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Thread: T3 Tailwheel Suspension?

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  1. #1
    Junior Member
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    Default T3 Tailwheel Suspension?

    Has anyone at the factory seen the new T3 Tailwheel Suspension system? It is claimed to be lighter than the Pawnee spring and looks like it could be much more effective. Mitch/Pete/Randy any thoughts for use on an EX?

    T3 Tailwheel Suspension.jpg

  2. #2
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    Default Re: T3 Tailwheel Suspension?

    Looks really cool. My last Carbon Cub had the baby bush wheel and it "shuddered" a lot. I ordered my FX with the 3200 but this looks interesting.

  3. #3
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    Default Re: T3 Tailwheel Suspension?


  4. #4
    Senior Member stede52's Avatar
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    Default Re: T3 Tailwheel Suspension?

    If you read this post yesterday I had to make a couple of correction today to the measurements in this post, such as tail spring widths and tire size, I did some measuring this morning and confirmed the measurements below are correct.

    Bruce, I'm using the three stack pawnee spring(1.75") and I had to take about an 1/8" off on each side of the spring to fit the Tundra Lite wheel receiver. If you have access to the 1.5" three stack cub spring it would fit with no modification. The wheel I'm running is an 10" dia and 4 or 5" width. The actual tire surface on the ground is as much or slightly more then the 12" babybush because of the flat profile.
    Last edited by stede52; 12-21-2015 at 08:15 AM.
    Steve Dentz
    N419LD
    Carnation, WA

  5. #5
    Senior Member N867SP's Avatar
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    Default Re: T3 Tailwheel Suspension?

    I'm checking with them to see if they can adapt the rear mounting point to match the spacing on the EX. Once confirmed I'm going to order it and give it a shot..


    Pete
    CCK-1865-0078
    ️N9PW
    Severna Park, MD
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    Pete
    ✈️CCK-1865-0078 N9PW
    Severna Park, MD W18

  6. #6
    Senior Member stede52's Avatar
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    Default Re: T3 Tailwheel Suspension?

    Looks like it would really reduce the tail fatigue if you are doing lots of high angle of attach landings and with the two cylinders it should eliminate the shimmy on the Babybush tailwheel. The down side for me would be the fact it looks like it substantially reduces the angle of attack on the ground which is what I want for short field take-off performance. I've got the shimmy problem solved with a Tundra Lite tailwheel, if you don't mind a spring-less tail wheel, which is manufactured in Aberdeen, Wa by Jim Pekola (http://www.tundratailwheel.com/)
    Steve Dentz
    N419LD
    Carnation, WA

  7. #7
    Senior Member Clay Hammond's Avatar
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    Default Re: T3 Tailwheel Suspension?

    The only thing that prevents true tailwheel shimmy is proper "positive (leading)" deck angle of the pivoting plane of the yoke. If there isn't a stop limit on the suspension that prevents it from going past that positive angle to a negative (trailing) one, then you can and may still experience shimmy if the struts let go for some reason.

  8. #8
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    Default Re: T3 Tailwheel Suspension?

    Quote Originally Posted by stede52 View Post
    Looks like it would really reduce the tail fatigue if you are doing lots of high angle of attach landings and with the two cylinders it should eliminate the shimmy on the Babybush tailwheel. The down side for me would be the fact it looks like it substantially reduces the angle of attack on the ground which is what I want for short field take-off performance. I've got the shimmy problem solved with a Tundra Lite tailwheel, if you don't mind a spring-less tail wheel, which is manufactured in Aberdeen, Wa by Jim Pekola (http://www.tundratailwheel.com/)
    Hi Steve, can you tell us about the spring less operation, is it much rougher on landing / taxying than a spring.
    I have a Baby Bushwheel which works well but is heavy and I have had a couple of loops which I am sure was my fault but the concept of a locking wheel appeals,
    Bruce
    EX 41
    Australia

  9. #9
    Member jim plaster's Avatar
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    Default Re: T3 Tailwheel Suspension?

    I saw two videos where no steering linkages were used....no chain,springs etc. Does this mean differential braking and rudder only for ground ops? Not liking that idea,but love the setup otherwise.

  10. #10
    Senior Member Dan L's Avatar
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    Default Re: T3 Tailwheel Suspension?

    Quote Originally Posted by jim plaster View Post
    I saw two videos where no steering linkages were used....no chain,springs etc. Does this mean differential braking and rudder only for ground ops? Not liking that idea,but love the setup otherwise.
    It would. I've been flying my CC with a Baby Bushwheel without chains for years. If you're doing any taxi work in rough stuff like big rocks, drift wood trash, holes etc. it is easier on everything back there. And in the air the rudder has a free feeling. I like it.
    Flying Carbon Cub EX #11 since 2011

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