Posts Tagged ‘2017

02
Sep
17

Baked Fermented Wheat

recent baking…

 

 

13
Aug
17

shopping

shopping , prices, img_2782.jpg

09
Aug
17

The Blucave Flashcell Cordless Screwdriver

The Blucave flash cell Driver
https://www.amazon.com/BLUCAVE-DSD-46FL-2BLU-Flashcell-Cordless-Screwdriver/dp/B012CHMW5Y/ref=sr_1_1?ie=UTF8&qid=1502295826&sr=8-1&keywords=blucave+flashcell

No doubt you have probably made the jump to cordless power tools, some advantages and some drawbacks, the freedom from the cord of corded tools, with the requirement to keep battery packs charged and ready.

Another alternative not that often adopted is the super capacitor, this also has advantages and drawbacks.

The Blucave flash cell driver is a light duty type electric screwdriver powered by a super capacitor. The storage of a capacitor is less than a battery by size but has the advantages of rapid charging. The driver will literally recharge by the time you get up and get a cup of coffee and return to the bench.

When using the Blucave driver, plan to keep the charger close by. For light duty applications at the bench, the Blucave driver is lightweight, supplies enough power for things like disassembly and assembly of small and medium hardware.  When working on other projects like appliance maintenance, bringing the driver and charger to the work location save steps.

Perfect for working on projects like electronics, and other mechanical fasteners that don’t require huge amounts of torque.

The Blucave driver has a hex socket end that accepts bits, sockets and drills. The Blucave driver is supplied with a small assortment of bits , I purchased an addition set of drill bits with the hex end to use with the driver. With a quarter inch square adapter,  🔨 half 🔨  🙂  quarter inch drive socket sets can be used with the driver. If you already have assorted bits, like hex, security, and torx drivers the Blucave will drive all of them.

The handle rotates and locks either in a gun or straighter position with a one button lock and also forward and reverse buttons.
The supplied charger base is large enough to hold the driver and has a space for holding frequently used bits for easy access.
A row of colored LEDs indicates charging status.

This driver also comes with a zipper case, and an LED flashlight head that attaches to the end of the handle where the charging contacts are. The flashlight attachment has an additional single LED that faces in the opposite direction.

Not having to worry about keeping cordless driver’s batteries charged, the lightweight of the driver, quick charge turnaround, and having it on the bench ready to go solves a lot of problems.

with attached flashlight head

forward facing LED

supplied case

LED charging indicators

supplied bits and adapter

30
Jul
17

Green Chili Tomato Jam

Adapted from blog Cooking without Limits

Substituted a few ingredients for a savory chili sauce\ jam.

Rough measurements, and by taste to get a sweet\sour taste.

Very  good use for tomato and hot peppers.

———————————————————————————————————————————-

Green jalapeno peppers with seeds…  about 125 grams, processed in a food processor

white sugar……. 68 grams

apple cider vinegar …. about 51 ml

bottled lemon juice and peeled processed orange  combination ….. 2 tablespoons more or less

Tomatoes, cherry/grape type  is what I have harvested recently.

Pour the vinegar, sugar, orange and lemon juice in a pan

boil for 5 minutes, add the hot  peppers, Add tomato (amount by eye) to achieve and desired consistency.

Cook on low heat to thicken, adjust measurements if necessary, place in jar, cool and refrigerate.

Due to the size of the tomatoes, the sauce has a high concentration of seeds versus pulp. A good condiment to have on hand not only for toast etc. but a cooking ingredient for sauces and marinades.

 

 

 

 

 

 

 

28
Jul
17

Drone restoration

One of the drones I purchased on Ebay for repair the Spyder XL, had a smaller drone included a Zero Gravity X1- HD  , no remote just the drone.

The other drone that needed repair is a Protocol AR Video Drone: Upright motor,  gear reduction setup, main shaft gears have a keyed hex projection on top for propeller attachment. 1 s battery power. Standard video and still image camera with on board memory card.

Basically, I used the gears from the  Zero Gravity X1- HD and swapped them to the Protocol AR video drone also purchased from Ebay for repair. I had been searching for replacement parts for the Protocol because they were stripped, but no luck. I thought of swapping the entire flight controller from the Protocol to the other drone that had a good gear  train but swapped the gears instead , the  gears were almost a perfect replacement, I had to slightly drill out the bore of the propeller gears with a small drill just holding the drill by a pair of pliers as the Protocol drone main shafts were about .2mm diameter larger. The main shaft is slightly knurled. The gears are press fit to both the motors and the main shaft.

IMG_1971

IMG_1979

IMG_2208Gears swapped and installed…. Some big hairy capacitors on board..

IMG_2681

Ready for flight testing, propellers from the Zero Gravity drone also swapped to the protocol.

IMG_2682

 

Propeller guards installed.

Revving motors for testing.

IMG_2683

At first it didn’t seem to fly as well as it should, now, the original propellers were installed and notice the slight difference in width and pitch . Just this slight  difference made the  performance much better.

IMG_2684

This has altitude control, more stable in  flight, camera and 4 gig video card for photo and video. I bored a hole on the cover for the antenna and marked the counter clock wise propellers and front with a paint pen. A sharp looking drone in  flat black and gold. The LEDs are not as visible as other drones, a bit visible from the motors and more visible from the underside.

Once the fascination  of steadily flying the drone wears off you tend to want to race it through the house. Testing other functions and camera.

Protocol Video AP Drone For Parts Or Repair Ebay, $20.00 shipping $6.61

IMG_1985

Update : after much flying and racing through the house, the drone got hung up and one of the motors no longer gives enough power for stable flight. Replacements on order.

Also the listings on motors for replacements from websites, are providing more detail as far as voltage, current and rpm. So with the proper test equipment, measurements can be taken to troubleshoot problems.

 

What do do if you can’t fly?

tweaking settings on this simulator and using the 4 channel transmitter from the Multi wii, more on this on a later post.

24
Jul
17

Multicopters repair and comments

canvas

The Spyder XL was another Ebay purchase, after checking out the multicopter, the propellers are attached to the main shafts by tiny screws, some of them either shear off or strip out so the propellers can’t be attached or they slip. This may be a feature so that the motors won’t stall and be damaged.  The replacement/repair was propeller adapters and modification of the spare props I had on hand. The propellers adapters  had to have spacers (grommets) put on the main shafts or the bearings would ride up the main shaft when in use. A quick modification of the original Spyder XL  propellers was required so they would be a thru hole mount on the propellers adapters.

IMG_2152

 

Another modification was cutting the main shafts so they didn’t require spacers. Later ,I found and purchased suitable replacement shafts online and replaced all four of them. The propeller guards supplied with the drone were also attached but were flimsy, testing the drone indoors and practicing my flying skills bent and damaged the guards. This drone has quit a bit of power, the most powerful one that I have flown. 2S batteries power this quad.

The main shaft replacements I found online were the correct length but the gears did not match the originals as there is not a specific replacement listing for all the parts for a Spyder XL.  If you do repair work this is common as some drone manufacturers don’t  provide the specifications or continue to supply replacements. (this could be a consideration for 3d printing if you have the resources.) Metal tubing could be sourced or machined for replacement.  Other items to have on hand are the tiny screws that many manufacturers  use for assembly. Various sizes and kits can be purchased in bulk inexpensively from online sources.

 

IMG_2153

One of the features of the Spyder XL is the sequential lighting LEDs on the struts when activated, when battery is low they solid flash without sequence.

IMG_2154

 

Finally, the new props were installed, it’s of course possible to purchase different sizes and colors of propellers.

Again , indoors this is a monster quad to control but can be fairly stable, it’s responsive and kicks up quite a lot of thrust and noise so any paperwork lying around will be blown away if you hover around a table or desk. Without the prop guards, use caution , I’ve replaced the screws that secure the gears to the main shaft ,the motors are powerful enough to shear them if not completely  secure and applying slightly larger and longer screws make for a good power transfer. The life of the motors are uncertain, now one of them crapped out and all four will be replaced. Another solution that others have used is the use of foldable  propellers so the motors and gear train  sustain less damage if they contact anything. I like flying drones without too much automatic  control, although at times they can be unstable and a temperamental sort. More of a challenge at times.  Way up the ladder is GPS, more stability, geofencing etc with the higher priced drones.

The auto launch button on the transmitter works well, but indoors will rise and contact the ceiling if not aborted. Some  of the feedback is delayed from  the control sticks.

More flight time and repairs are required.

Just like other forms of technology, quads and any other types of drones can be a consuming hobby. Some terminology is appearing like drone addiction, drone phobia and the like. Yes folks it’s all over again, less time playing video games, being on the internet, and now drone flying !  “Johnny be good or I won’t let you fly your drone!”

Happy Flying , I’m with ya ! Remember some days you have to RTH !

Next: another restoration or hack ?

 

 

23
Jul
17

shopping




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