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4-Max
The Fixed Wing
Electric Flight Specialists

 
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APC Thin Electric Propellers

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Click here to see our range of prop balancers and reamers

Part Number Description Price Quantity
APCE4.2x2 APCE 4.2" x 2" £2.55
APCE4.5x4.1 APCE 4.5" x 4.1" £2.55
APCE4.7x4.2 APCE 4.7" x 4.2" £2.55
APCE4.75x4.75 APCE 4.75" x 4.75" £2.55
APCE4.75x5.5 APCE 4.75" x 5.5" £2.55
APCE5.25x4.75 APCE 5.25" x 4.75" £2.55
APCE5x5 APCE 5" x 5" £2.55
APCE5.5x4.5 APCE 5.5" x 4.5" £2.55
APCE6x4 APCE 6" x 4" £2.55
APCE6x4 Pusher APCE 6" x 4" Pusher £3.60
APCE6x5.5 APCE 6" x 5.5" £2.55
APCE7x4 Slow Fly APCE 7" x 4" Slow Fly £2.10
APCE7x5 APCE 7" x 5" £2.75
APCE7x5 Pusher APCE 7" x 5" Pusher £3.55
APCE8x4 APCE 8" x 4" £2.99
APCE8x4.5MR APC 8" x 4.5" Multi Rotor £4.99
APCE8x4.5MRP APC 8" x 4.5" Multi Rotor Pusher £4.99
APCE8x6 APCE 8" x 6" £2.99
APCE8x6 Pusher APCE 8" x 6" Pusher £4.05
APCE8x8 APCE 8" x 8" £3.10
APCE9x4.5 APCE 9" x 4.5" £2.99
APCE9x6 APCE 9" x 6" £2.99
APCE9x6 Pusher APCE 9" x 6" Pusher £4.30
APCE9x7.5 APCE 9" x 7.5" £2.99
APCE10x5 APCE 10" x 5" £3.35
APCE10x6 APCE 10" x 6" £3.35
APCE10x7 APCE 10" x 7" £3.35
APCE11x5.5 APCE 11" x 5.5" £3.55
APCE11x7 APCE 11" x 7" £3.55
APCE11x8 APCE 11" x 8" £4.25
APCE12x6 APCE 12" x 6" £3.99
APCE12x6 Pusher APCE 12" x 6" Pusher £5.30
APCE12x8 APCE 12" x 8" £3.99
APCE13x4 APCE 13 " x 4" £4.99
APCE13x6.5 APCE 13 " x 6.5" £4.99
APCE13x6.5 Pusher APCE 13 " x 6.5" Pusher £6.30
APCE13x8 APCE 13" x 8" £4.99
APCE13x8 Pusher APCE 13" x 8" Pusher £6.30
APCE14x7 APCE 14" x 7" £5.35
APCE14x8.5 APCE 14" x 8.5 " £5.35
APCE14x10 APCE 14" x 10 " £5.35
APCE15x6 APCE 15 " x 6 " £6.30
APCE15x8 APCE 15" x 8" £6.30
APCE15x10 APCE 15" x 10" £7.99
APCE16x8 APCE 16" x 8" £7.59
APCE16x10 APCE 16" x 10" £7.59
APCE17x8 APCE 17" x 8" £10.20
APCE17x10 APCE 17" x 10" £10.20
APCE17x12 APCE 17" x 12" £10.20 Out of Stock
APCE18x10 APCE 18" x 10" £12.60
APCE18x12 APCE 18" x 12" £12.60
APCE19x12 APCE 19 " x 12" £14.60
APCE20x10 APCE 20" x 10" £17.25
APCE20x11 APCE 20" x 11" £17.25
APCE20x12W APCE 20" x 12" Wide £17.25
APCE20x13 APCE 20" x 13" £17.25
APCE21x14 APCE 21" x 14" £17.50
APCE22x10 APCE 22" x 10" £18.75

Notes on balancing plastic/nylon props.
Ream or drill the prop to the correct diameter if necessary. Make sure the prop is restrained when drilling so that the prop can not rotate and injure you. Lightly sand the leading and trailing edge of the prop to remove any sharp flashing's.
Place the prop on the balancer. In most cases one side will drop, this is the heavy side. Rotate the prop by 180 degrees and see if the heavy side drops quicker or slower. If it drops quicker then rotate the prop by 180 degrees again, if it drops slower then keep it as it is.
To balance the prop, sand the front face of the heavier side of the prop until the prop balances horizontally. Alternatively you can spray clear car lacquer on the lighter side so that it is slightly heavier. When the propellants in the lacquer evaporates off it should balance horizontally. Check the balance again when the lacquer is dry and repeat the above if necessary. You have now balanced the blades but not the hub. This prop is only HALF balanced.

Next you have to balance the hub.
A fully balanced prop should not move when put in any position of 360 degrees.
If it returns to horizontal then the bottom half of the prop is heavier then the top.
You can either sand the bottom half of the hub or add weight to the light side by adding thick Cyano (superglue) keep sanding and/or adding weight until you can put the prop in any position and it doesn't move.

Now you have a FULLY balanced prop.

 

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