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Thread: A chinese's PA18 project----I need your sugestion.

  1. #201

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    Jutsrigh135's chinese is very well,but I guess that translate from english by google,a little stiff.Cubcraffters was bought by a Chinese named Qian Zhijun,I met this guy in Dalian,2016.Here are pictures about DaLian cub factory.Click image for larger version. 

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  2. #202

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    Justright135,please do not doubt the level of China's manufacturing industry,China make everything,The following photos is product of a manufacturing company I visited recently,maybe that could show the level of China's manufacturing industry.One of the parameters I know is steel structure of this 3D printer permissible error is +/-0.01mm,equal to +/-0.000394inch,that's very hard to control shrinkage and buckling distortion for a 10 feet hight and 20 feet width welding parts.
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  3. #203

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    Hi,anybody know Sterna Propeller?Someone recommend me use this prop on my PA18 project.

  4. #204
    algonquin's Avatar
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    Here is some advice from 50+ years in aviation. New/ experimental parts that won't kill you if they don't work , carefully try one at a time, never a bunch of new stuff at one time. Parts that can kill you , like a prop, use proven parts. I.e. Cato propeller, whirlwind propeller are two good choices. You will have plenty to deal with learning to fly the new airplane that's working correctly, leave the test flying new equipment to someone else.
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  5. #205

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    Quote Originally Posted by sageelite View Post
    Jutsrigh135's chinese is very well,but I guess that translate from english by google,a little stiff.Cubcraffters was bought by a Chinese named Qian Zhijun,I met this guy in Dalian,2016.Here are pictures about DaLian cub factory.Click image for larger version. 

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    chinese own cubcrafters? nope.https://www.heraldnet.com/business/c...uilding-plant/
    Last edited by tempdoug; 02-16-2019 at 12:44 PM.
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  6. #206
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    Quote Originally Posted by sageelite View Post
    Hi,anybody know Sterna Propeller?Someone recommend me use this prop on my PA18 project.
    http://www.greatplainsas.com/ed.html

    I have about 30 hrs flying behind a Sterba prop on a Ranger powered Great Lakes. Nice looking prop

    Glenn
    "Optimism is going after Moby Dick in a rowboat and taking the tartar sauce with you!"
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  7. #207
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    Quote Originally Posted by sageelite View Post
    Hi,anybody know Sterna Propeller?Someone recommend me use this prop on my PA18 project.
    I am quite familiar with Ed Sterba and Sterba propellers. Ed makes a decent quality wooden propeller targeted to the economy market. The KR guys love them for their VW and Corvair planes. I have flown behind Sterba props. They are one of the better quality economy props. A Catto prop is a much nicer prop and is superior to a Sterba prop, but also costs 4 - 5 times as much. It just depends on your goals. The Sterba prop would be a good, inexpensive prop to use during test flying while learning your plane. Ed uses an embedded polyurethane leading edge on his props that does a nice job of kicking rocks off the leading edge without damaging the prop.

    -Cub Builder

  8. #208
    Olibuilt's Avatar
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    Sterba or Sterna ????



    Sterba Propeller Company:
    http://www.greatplainsas.com/ed.html
    by phone: 1-941-778-3103
    by mail: 9660 SE 72nd Ave
    Ocala, FL 34472
    or by E-mail: ed_sterba@excite.com









    Sertna Composite Propellers:
    http://sterna-propeller.h931.000pc.net/products/

    L.A. Office:

    Add: 19358 Pilario St., Rowland Heights, CA 91748
    Tel: +1 626 2134596
    E-mail: sterna_prop@hotmail.com


  9. #209
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    This is the Sterna propeller: http://sterna-propeller.h931.000pc.n...ts/info10.html
    I never heard of them though they do look interesting.
    N1PA

  10. #210

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    在中国如果买一个熊飞机需要280万人民币,这显然不是不是普通人能接受的价格,不过在中国最近几年也有那 么一些人在建造属于他们的小熊飞机,你的小熊飞机建造的很艰难而且速度慢的很。分享出来的照片 有那么少?

  11. #211
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    Quote Originally Posted by justright135 View Post
    在中国如果买一个熊飞机需要280万人民币,这显然不是不是普通人能接受的价格,不过在中国最近几年也有那 么一些人在建造属于他们的小熊飞机,你的小熊飞机建造的很艰难而且速度慢的很。分享出来的照片 有那么少?
    I took the liberty of running that through Google translator:

    If you buy a bear plane in China and need 2.8 million yuan, this is obviously not the price that ordinary people can accept. However, in China in recent years, there are some people who are building their own bear aircraft. Your bear aircraft is very difficult to build. The speed is very slow. There are so few photos shared?

    I think our cubs are "bear planes."
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  12. #212

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    Quote Originally Posted by skywagon8a View Post
    This is the Sterna propeller:
    I never heard of them though they do look interesting.
    If I am correct they had a booth at Airventure in 2016. The workmanship visually was flawless although the hub on display just seemed to be light. The lady at the display was not real fluent in our language and I am in no way able to work in Chinese.
    It is possible the hub I looked at may have been for a two stroke such as the Rotax 447 I have on one of my planes, then I would say it is ideal and a far better prop than the 3 blade wood one I have.
    I do see thy list a prop for the 160 to 180 range engines so it is clear they are busy developing product.
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  13. #213

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    Quote Originally Posted by RVBottomly View Post
    I took the liberty of running that through Google translator:

    If you buy a bear plane in China and need 2.8 million yuan, this is obviously not the price that ordinary people can accept. However, in China in recent years, there are some people who are building their own bear aircraft. Your bear aircraft is very difficult to build. The speed is very slow. There are so few photos shared?

    I think our cubs are "bear planes."
    Ya, you are right. Cub translate in Chinese means"little animal&pups", In China, some people called Supercub"little bear", but we all know that's not correct.
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  14. #214

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    Painting

    Hello there, I haven't updated my post for a long time for I am busy on my full-time job and life trivia. But I painted fuselage steel structure, control surface structure, landing gear, and accessories, etc in my spare time.
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  15. #215
    www.SkupTech.com mike mcs repair's Avatar
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    A chinese's PA18 project----I need your sugestion.

    Quote Originally Posted by sageelite View Post
    Hello there, I haven't updated my post for a long time for I am busy on my full-time job and life trivia. But I painted fuselage steel structure, control surface structure, landing gear, and accessories, etc in my spare time.
    Danger!!! You left off the safety washers that keep the bearings from falling out of the 3” pull-ups!!



    Sent from my iPhone using SuperCub.Org mobile app

  16. #216

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    Thank you. That's a test installation. And the bearing bore is reserved for negative tolerances. I press the bearing into the housing with a press. very tight.

  17. #217

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    Quote Originally Posted by sageelite View Post
    Thank you. That's a test installation. And the bearing bore is reserved for negative tolerances. I press the bearing into the housing with a press. very tight.
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  18. #218

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    Click image for larger version. 

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    Last edited by sageelite; 06-27-2019 at 12:11 AM.

  19. #219
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    Quote Originally Posted by sageelite View Post
    Thank you. That's a test installation. And the bearing bore is reserved for negative tolerances. I press the bearing into the housing with a press. very tight.
    It's not just for a bearing that loses it's press fit. If the bearing fails and allows the center race to pull through the outer race, the pulley will depart, resulting in failure of that control system. Extremely important to install a retaining washer slightly larger than the outer diameter of the pulley to keep the pulley in place no matter how the bearing fails.

    Web
    Life's tough . . . wear a cup.
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  20. #220
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    Nice progress. Thanks for posting.

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