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PullTube review
Upload videos posted to YouTube or Vimeo, including entire playlists, maintaining the original format or extracting only audio
Video sharing via internet hosting services such as YouTube or Vimeo is common practice, but streaming content cannot work properly if you have a slow internet connection.
Its close tolerances, good finish, and dense structure make it ideal for parts such as bearings, shafts, cylinders, axles, bushings, collets, conveyor rolls, couplings, fittings, telescoping and push-pull applications, steering columns, shift levers, airbag inflators, damper tube (tubing)s, power seat mechanisms, engine mounts, fuel rails. 3 new & refurbished from $42.99. NEW Yamaha YMC13001 Apex Snow Bike Sled Tube Ages 6+ has brakes & tow strap. New Sno Play Pull Along Kiddie Sled Ages 1-3.
PullTube offers you the ability to upload videos from both sources (YouTube and Vimeo). The application can work with playlists, allows you to choose the quality of the downloaded products, and can even extract only audio.Video Downloader, which can import links with drag and drop and can detect playlists. PullTube offers a streamlined workflow for fast video downloads from YouTube or Vimeo and provides product quality control, as well as the ability to extract audio to MP3 or M4A files.
The PullTube user interface features a small window where you can quickly insert the video URL. If PullTube detects that the video is part of the playlist, it will offer to download the entire collection: it will sequentially receive the data for each recording and processing of the download.
Upload videos to YouTube, posted or Vimeo for different sizes and output formats
PullTube will begin to sample the video data right away, so you can see the video title, duration and a small sketch. When setting up the download, you can choose the quality of the downloaded products (high, 4K, HD or normal with different resolutions) or choose to export only audio to M4A or MP3 file.
With the help of the PullTube settings panel, you can change the default and default MP3 bitrate location of the download to (320kbps, 256kbps, 128kbps, 64kbps) in. You can also add quality information with the name of the video file and choose to exit the application when all downloads are complete.
Features:
- Supports Youtube, Vimeo, Facebook, Dailymotion, Instagram, Youku and IQY.
- More platforms to be added upon user requests.
- PullTube allows you to download video in any format available
- Convert and save videos to mand m4a
- Nice looking, dark user interface
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Requirements: MacOS X 10.11 or later 64-bit
PullTube 1.4 MacOS – (63.5 Mb)
HomeConstruction
BY Greg Cardinal
Elevator Push / Pull Tube Modification
Pietenpol plans actuate the elevator through a system of cables and pulleys from the rear control stick to the elevator walking-beam located in the aft fuselage. The routing of these cables goes around pulleys in the cockpit, under the pilot's seat and around the seat support structure acting as a fairlead where they make their upward turn to the walking-beam.
Modern builders usually have these cables making their upward turn around pulleys mounted under the pilot's seat instead of using the wooden cross member as the fairlead.
Another option is to build a push / pull tube arrangement from the aft control stick to the walking-beam instead of cables and pulleys. I would like to take a moment and say that there is nothing wrong with the pulleys and cables arrangement. Lots of builders choose this method and it works great. The push / pull tube arrangement is just an option, not necessarily an 'improvement'.
In the mid 90's I was attending one of my first Brodhead reunions and was looking over a beautiful red and cream Pietenpol.The owner had a push / pull tube arrangement in the cockpit and I liked how it looked so my building partner, Dale Johnson, and I decided we would build something similar.
Pull Tube 1 3 42 Inch
The connection between the front and the rear control sticks remains unchanged. From the rear control stick to the walking beam we installed 1/2 X .035 4130 tubing with rod end bearings on the tube ends for smooth actuation.
The distance from the control stick to the walking beam is relatively long for a 1/2' tube to travel unsupported when under compression. The tube also must change direction aft of the pilot's seat to connect with the walking beam. To satisfy both of these needs we use a system of two push / pull tubes connected end-to-end and install a pivot assembly where the tubes meet. This pivot assembly is located just aft of the pilot's seat where the tube direction changes and allows articulated movement between the two push / pull tubes.
Pull Tube 1 3 42 Mm
The pivot assembly is not under a lot of stress so it can be built light. We used 3/8 X .035 tubing, supported laterally on bearings identical to the walking beam bearings. The bearings are mounted on the vertical wood frame members that also support the pilot's seat back. A triangulated arm is welded to the lateral tube. The apex of this triangulated arm is the common attach point for both of the push / pull tubes.
The rod end bearings we used are aircraft rated Heim HME-4M. Female threaded collars are welded into the ends of the 1/2' tubing to attach the male-threaded rod-bearings. Lock nuts are installed at each rod end bearing. Use the larger AN970 washers on the outside of all rod ends during assembly. This is a safety consideration and will maintain control system integrity in case a ball pops out of a rod end.
A final consideration is control geometry.The plans show a distance of 6 ½' from the point where the control stick mounts to the torque tube (its rotational axis) to the point where the elevator cables attach. The distance between the rotational axisofthewalkingbeamanditscableattachpoints is 37/8'. This ratio of 1.7 / 1 must be maintained with the push / pull tube attach points if you want to retain the pitch control geometry as designed by Mr. Pietenpol. On NX18235 the push / pull tube is mounted 3 ½' above the torque tube. This coincides with the mounting location of the tube connecting the forward and aft control stick. A single bolt can then be used to attach the connecting tube and the push / pull tube at the aft control stick. It also mounts the push / pull tube low enough on the stick to clear the pilots seat. The mounting point on the walking beam is (3.5 / 1.7 = 2.0) 2' below its rotational axis.
I purposely haven't given dimensions of the pivot assembly or the push / pull tube lengths. This is because no two Pietenpols are built alike and you'll have to build your assemblies to fit your own airframe.
See: Pivot Arm.PDF Pivot Arm Detail.PDFPush Pull Tube.PDF
