https://www.blakeostmanengineering.com/about daily 0.75 2024-01-08 https://www.blakeostmanengineering.com/home daily 1.0 2024-02-12 https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1627498244456-Q880YKRV6NFWWVWAUBQB/IMG_20210721_170225665.jpg Home https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/031c743d-563a-4757-b9c0-1e848eb21fcf/resume+12.14.2023.png Home https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1702682586974-FPKGKYOICPWOXOHATF1T/IMG_20231203_164837570.jpg Home https://www.blakeostmanengineering.com/liquid-rocket-engine daily 0.75 2022-12-06 https://www.blakeostmanengineering.com/liquid-rocket-engine/injector monthly 0.5 2021-07-29 https://www.blakeostmanengineering.com/liquid-rocket-engine/project-two-j7aj8 monthly 0.5 2021-07-20 https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1626889370293-UFMCGR68W5IIF99G9KIU/Compression+Ratio+Equation.PNG Liquid Rocket Engine - Centrifugal Compressor - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1626886804451-FGYK486P7HWYJMLUUHL9/Compressor+Shaft+Power+Equation.PNG Liquid Rocket Engine - Centrifugal Compressor - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/ee921963-b3ce-40e8-91bf-7317ce8d5653/IMG_20210706_195822763.jpg Liquid Rocket Engine - Centrifugal Compressor A frontal view of the inlet https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/517bb19b-5a30-4963-9d44-bfe4ae4e5425/IMG_20210706_195830761.jpg Liquid Rocket Engine - Centrifugal Compressor A rear view of the housing, including the motor mount https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/07c8cc13-8f2f-4837-9561-4717c70b2408/IMG_20210602_223907850.jpg Liquid Rocket Engine - Centrifugal Compressor Two versions of the impeller, one with inducer vanes and one without. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/3f84ba65-f54a-4c43-9086-d1e7d490de65/IMG_20210706_195910327.jpg Liquid Rocket Engine - Centrifugal Compressor A view of the impeller and housing with the lid removed (outlet is visible) https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/19fbc510-db37-4c1a-a409-e89f758e8e63/IMG_20210706_195929618.jpg Liquid Rocket Engine - Centrifugal Compressor The impeller, including inducer vanes https://www.blakeostmanengineering.com/liquid-rocket-engine/project-one-5an6j monthly 0.5 2021-07-27 https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1626761040830-G8XC47QTF0RLVOJ1CSWQ/IMG_20210706_200011714.jpg Liquid Rocket Engine - Cold Gas Thruster Nozzles - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1626758829315-T3T72JVYRM5DZEGG1FN4/Throat+Area+Equation.PNG Liquid Rocket Engine - Cold Gas Thruster Nozzles - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/8fc90724-ff43-4dad-814d-4253fbe197df/SectionConv.PNG Liquid Rocket Engine - Cold Gas Thruster Nozzles Converging Only https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/3be458bc-6bb8-4bd7-b822-ddb14ecf558f/SectionCDPerfect.PNG Liquid Rocket Engine - Cold Gas Thruster Nozzles Converging-Diverging, Perfect Expansion https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/9272c99f-f81d-4728-b047-dd93cbedff11/SectionCDOverexpanded.PNG Liquid Rocket Engine - Cold Gas Thruster Nozzles Converging-Diverging, Over Expanded https://www.blakeostmanengineering.com/liquid-rocket-engine/backyard-aluminum-casting-foundry monthly 0.5 2021-07-29 https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/e60f67a9-3119-44f3-9975-b422ff48cb14/IMG_20210502_141725909.jpg Liquid Rocket Engine - Backyard Aluminum Casting Foundry The results of a single walled PLA master. I poured the molten aluminum directly into this shell, and it mostly failed to melt and displace the PLA. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/4ada3b97-5601-40c0-997e-3ca2465a0185/IMG_20210502_141734005.jpg Liquid Rocket Engine - Backyard Aluminum Casting Foundry Another view of the results of the "lost" PLA method. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/3eacd648-d864-4f2c-ba31-e544c908778f/IMG_20210502_141751895_HDR.jpg Liquid Rocket Engine - Backyard Aluminum Casting Foundry https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/9d56f5da-95be-4626-a988-da52f2e17593/IMG_20210502_143221784.jpg Liquid Rocket Engine - Backyard Aluminum Casting Foundry A view of the removed aluminum from the above photos. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/98be56b9-cbee-4bbd-b002-3be3c45be4ac/IMG_20210502_153630387.jpg Liquid Rocket Engine - Backyard Aluminum Casting Foundry The cast next to a larger 3D printed version for comparison. You can see there is very little detail shown in the cast and most features are warped. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/91d1a11f-1b2c-40bf-b3b9-2fe00855cd52/IMG_20210502_153614986.jpg Liquid Rocket Engine - Backyard Aluminum Casting Foundry The cast is still recognizable but very low fidelity. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/0f2aec8f-4f5e-4f35-b342-27d6f24c8bd1/IMG_20210505_174505174_HDR.jpg Liquid Rocket Engine - Backyard Aluminum Casting Foundry A cast using a two part sand mold next to the master used to make the mold. Unfortunately I didn't melt enough aluminum before pouring, so the ring isn't complete. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/62e5a95e-51d4-4eae-9584-b7e317d53625/IMG_20210428_165900346_HDR.jpg Liquid Rocket Engine - Backyard Aluminum Casting Foundry A picture of the foundry while the plaster of Paris is drying. The rocks are to keep the plastic bucket in the right spot as it cures. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/f7153248-3697-474d-acef-afcbe46db426/IMG_20210505_174519573_HDR.jpg Liquid Rocket Engine - Backyard Aluminum Casting Foundry The fidelity of this method was pretty decent, with the grooves from the master showing up. Some bubbles are present, however, but overall the result was fairly accurate to the master. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/5c571b08-4b6c-4922-8d20-4e04d59b36bb/IMG_20210430_130850622_HDR.jpg Liquid Rocket Engine - Backyard Aluminum Casting Foundry A view of the foundry in operation. You can see the charcoal embers burning in the middle. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/d1631b0a-7b09-407c-8084-0977f4d4f949/IMG_20210505_174527531_HDR.jpg Liquid Rocket Engine - Backyard Aluminum Casting Foundry A back view of the cast. The surface finish can be seen with minor bubbles. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/42c9f905-4540-4df9-921d-5108efcea4b1/IMG_20210430_130813427.jpg Liquid Rocket Engine - Backyard Aluminum Casting Foundry A view of the setup. The hairdryer can be seen here, as can the steel tube that directs the air into the side of the bucket. https://www.blakeostmanengineering.com/portfolio-1 daily 0.75 2024-01-17 https://www.blakeostmanengineering.com/portfolio-1/project-five-e2x7t monthly 0.5 2022-11-17 https://www.blakeostmanengineering.com/portfolio-1/project-four-pbypm monthly 0.5 2022-11-17 https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1627520511113-OJ1447WTIC973YA7X8SQ/Axon3.jpg Portfolio - AXON SCREW-ON MOUNT - Summary Axon is a company that builds Tasers and body cameras for police departments. I was tasked with coming up with a way to mount the body camera on an officers vest that would not be accidentally shifted or removed in the field. I conducted conceptual design, prototyping and preliminary testing, and DFM (injection molding). Here is a link to the product on Axon’s website: https://my.axon.com/buy/s/product/axon-body-mount-rapidlock-anchor-vertical/01t4y00000ExxJXAAZ?language=en_US Here is another mount that I design to allow the camera to be mounted to GoPro’s mounting system: https://my.axon.com/buy/s/product/axon-body-3-rapidlock-mount-action-camera/01t4y00000ExxgtAAB?language=en_US Mount background Existing camera mounts (magnet/clip on mounts) were prone to detachment in certain situations The cameras are fairly expensive, so a more robust design was needed for some cases Design Objectives Design a camera mount that cannot be accidentally removed in the field, can be placed in various positions on the officer’s uniform, and is low profile enough to not affect the officers’ movement Constraints Must be small enough to fit in multiple locations of different vests and shirts due to local uniform regulations but large enough to support the weight of the camera without folding the shirt Must withstand enough force to not be pulled off the vest in any direction Must be simple to install with no special tools https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1627520550595-ACH42QMLEC5ELKI4BDK5/Azon2.jpg Portfolio - AXON SCREW-ON MOUNT - Approach Conceptually design some rough solutions until one satisfies the constraints 3D print the parts and test pull strength in all directions Adapt the design of the parts to be injection moldable Review tool schematics from injection molding vendor Results 3000 units manufactured and sent to Australia to the Victoria Police Department for a beta test Lessons Learned Responsibility for a design throughout the design process How manufacturing techniques affect the final design Balancing autonomy with communication of progress, results, and problems https://www.blakeostmanengineering.com/portfolio-1/project-three-4d73l monthly 0.5 2022-11-17 https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1627512309921-UPPEENDXDFLTFMHQ7LJK/OpenRocket.PNG Portfolio - AEROSPACE NU AIRFRAME DEVELOPMENT LEAD - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1627512917609-67I8YA8SKJ6EHMQK2UHG/Aero1.jpg Portfolio - AEROSPACE NU AIRFRAME DEVELOPMENT LEAD •Designed transparent section to house two 360° cameras as well as a battery and GPS •Rocket was designed with a custom parachute release system that would allow for more consistent deployment of the main parachute at a certain altitude while maintaining the compact nature of having both drogue and main parachutes in the same cavity •A modular fin system allowed for both sturdier construction of fins at higher velocities and temperatures as well as easier replacement of fin geometries depending on the motor being used https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1627521758592-X879J937JD9FY96OLKDD/IMG_20200208_173102736.jpg Portfolio - AEROSPACE NU AIRFRAME DEVELOPMENT LEAD A view of the thrust plate and fins on the rear of the rocket after lawn darting itself into the ground from about 8000 ft. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1627513052336-BFU2GKI749LL0HGKHUGU/Transparent+Section2.PNG Portfolio - AEROSPACE NU AIRFRAME DEVELOPMENT LEAD - Transparent Section Design: Transparent section housed two 360° cameras and a GPS due to the carbon fiber body not being suitable for live data transmission from the GPS Connects the nosecone with a screw on attachment to allow for maintenance of the pitot tube assembly housed within Aft aluminum bulkhead acts as a parachute attachment point, as the rocket separates there Threaded rods take thrust and drag loads to prevent acrylic housing from cracking https://www.blakeostmanengineering.com/portfolio-1/project-two-j5cmp monthly 0.5 2022-11-17 https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1627507027794-XF47L66I1SR5Z8145AOD/CapstonePoster.PNG Portfolio - FSAE MOTOR COOLING SYSTEM AND TEST CART - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1627507703868-H7BH7V325DKALHHQS5Z4/Picture4.png Portfolio - FSAE MOTOR COOLING SYSTEM AND TEST CART - Make it stand out A 3D modeled representation of the radiator’s desired placement on the then-existing chassis. Additional components such as the pump would be located under the radiator. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1627507623977-ZNCZ1BX8ADMBVBBRMYZY/Picture1.png Portfolio - FSAE MOTOR COOLING SYSTEM AND TEST CART - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1627507794913-5V8X9Z7TK80CFD5I6KKT/Picture3.png Portfolio - FSAE MOTOR COOLING SYSTEM AND TEST CART - Make it stand out Two pressure gauges (left), a flow meter (right), and two thermocouples (hidden) were utilized to track the data of each test across its duration. This was done by manually checking the pressure gauges (which did not change significantly over the course of the test) and collecting temperature over time data using the SensorDAQ (upper right). A typical computer power supply was used to provide the required power for both the pump and the fan on the radiator. https://www.blakeostmanengineering.com/portfolio-1/contaminant-tolerant-scroll-vacuum-pump monthly 0.5 2022-11-17 https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/372503e7-29cd-46a9-b821-9c39d8783530/scrolls.jpg https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/f27d6c4a-a9f4-4887-b44e-6756183e66e9/scroll+compressor+animation.gif https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/382789c4-03bf-4d6f-acd0-bf9a1e8a4344/carbothermal+reduction.jpg https://www.blakeostmanengineering.com/portfolio-1/project-one-b36xb monthly 0.5 2022-11-17 https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/380ee04b-13fe-426a-a379-7149ed9b2de4/IMG_20210721_170225665.jpg Portfolio - BREWBIRD COFFEE BEAN DOSING FIXTURE A view of the prototype machine as it stands in the warehouse. The hopper adapter is the white piece the hopper sits on, and the top sliding plate is attached to the top red handle (both of these are pictured below as CAD screenshots). The trash bag and bin are there to catch any extra beans that fall during the process. They also help with emptying the machine when a run of beans is completed. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/3d726188-e194-4dc5-b9af-247ce3c51de2/IMG_20210721_170313514.jpg Portfolio - BREWBIRD COFFEE BEAN DOSING FIXTURE A view of the closed position of the removable tray. Note the support on the left side of each hole. The tray is moved from beneath the machine to a separate system that seals lids on each of the pods. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/8a629757-0d4d-4e15-b42f-cdfcc8467d34/IMG_20210721_170324355.jpg Portfolio - BREWBIRD COFFEE BEAN DOSING FIXTURE A view of the open position of the removable tray. The front tabs are connected to a plate that moves the supports on the left side of the holes. When the tabs are moved, the supports move with them, allowing the simultaneous release of all 15 pods into the lid sealing machine. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/bec8e3de-e2d1-455c-8ec2-dab1ac4fbd27/IMG_20211219_114648867.jpg Portfolio - BREWBIRD COFFEE BEAN DOSING FIXTURE The second version of the machine, including drastically less parts, pneumatic cylinders for automatically sliding the plates in and out, as well as some ergonomic improvements, such as rounded edges and reduced height. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/76979c2d-ce52-44ec-bc4d-ed3c960f2a87/IMG_20211219_120649589.jpg Portfolio - BREWBIRD COFFEE BEAN DOSING FIXTURE Shown here are the telescoping tubes that determine the amount of beans that go into each pod. A lead screw on each side (not show) determine the depth at which the metal tubes sit in the respective plastic part. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/94e383eb-6f7d-4d2a-b64d-14e321534f72/IMG_20211219_115115908.jpg Portfolio - BREWBIRD COFFEE BEAN DOSING FIXTURE The pneumatic cylinders and linear bearings allow for smooth, automatic movement of the plates required to measure and release the beans. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/49545e32-d5e2-4992-b2e1-ecd5e599a3b7/IMG_20211219_114733902.jpg Portfolio - BREWBIRD COFFEE BEAN DOSING FIXTURE Both machines next to each other for comparison. Note the height and part number reduction. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1627503846769-DQPZATF8W1IX53Q17QJV/Hopper+Adapter+V1.PNG Portfolio - BREWBIRD COFFEE BEAN DOSING FIXTURE CAD of the part situated below the hopper in the first design. While functional, the small diameter holes made for slow cycle times as the vibratory motor slowly unjammed the beans. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1627503890117-AWD3HSOZ9VQ2MRE46MF1/Top+Sliding+Plate.PNG Portfolio - BREWBIRD COFFEE BEAN DOSING FIXTURE CAD of the top separation plate in the first prototype. The slots reduced the contact the beans had with the surrounding stationary plates, reducing the amount of force necessary to move the plate and cycle the machine. https://www.blakeostmanengineering.com/personal-projects daily 0.75 2024-01-08 https://www.blakeostmanengineering.com/personal-projects/backyard-aluminum-casting monthly 0.5 2023-12-15 https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/fc4071c6-1126-4a36-8896-a955b6c86e17/IMG_20231203_164837570.jpg Personal Projects - Backyard Aluminum Casting The foundry in action. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/9e43bae4-ced1-4431-9e2d-5509bee79b21/IMG_20231203_161148146_HDR.jpg Personal Projects - Backyard Aluminum Casting The foundry before ignition. The propane tank is set a safe distance away, and a regulator maintains a safe flow of gas to the foundry. The torch maintains a balance of air and propane, and the fire bricks and kaowool keep the steel bucket from melting or damaging its surroundings. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/3100274a-f7f7-471d-b673-75b90d6a1870/IMG_20231203_161138060.jpg Personal Projects - Backyard Aluminum Casting A close up of the insulation and crucible inside the bucket. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/9571e0bd-6601-4ca5-abe2-96bf7ca36feb/IMG_20231207_113719695.jpg Personal Projects - Backyard Aluminum Casting The raw cast including the sprue and riser that ensure good flow into and out of the part to prevent cavities. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/2086b7fc-e1bc-4809-96c7-b92417e6524e/IMG_20231207_124634689_HDR.jpg Personal Projects - Backyard Aluminum Casting The 3D printed master. Note the casting sand in the cracks of the design. A better mold release or mold material will be needed going forward to capture smaller details. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/41a65c06-04dc-41b4-97d1-1712518002dc/IMG_20231209_190607.jpg Personal Projects - Backyard Aluminum Casting The finished product. Note the air bubbles and errors in small details, likely due to poor molding and using 6061 instead of a more pourable alloy such as 356. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1627584125489-NVQLUKF284AE19FM9C6Q/IMG_20210430_130813427.jpg Personal Projects - Backyard Aluminum Casting The older setup. The hairdryer attached to the pipe provides airflow, while the charcoal packed around the crucible provides the fuel. To see more about how this earlier version was built, click the image. https://www.blakeostmanengineering.com/personal-projects/rocket-engine-design monthly 0.5 2023-12-16 https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/3be458bc-6bb8-4bd7-b822-ddb14ecf558f/SectionCDPerfect.PNG Personal Projects - Rocket Engine Design A cross section of the CAD model of one of the nozzles. This one is targeting perfect expansion at sea level. To see a more detailed writeup on how I did those calculations, click the image. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1626761040830-G8XC47QTF0RLVOJ1CSWQ/IMG_20210706_200011714.jpg Personal Projects - Rocket Engine Design The three cold gas thruster nozzles. From left to right, over expanded, perfect expansion, and under expanded. For more details, click the image. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1627498456681-C7CBEZZFJ60C63M7XPKU/IMG_20210706_195940993.jpg Personal Projects - Rocket Engine Design A 3D printed injector from the top, with ports for air and water to test the aerosolization of the liquid and the mixture of the two fluids. For more details, click the image. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1670300464520-KPIZ9MYK7IBMX15A4B5X/IMG_20210706_195945344.jpg Personal Projects - Rocket Engine Design The injector from the bottom, with a spray nozzle for the water in the center and angled holes for the air around it. For more details, click the image. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1626756352765-67JG6GA8NMKLAO47DHSD/IMG_20210706_195806190.jpg Personal Projects - Rocket Engine Design My attempt at a centrifugal compressor that ended up as a blower fan. To see a writeup of what I did to design this, as well as what I quickly found out I would need to do to make this an actual compressor, click the image. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1625631670568-8UD11M81A14HVW2XFCMO/IMG_20210706_195929618.jpg Personal Projects - Rocket Engine Design The blower fan's impeller. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/3f84ba65-f54a-4c43-9086-d1e7d490de65/IMG_20210706_195910327.jpg Personal Projects - Rocket Engine Design The impeller and housing without the inlet housing. https://www.blakeostmanengineering.com/personal-projects/project-three-sng7y-77sss monthly 0.5 2023-12-15 https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1610589085107-H7L3R9LFMSY3YZDKHAR7/candydistribution.jpg Personal Projects - Miscellaneous Projects A semi-automated candy distribution system I built to deliver candy to trick or treaters. A fishing reel is used to descend the candy to the end of the driveway via a zipline after the user interrupts the path of a laser aiming back at the device. Once the candy is delivered, the machine waits for a button input before using the drill to reel in the candy basket. Once the basket is in the original position, the machine resets itself by releasing tension on the line to allow the fishing reel to release again for the next usage. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1610589353530-B5GT7EHHFZICMJ8AB493/ace%2Bof%2Bspades.jpg Personal Projects - Miscellaneous Projects The Ace of Spades from Destiny 2. I 3D printed it on my modded Ender 3 in smaller parts, and then coated it with Bondo and masked and painted it. A layered paint job combined with some light sandpaper application produces a weathering effect. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1610588999598-L01A2B9P0UKBVQ0E6IMD/claptrap.jpg Personal Projects - Miscellaneous Projects Claptrap from the game Borderlands 2. This consists of 4 LED's and a 9V battery housed within the body. This was painted and weathered the same way the Ace of Spades was. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/1611967511367-MVOCX9RLOQG01N4TGK3N/overdrive+pedal.jpg Personal Projects - Miscellaneous Projects A simple overdrive guitar pedal circuit I designed with a volume, gain, and two tone control knobs. https://www.blakeostmanengineering.com/personal-projects/project-two-ky966-rbcxg monthly 0.5 2022-12-07 https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/164fbecf-2e3e-4137-998f-b1de528574ad/IMG_20231214_164310987_HDR.jpg Personal Projects - Automated Hydroponics System The new setup with the Arduino system and a larger reservoir. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/59bbe79d-ee7f-49b5-9e74-231fe435bd4b/IMG_20231214_164329964.jpg Personal Projects - Automated Hydroponics System The Arduino system enclosure houses a 24V power supply for fans and pumps, as well as an Arduino, LCD, and breadboard to connect all the sensors and pumps to the Arduino. This system can measure water/air temp, humidity, nutrient concentration, and pH. A nutrient pump can be turned on if the value gets too low, and fans can be activated if the humidity is too high. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/0ba79e0e-9343-4014-aeda-84ee05ec7a41/IMG_20221229_200315940.jpg Personal Projects - Automated Hydroponics System A close up of the NFT system after roughly 3 weeks of plant growth. The arugula plants in this photo are ready to harvest. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/96cf55ee-eff6-472f-bb5a-e5f5a23c179e/IMG_20221214_201600394.jpg Personal Projects - Automated Hydroponics System The system on the right is insulated with space blankets to keep heat and humidity in when the garage gets too cold. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/25879873-b8a2-4ec0-8421-9e11b89859c8/IMG_20221205_215752971.jpg Personal Projects - Automated Hydroponics System The vertical tower setup. Sage can be seen at the top left, and cilantro and arugula occupy the remaining spaces. Note how the plants closer to stronger light have grown significantly more. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/c013df6b-1200-4188-b134-e00f076fc738/IMG_20221115_194316767.jpg Personal Projects - Automated Hydroponics System Propagation domes for germinating seeds. These consist of a clear plastic lid to retain humidity but allow light through, as well as a heating mat to keep the seedlings at a suitable temperature. https://images.squarespace-cdn.com/content/v1/5fff4d102344f60980bbe5fe/6a1a3676-7415-46d5-9db7-97b0a667fd50/IMG_20221205_215717425.jpg Personal Projects - Automated Hydroponics System The exposed Arduino system, including a nutrient concentration, pH, and temperature readout.