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t33 retracts

Old 06-07-2014, 06:47 PM
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jonyfever
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Default t33 retracts

i recently maidened my t33 at our local event and all i could say is wow plane looked good and flew even better thanks to global jet club. on the second flight though the scissor on the retract broke causing the strut to twist and eventually fall out of the sleeve.i ordered a set of main gear becouse this might be a problem again .once again jose at G J C was quick to order me a set as i want it ready for next event my question is has anybody owning this plane come up with a solution to beef up the retracts so if not a perfect landing they will not twist and rip out the gear the only thing keeping them in line is the sciccor and it looks like it is made from cast any ideas would be appreciated regards and thanks once again to GJC for all there efforts
Old 07-30-2014, 06:21 PM
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K.O.
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This is what I did and it seemed to solve the problem. In addition to what's listed on the bottom, the strut has to be pinned to the trunion. The compression bolt will not hold the strut(wheel) straight very long. If I can find some pics I'll send them.
K.O.


T-33 Landing Gear Mod's per strut

1. Drill scissor holes to 1/8" Note: hole's should be drilled straight as possoble
2. Cut one 1/8 " O.D. brass tube to 3/4"
3. Cut one 1/8" O.D. brass tube to 11/16"
4. Chamfer or bevel one end slightly to start in hole
5. Set in vice and press into scissor assembly
6. Screw in 2.5 mm X 25 mm socket cap screw into brass tube
NOTE grind down shoulder of bolt 1st or it will not screw in all the way
7. Secure with 2.5 mm locknut.

Materials needed

K&S Brass tube 1/8" #127
2 - 2.5 mm X 25 mm socket cap screw
2- 2.5 mm locknuts
Old 04-26-2016, 04:08 PM
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AFTERBURNER1
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Originally Posted by K.O. View Post
This is what I did and it seemed to solve the problem. In addition to what's listed on the bottom, the strut has to be pinned to the trunion. The compression bolt will not hold the strut(wheel) straight very long. If I can find some pics I'll send them.
K.O.


T-33 Landing Gear Mod's per strut

1. Drill scissor holes to 1/8" Note: hole's should be drilled straight as possoble
2. Cut one 1/8 " O.D. brass tube to 3/4"
3. Cut one 1/8" O.D. brass tube to 11/16"
4. Chamfer or bevel one end slightly to start in hole
5. Set in vice and press into scissor assembly
6. Screw in 2.5 mm X 25 mm socket cap screw into brass tube
NOTE grind down shoulder of bolt 1st or it will not screw in all the way
7. Secure with 2.5 mm locknut.

Materials needed

K&S Brass tube 1/8" #127
2 - 2.5 mm X 25 mm socket cap screw
2- 2.5 mm locknuts


Have any pictures of this setup?

Grind the bolt?

Thank you
Old 04-26-2016, 04:19 PM
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jonyfever
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it seems no matter what i do the main gear always have alot of slop .it wouldnt matter so much if flying of grass but we fly off ashvalt and tha gear always wants to toe in causing alot of stress on the gear i have bolted pined even glued some parts. bottom line cheap retracts the kit is of good quality but the gear is lacking just my opinion
Old 04-26-2016, 04:27 PM
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So KO's fix didn't help?
Old 04-27-2016, 10:31 AM
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K.O.
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Originally Posted by AFTERBURNER1 View Post
So KO's fix didn't help?
FYI Guys. Since reworking the T-33 gears I have over 150 flights since and had to rework one main gear again only once over this past winter. If you have any further question I'll be glad to help.

K.O..
Old 04-27-2016, 04:31 PM
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Originally Posted by K.O. View Post
FYI Guys. Since reworking the T-33 gears I have over 150 flights since and had to rework one main gear again only once over this past winter. If you have any further question I'll be glad to help.

K.O..
Pin the trunion? Grind the shoulder?

Thanks
Old 04-29-2016, 08:55 PM
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Originally Posted by K.O. View Post
FYI Guys. Since reworking the T-33 gears I have over 150 flights since and had to rework one main gear again only once over this past winter. If you have any further question I'll be glad to help.

K.O..
Thanks for the tip.. I did the mod and the Play is gone.. Now on to the brake issue.. They grab way to hard even at low pressure.. I want to do your mod on mine.

Question:

Which oring did you remove? The one near the back of the brake hub or the center one? What did you plug the vent hole with?


On another note do you happen to know the size of the bearings, brake orings and axle rod for the main wheels?

Thanks for the help

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