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  Item found in the following categories;
> Hardware & Accessories > Wheels/Landing Gear
> Hardware & Accessories > Wheels/Landing Gear/Retracts > Retracts

  RATED:

Mechanical Retracts 3.5mm x 140mm long (PAIR)

Mechanical Retracts 3.5mm x 140mm long (PAIR)

Mechanical Retracts 3.5mm x 140mm long (PAIR)



PRODUCT ID: OR011-01701


Weight: 75g
Quantity: 
International Warehouse
stock
10+
Price  $3.99

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 Customer rated
5108
crowns
  
 
Total of 23 discussions.
Turbobeaver  1399 points - 1/22/2015
 
This video will help people understand the principals of mechanical retracts and help you to get the best performance from them as far as set up goes. https://www.youtube.com/watch?v=DRjjbEY3Q34
VirginiaJim  148 points - 12/18/2014
 
Could someone please provide details of installation with a few close-up photoa? I'm confused about the orientation of the servos with regard to the retracts for optimal leverage. Thanks. VJ
yash  1 points - 6/15/2014
 
do these have servos built in
 AlbEagle007 567 points
No they are mechanical, you need one servo or two to use them.
sami  1 points - 6/7/2014
 
Will these hold 1 kg plane?
 AlbEagle007 567 points
Yes it will. Will be using these on a 1100 gram plane.
BEST ANSWER CREDIT AWARDED
jose  1 points - 12/12/2012
 
i have the art=tech mustang p-51 38'' wingspan ...do you think this retracts would be good my mustang or they are to big,, or what kind the retracts do you suggest me to use?
 Spitfiery 12 points
you can use HK-5094 they r about 5 dolars each and easy to use you dont have mess with servos and these retracts are heavy for your warbird
Customer Reviews
Overall Rating
Juri Ressler
likes
ValueUNRATED
QualityUNRATED
30 thumbs up!
Good mechanics, best price
Hight ~20mm, servo travel needed ~20mm
Weight without steel wire (retract only) = 25grams. Steel wire weight 20 grams. I replase steel wire with carbon legs and have 35 grams less.


1 comment. Reply..

Overall Rating
orionRider
likes
ValueUNRATED
QualityUNRATED
26 thumbs up!
Update: the servo linkage can easily be reversed for planes having narrow way retracts, like Me109 or Spitfire. The wire can also be rotated to have the spring turned 90° (for nose wheel action or wheels retracting in engine nacelles like on the DC-3)


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Overall Rating
Malcolm Macintosh
likes
ValueUNRATED
QualityUNRATED
21 thumbs up!
- total weight 90 gms (2 @ 45 gms each)
- these would work on planes up to 5 lbs, equivalent to .40 size. (estimate not less than 2 lbs)
- as always, retracts work best/longest if you are capable of gentler landings, & on good runway surfaces, but these are designed and built to work reliably
- needs more than a micro servo to ensure that it can push past the "gear up & locked" position.
- needs 1" depth to mount flush to wing surface the 4 mounting screw holes are bevelled head for flush mounting as well!!
- mechanism has 4 screws to disassemble for inspection if required


1 comment. Reply..

Overall Rating
Magnus Johansson
likes
ValueUNRATED
QualityUNRATED
16 thumbs up!
These retracts work flawlessly, the wire truly is 3.5mm but when you bend it i would recommend to heat the wire first because it is a blit brittle. They are "Reversible" so you can disasseble them and change the way on the controlwire, that means you can still have one servo in the middle and have the retracts retract either inwards or outwards.


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Overall Rating
Martin Sniedze
likes
ValueUNRATED
QualityUNRATED
9 thumbs up!
25mm deep in the wing. 20mm between mounting rails.
To reverse for Spitfire. Open it up, unscrew the hammer head on the actuator shaft and fit it backwards. Fit actuator shaft facing the other way, close it up.


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