File:Aerotech J450 launch.jpg
Original file (4,480 × 4,923 pixels, file size: 2.54 MB, MIME type: image/jpeg)
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Summary
[edit]DescriptionAerotech J450 launch.jpg |
English: Testing the limits of a MakerBot 3D-PLA-Print, at 500MPH, on a high-power: I designed a 6"x9" bowtie fin-can assembly, lathered it in high-temp epoxy, and launched it on an Aerotech J450 Skidmark at October Skies. Here is a video compilation. So cool to see the fire through the fin can.... plenty of airflow to keep it going. The holes in the fins add torsional strength and minimize build material and weight.
This was an experiment at the physical limits of what a MakerBot Replicator can print, a 6x9" bowtie fin can on a 4"-diameter airframe, lathered in high-temp epoxy. She had her maiden flight on an Aerotech J450 Skidmark, and the fin can survived the ascent wonderfully (from on-rocket camera). There was a bit of pitch-yaw-roll coupling at speed perhaps from the asymmetry and strap-on video cam. Unfortunately, I did not have enough BP to deploy the parachute, and she came back to Earth horizontally, without any spin, perhaps a bonus for the bowtie design. While the fins shattered on landing, I can make a replacement print easily overnight. The Rocket POV video camera attached to the rocket with a sturdy zip-tie, thanks to a 3D-printed camera sled by Jamie Claye. Worked great all weekend... even on my second flight, where I overcompensated by adding too much BP, and instead of popping the chute delicately at apogee, it exploded outward and ripped the airframe in half.... great video to come! |
Date | |
Source | https://www.flickr.com/photos/jurvetson/45600325931/ |
Author | Steve Jurvetson |
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This image was originally posted to Flickr by jurvetson at https://flickr.com/photos/44124348109@N01/45600325931. It was reviewed on 16 November 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
16 November 2021
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current | 09:07, 16 November 2021 | 4,480 × 4,923 (2.54 MB) | Sv1xv (talk | contribs) | Uploaded a work by Steve Jurvetson from https://www.flickr.com/photos/jurvetson/45600325931/ with UploadWizard |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | Canon |
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Camera model | Canon EOS 5D Mark IV |
Exposure time | 1/3,200 sec (0.0003125) |
F-number | f/6.3 |
ISO speed rating | 640 |
Date and time of data generation | 12:47, 20 October 2018 |
Lens focal length | 260 mm |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
File change date and time | 12:47, 20 October 2018 |
Exposure Program | Shutter priority |
Exif version | 2.3 |
Date and time of digitizing | 12:47, 20 October 2018 |
Meaning of each component |
|
APEX shutter speed | 11.625 |
APEX aperture | 5.375 |
APEX exposure bias | 0 |
Maximum land aperture | 5.417022232203 APEX (f/6.54) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 00 |
DateTimeOriginal subseconds | 00 |
DateTimeDigitized subseconds | 00 |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 5,719.1489361702 |
Focal plane Y resolution | 5,728.9 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |
Lens used | Canon EF 100-400mm f/4.5-5.6L IS USM |
Rating (out of 5) | 0 |
IIM version | 2 |