From: Svjatoslav Agejenko Date: Sun, 3 Jan 2021 20:45:32 +0000 (+0200) Subject: Documented gyro stabilizer for binoculars. X-Git-Url: http://www2.svjatoslav.eu/gitweb/?p=physical.git;a=commitdiff_plain;h=174f6be644402a08f412b800de454c9b2da496c9 Documented gyro stabilizer for binoculars. --- diff --git a/optics/gyro for binoculars/.thumbnails/binocular mount (5470FA5E).jpeg b/optics/gyro for binoculars/.thumbnails/binocular mount (5470FA5E).jpeg deleted file mode 100644 index 8093345..0000000 Binary files a/optics/gyro for binoculars/.thumbnails/binocular mount (5470FA5E).jpeg and /dev/null differ diff --git a/optics/gyro for binoculars/.thumbnails/bottom cover (46C5509).jpeg b/optics/gyro for binoculars/.thumbnails/bottom cover (46C5509).jpeg deleted file mode 100644 index 986a191..0000000 Binary files a/optics/gyro for binoculars/.thumbnails/bottom cover (46C5509).jpeg and /dev/null differ diff --git a/optics/gyro for binoculars/.thumbnails/disk mount top ring (5145D798).jpeg b/optics/gyro for binoculars/.thumbnails/disk mount top ring (5145D798).jpeg deleted file mode 100644 index e1a5974..0000000 Binary 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--git a/optics/gyro for binoculars/.thumbnails/metadata_6.dat b/optics/gyro for binoculars/.thumbnails/metadata_6.dat deleted file mode 100644 index 582731a..0000000 Binary files a/optics/gyro for binoculars/.thumbnails/metadata_6.dat and /dev/null differ diff --git a/optics/gyro for binoculars/.thumbnails/top cover (4D38AF67).jpeg b/optics/gyro for binoculars/.thumbnails/top cover (4D38AF67).jpeg deleted file mode 100644 index f7ac59c..0000000 Binary files a/optics/gyro for binoculars/.thumbnails/top cover (4D38AF67).jpeg and /dev/null differ diff --git a/optics/gyro for binoculars/disk momunt.FCStd b/optics/gyro for binoculars/disk momunt.FCStd deleted file mode 100644 index ceaf9c2..0000000 Binary files a/optics/gyro for binoculars/disk momunt.FCStd and /dev/null differ diff --git a/optics/gyro for binoculars/disk mount.FCStd b/optics/gyro for binoculars/disk mount.FCStd new file mode 100644 index 0000000..ceaf9c2 Binary files /dev/null and b/optics/gyro for binoculars/disk mount.FCStd differ diff --git a/optics/gyro for binoculars/index.html b/optics/gyro for binoculars/index.html index 9184905..35042ec 100644 --- a/optics/gyro for binoculars/index.html +++ b/optics/gyro for binoculars/index.html @@ -1,67 +1,446 @@ - - - - - - - - -

Gallery

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- - - -

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-binocular mount
(1207x822) -
binocular mount.stl -  (1013 KiB)

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body.FCStd -  (640 KiB)

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-bottom cover
(889x720) -
bottom cover.stl -  (1289 KiB)

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disk momunt.FCStd -  (38 KiB)

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-disk mount body
(515x431) -
disk mount body.stl -  (1255 KiB)

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-disk mount top ring
(818x565) -
disk mount top ring.stl -  (49 KiB)

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-main body, 1
(807x652) -
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-main body, 2
(880x649) -
main body.stl -  (1023 KiB)

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-make, 1
(885x740) -
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-make, 2
(839x642) -
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-make, 3
(1311x1023, 655x511) -
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-make, 4
(969x1050, 484x525) -
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-make
(1008x1008, 504x504) -
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-top cover
(827x705) -
top cover.stl -  (1351 KiB)

- + + + +Gyroscope stabilizer for binoculars + + + + + + + + + + + + + +
+

Gyroscope stabilizer for binoculars

+ +
+

1 General

+
+ +
+
+ +
+

2 Project description

+
+ +
+

make.png +

+
+ +

+Problem with powerful binoculars is that they are almost unusable +without tripod. High zoom factor also amplifies hand shakes. +

+ +

+Tripod is not convenient to carry around. Here is an attempt to design +portable gyro stabilizer that has camera tripod interface. Therefore +cameras and binoculars can be mounted. +

+ + + +
+

make,%202.png +

+
+ + +

+Old computer hard disk platters are used as rotating discs. They are +attached to following disk mount: +

+ + +
+

disk%20mount%20body.png +

+
+ +

+Download: +

+ + +

+Disk platters are fixed to disk mount using glued tightly fitting top +ring: +

+ + +
+

disk%20mount%20top%20ring.png +

+
+ +

+Download: +

+ + +

+Discs are rotated by electric motor. Motor is cooled by electric fan. +Motor and fan are powered by 12V that is generated by 3 voltage upstep +converters running in parallel. +

+ + +
+

schematic.png +

+
+ +

+Body: +make,%201.png +

+ +

+FreeCAD model of the main body: +

+ + +
+

main%20body,%201.png +

+
+ + +
+

main%20body,%202.png +

+
+ +

+Download: +

+ + +

+Rotating discs are covered and protected by top cover: +

+ + +
+

top%20cover.png +

+
+ +

+Bottom part of the main body has cover: +

+ + +
+

bottom%20cover.png +

+
+ +

+Download: +

+ + +

+Camera/binoculars can be mounted on dedicated holder that is screwed +on top of the cover: +

+ + +
+

binocular%20mount.png +

+
+ +

+Download: +

+ + + +

+Result: +

+ + +
+

make,%203.png +

+
+ + +
+

make,%204.png +

+
+
+
+ +
+

3 Conclusion

+
+

+Around half of the stabilizing effect already comes from extra weight +that is added to binoculars by device itself. Rotating platters +contribute also about as much. I had only 2 platters. I'm +contemplating finding more weight to rotate, or even try with old +CD/DVD disks. +

+ +

+Unfortunately symmetry is not perfect and small high frequency +vibration is added because of that. +

+
+
+
+
+ + + diff --git a/optics/gyro for binoculars/index.org b/optics/gyro for binoculars/index.org new file mode 100644 index 0000000..2158cd2 --- /dev/null +++ b/optics/gyro for binoculars/index.org @@ -0,0 +1,116 @@ +#+TITLE: Gyroscope stabilizer for binoculars +#+AUTHOR: Svjatoslav Agejenko +#+LANGUAGE: en +#+MACRO: imglnk @@html:
@@ + +* (document settings) :noexport: +** use dark style for TWBS-HTML exporter +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: + +* General ++ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE + COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE + DESIGNS AT YOUR OWN RISK. + ++ This design is released under Creative Commons Zero (CC0) license. + ++ Author: + - Svjatoslav Agejenko + - Homepage: https://svjatoslav.eu + - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]] + ++ See also: + - [[../../index.html][Other physical projects in this repository]] + - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]] + +* Project description +[[file:make.png]] + +Problem with powerful binoculars is that they are almost unusable +without tripod. High zoom factor also amplifies hand shakes. + +Tripod is not convenient to carry around. Here is an attempt to design +portable gyro stabilizer that has camera tripod interface. Therefore +cameras and binoculars can be mounted. + + +[[file:make,%202.png]] + + +Old computer hard disk platters are used as rotating discs. They are +attached to following disk mount: + +[[file:disk%20mount%20body.png]] + +Download: +- [[file:disk%20mount.FCStd][Editable FreeCAD project]] +- [[file:disk%20mount%20body.stl][Printable STL file]] + +Disk platters are fixed to disk mount using glued tightly fitting top +ring: + +[[file:disk%20mount%20top%20ring.png]] + +Download: +- [[file:disk%20mount%20top%20ring.stl][Printable STL file]] + +Discs are rotated by electric motor. Motor is cooled by electric fan. +Motor and fan are powered by 12V that is generated by 3 voltage upstep +converters running in parallel. + +[[file:schematic.png]] + +Body: +[[file:make,%201.png]] + +FreeCAD model of the main body: + +[[file:main%20body,%201.png]] + +[[file:main%20body,%202.png]] + +Download: +- [[file:body.FCStd][Editable FreeCAD file]] +- [[file:main%20body.stl][Printable STL file]] + +Rotating discs are covered and protected by top cover: + +[[file:top%20cover.png]] + +Bottom part of the main body has cover: + +[[file:bottom%20cover.png]] + +Download: +- [[file:bottom%20cover.stl][Printable STL file]] + +Camera/binoculars can be mounted on dedicated holder that is screwed +on top of the cover: + +[[file:binocular%20mount.png]] + +Download: +- [[file:binocular%20mount.stl][Printable STL file]] + + +Result: + +[[file:make,%203.png]] + +[[file:make,%204.png]] + +* Conclusion +Around half of the stabilizing effect already comes from extra weight +that is added to binoculars by device itself. Rotating platters +contribute also about as much. I had only 2 platters. I'm +contemplating finding more weight to rotate, or even try with old +CD/DVD disks. + +Unfortunately symmetry is not perfect and small high frequency +vibration is added because of that. diff --git a/optics/gyro for binoculars/make, 1.png b/optics/gyro for binoculars/make, 1.png index 995fd39..6552ccf 100644 Binary files a/optics/gyro for binoculars/make, 1.png and b/optics/gyro for binoculars/make, 1.png differ diff --git a/optics/gyro for binoculars/make, 2.png b/optics/gyro for binoculars/make, 2.png index 5cc5dc1..0cdf816 100644 Binary files a/optics/gyro for binoculars/make, 2.png and b/optics/gyro for binoculars/make, 2.png differ diff --git a/optics/gyro for binoculars/make, 3.png b/optics/gyro for binoculars/make, 3.png index 8de5066..f9ae351 100644 Binary files a/optics/gyro for binoculars/make, 3.png and b/optics/gyro for binoculars/make, 3.png differ diff --git a/optics/gyro for binoculars/make, 4.png b/optics/gyro for binoculars/make, 4.png index e5cdcca..ed0a19c 100644 Binary files a/optics/gyro for binoculars/make, 4.png and b/optics/gyro for binoculars/make, 4.png differ diff --git a/optics/gyro for binoculars/make.png b/optics/gyro for binoculars/make.png index d2d944e..a454cd9 100644 Binary files a/optics/gyro for binoculars/make.png and b/optics/gyro for binoculars/make.png differ diff --git a/optics/gyro for binoculars/schematic-cache.lib b/optics/gyro for binoculars/schematic-cache.lib new file mode 100644 index 0000000..e0b23db --- /dev/null +++ b/optics/gyro for binoculars/schematic-cache.lib @@ -0,0 +1,164 @@ +EESchema-LIBRARY Version 2.4 +#encoding utf-8 +# +# Device_Battery +# +DEF Device_Battery BT 0 0 N N 1 F N +F0 "BT" 100 100 50 H V L CNN +F1 "Device_Battery" 100 0 50 H V L CNN +F2 "" 0 60 50 V I C CNN +F3 "" 0 60 50 V I C CNN +DRAW +S -80 -55 80 -65 0 1 0 F +S -80 70 80 60 0 1 0 F +S -52 -78 50 -98 0 1 0 F +S -52 47 50 27 0 1 0 F +P 2 0 1 0 0 -60 0 -50 N +P 2 0 1 0 0 -40 0 -30 N +P 2 0 1 0 0 -20 0 -10 N +P 2 0 1 0 0 0 0 10 N +P 2 0 1 0 0 20 0 30 N +P 2 0 1 0 0 70 0 100 N +P 2 0 1 10 10 105 50 105 N +P 2 0 1 10 30 125 30 85 N +X + 1 0 200 100 D 50 50 1 1 P +X - 2 0 -200 100 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_C +# +DEF Device_C C 0 10 N Y 1 F N +F0 "C" 25 100 50 H V L CNN +F1 "Device_C" 25 -100 50 H V L CNN +F2 "" 38 -150 50 H I C CNN +F3 "" 0 0 50 H I C CNN +$FPLIST + C_* +$ENDFPLIST +DRAW +P 2 0 1 20 -80 -30 80 -30 N +P 2 0 1 20 -80 30 80 30 N +X ~ 1 0 150 110 D 50 50 1 1 P +X ~ 2 0 -150 110 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_LED +# +DEF Device_LED D 0 40 N N 1 F N +F0 "D" 0 100 50 H V C CNN +F1 "Device_LED" 0 -100 50 H V C CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +$FPLIST + LED* + LED_SMD:* + LED_THT:* +$ENDFPLIST +DRAW +P 2 0 1 10 -50 -50 -50 50 N +P 2 0 1 0 -50 0 50 0 N +P 4 0 1 10 50 -50 50 50 -50 0 50 -50 N +P 5 0 1 0 -120 -30 -180 -90 -150 -90 -180 -90 -180 -60 N +P 5 0 1 0 -70 -30 -130 -90 -100 -90 -130 -90 -130 -60 N +X K 1 -150 0 100 R 50 50 1 1 P +X A 2 150 0 100 L 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Device_R +# +DEF Device_R R 0 0 N Y 1 F N +F0 "R" 80 0 50 V V C CNN +F1 "Device_R" 0 0 50 V V C CNN +F2 "" -70 0 50 V I C CNN +F3 "" 0 0 50 H I C CNN +$FPLIST + R_* +$ENDFPLIST +DRAW +S -40 -100 40 100 0 1 10 N +X ~ 1 0 150 50 D 50 50 1 1 P +X ~ 2 0 -150 50 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Motor_Fan +# +DEF Motor_Fan M 0 0 Y Y 1 F N +F0 "M" 100 200 50 H V L CNN +F1 "Motor_Fan" 100 -100 50 H V L TNN +F2 "" 0 10 50 H I C CNN +F3 "" 0 10 50 H I C CNN +$FPLIST + PinHeader*P2.54mm* + TerminalBlock* +$ENDFPLIST +DRAW +A -98 94 113 297 -910 0 1 0 N 0 150 -100 -20 +A 0 -70 112 1534 266 0 1 0 N -100 -20 100 -20 +A 103 95 115 -915 1519 0 1 0 N 100 -20 0 150 +C 0 40 128 0 1 10 N +P 2 0 1 0 0 -200 0 -180 N +P 2 0 1 0 0 -88 0 -104 N +P 2 0 1 0 0 168 0 182 N +P 2 0 1 0 0 180 0 200 N +X + 1 0 300 100 D 50 50 1 1 P +X - 2 0 -200 100 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Motor_Motor_DC +# +DEF Motor_Motor_DC M 0 0 Y Y 1 F N +F0 "M" 100 100 50 H V L CNN +F1 "Motor_Motor_DC" 100 -200 50 H V L TNN +F2 "" 0 -90 50 H I C CNN +F3 "" 0 -90 50 H I C CNN +$FPLIST + PinHeader*P2.54mm* + TerminalBlock* +$ENDFPLIST +DRAW +C 0 -60 128 0 1 10 N +P 5 0 0 0 -50 -130 -50 20 0 -80 50 20 50 -130 N +P 2 0 1 0 0 -300 0 -280 N +P 2 0 1 0 0 -188 0 -204 N +P 2 0 1 0 0 68 0 82 N +P 2 0 1 0 0 80 0 100 N +X + 1 0 200 100 D 50 50 1 1 P +X - 2 0 -300 100 U 50 50 1 1 P +ENDDRAW +ENDDEF +# +# Switch_SW_SPST +# +DEF Switch_SW_SPST SW 0 0 Y N 1 F N +F0 "SW" 0 125 50 H V C CNN +F1 "Switch_SW_SPST" 0 -100 50 H V C CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +DRAW +C -80 0 20 0 0 0 N +C 80 0 20 0 0 0 N +P 2 0 0 0 -60 10 60 70 N +X A 1 -200 0 100 R 50 50 1 1 P +X B 2 200 0 100 L 50 50 1 1 P +ENDDRAW +ENDDEF +# +# power_GND +# +DEF power_GND #PWR 0 0 Y Y 1 F P +F0 "#PWR" 0 -250 50 H I C CNN +F1 "power_GND" 0 -150 50 H V C CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +DRAW +P 6 0 1 0 0 0 0 -50 50 -50 0 -100 -50 -50 0 -50 N +X GND 1 0 0 0 D 50 50 1 1 W N +ENDDRAW +ENDDEF +# +#End Library diff --git a/optics/gyro for binoculars/schematic.png b/optics/gyro for binoculars/schematic.png new file mode 100644 index 0000000..687aece Binary files /dev/null and b/optics/gyro for binoculars/schematic.png differ diff --git a/optics/gyro for binoculars/schematic.pro b/optics/gyro for binoculars/schematic.pro new file mode 100644 index 0000000..152769c --- /dev/null +++ b/optics/gyro for binoculars/schematic.pro @@ -0,0 +1,33 @@ +update=22/05/2015 07:44:53 +version=1 +last_client=kicad +[general] +version=1 +RootSch= +BoardNm= +[pcbnew] +version=1 +LastNetListRead= +UseCmpFile=1 +PadDrill=0.600000000000 +PadDrillOvalY=0.600000000000 +PadSizeH=1.500000000000 +PadSizeV=1.500000000000 +PcbTextSizeV=1.500000000000 +PcbTextSizeH=1.500000000000 +PcbTextThickness=0.300000000000 +ModuleTextSizeV=1.000000000000 +ModuleTextSizeH=1.000000000000 +ModuleTextSizeThickness=0.150000000000 +SolderMaskClearance=0.000000000000 +SolderMaskMinWidth=0.000000000000 +DrawSegmentWidth=0.200000000000 +BoardOutlineThickness=0.100000000000 +ModuleOutlineThickness=0.150000000000 +[cvpcb] +version=1 +NetIExt=net +[eeschema] +version=1 +LibDir= +[eeschema/libraries] diff --git a/optics/gyro for binoculars/schematic.sch b/optics/gyro for binoculars/schematic.sch new file mode 100644 index 0000000..326ebd3 --- /dev/null +++ b/optics/gyro for binoculars/schematic.sch @@ -0,0 +1,236 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 1 4 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Comp +L Device:Battery BT1 +U 1 1 5FF228D6 +P 1700 2400 +F 0 "BT1" H 1808 2446 50 0000 L CNN +F 1 "Battery" H 1808 2355 50 0000 L CNN +F 2 "" V 1700 2460 50 0001 C CNN +F 3 "~" V 1700 2460 50 0001 C CNN + 1 1700 2400 + 1 0 0 -1 +$EndComp +$Comp +L Switch:SW_SPST SW1 +U 1 1 5FF2314B +P 2000 2000 +F 0 "SW1" H 2000 2235 50 0000 C CNN +F 1 "SW_SPST" H 2000 2144 50 0000 C CNN +F 2 "" H 2000 2000 50 0001 C CNN +F 3 "~" H 2000 2000 50 0001 C CNN + 1 2000 2000 + 1 0 0 -1 +$EndComp +Wire Wire Line + 1700 2200 1700 2000 +Wire Wire Line + 1700 2000 1800 2000 +$Comp +L power:GND #PWR01 +U 1 1 5FF25A02 +P 1700 2850 +F 0 "#PWR01" H 1700 2600 50 0001 C CNN +F 1 "GND" H 1705 2677 50 0000 C CNN +F 2 "" H 1700 2850 50 0001 C CNN +F 3 "" H 1700 2850 50 0001 C CNN + 1 1700 2850 + 1 0 0 -1 +$EndComp +Wire Wire Line + 1700 2850 1700 2600 +$Sheet +S 2650 1900 650 300 +U 5FF25D2E +F0 "voltage upstep" 50 +F1 "upstep.sch" 50 +F2 "Vin" I L 2650 2000 50 +F3 "Vout" O R 3300 2000 50 +$EndSheet +$Sheet +S 2650 2400 650 300 +U 5FF271EC +F0 "sheet5FF271EC" 50 +F1 "upstep.sch" 50 +F2 "Vin" I L 2650 2500 50 +F3 "Vout" O R 3300 2500 50 +$EndSheet +$Sheet +S 2650 2900 650 300 +U 5FF27F95 +F0 "sheet5FF27F95" 50 +F1 "upstep.sch" 50 +F2 "Vin" I L 2650 3000 50 +F3 "Vout" O R 3300 3000 50 +$EndSheet +$Comp +L Device:C C1 +U 1 1 5FF28796 +P 2400 3250 +F 0 "C1" H 2515 3296 50 0000 L CNN +F 1 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