control with 0.061" diameter solid wire end:
Order part number MCVA0241-03-LLL (LLL = length in inches)

  • Knob is not included. Requires a knob with 1/4-20 thread.
  • Available in 4, 6 and 10 foot lengths
  • May be trimmed to length
  • Requires a 3/8" panel hole
  • Ideal for aircraft with tight space constraints! Extends about 3.5 inches behind the dash.

Control with 10-32 threaded end:
Order part number MCVA1035-20-LLL (LLL = length in inches)

  • Knob is not included. Requires a knob with 1/4-20 thread.
  • Available in 3, 4, 5, 6, 7 and 8 foot lengths
  • Vernier and friction lock
  • Requires a 3/4" panel hole

Control with 1/4-28 threaded end:
Order part number MCVA2035-20-LLL (LLL = length in inches)

  • Knob is not included. Requires a knob with 1/4-20 thread.
  • Available in 3, 4, 5, 6, 7 and 8 foot lengths
  • Vernier and friction lock
  • Requires a 3/4" panel hole

Control with 5/64" diameter 1x7 twisted stainless steel wire end:
Order part number MCVA3035-20-LLL (LLL = length in inches)

  • Knob is not included. Requires a knob with 1/4-20 thread.
  • Available in 4, 6, 8 and 12 foot lengths
  • Vernier and friction lock
  • Includes 6515 Barrel Stop Assembly
  • Requires a 3/4" panel hole

Dual Control with 1/16" diameter 1x7 twisted stainless steel wire ends:
Order part number MCVA0005-30DLLL (LLL = length in inches)

  • Knob is not included. Requires a knob with 1/4-20 thread.
  • Available in 4, 6, 8 and 12 foot lengths
  • Vernier and friction lock
  • Includes 6408 Hardware Kit
  • Perfect for Rotax 912/914 engines!

Why choose McFarlane?

OUR PARTS ARE ENGINEERED TO LAST LONGER WHILE SOLVING KNOWN SAFETY ISSUES

OVER 40,000 PARTS IN STOCK WITH SAME DAY SHIPPING IF ORDERED BY 3PM

OUR TEAM PROVIDES THE OLD-FASHIONED CUSTOMER SERVICE THAT YOU EXPECT

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