L1 Build - Upgraded Loc IV

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Aquaman33
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Re: L1 Build - Upgraded Loc IV

Postby Aquaman33 » Tue Mar 12, 2019 3:19 pm

Following George's advice I have changed the following settings in the 808 camera:

1. Orange LED now flashes when its recording video. This is very reassuring.
2. Camera no longer turns itself off after 30 seconds.
3. I have removed the time and date stamp.

I wasn't able to download the (Windows based) NR16 Setup software that is used to configure the camera because I don't own a PC. So instead I just edited the SYSCFG.TXT file using a text editor on my Mac. It's really easy to do as long as you are careful with the text.

I have highlighted the changes to the file in red below:

Date time=[2013/04/22-05:02:38];date time setting,format yyyy/mm/dd hh:mm:ss,
Movie resolution=[0];Movie resolution setting,0:720p,1:wvga,2:vga,
Movie cycle time=[1];movie cycle time,0:5 minutes,1:20 minutes,2:40 minutes,3: 70 minutes,
movie Loop Recording=[0];set loop recording on or off,0:off,1:on,
Movie stamp=[0];set date / time stamp on or off,0:off,1:on,
Movie sound=[2];set movie sound,0:mute,1:level 1,2:level 2,3:level 3,
LED=[1];set LED flicker when recording,0:off,1:on,
Movie quality=[1];set movie quality,set movie data rate,0:10 Mbps,1:7 Mbps,
Power off=[0];set system auto power off time when system pending,0:off,1:30 seconds,2:1 minutes,3:2 minutes,
Movie Flip=[0];set movie rotate,0:off,1:on,
TV out=[0];set Tv out,0:NTSC,1:PAL,
Capture Size=[0];set photo size,0:1280x960,1:1280x720,
Auto Record=[0];set movie auto record,0:off,1:on,
Exposure Value=[2];Exposure compensation,0:-2EV,1:-1EV,2:0EV,3:+1EV,4:+2EV
White Balance=[0];Set White Balance,0:Auto,1:Daylight,2:Cloudy,3:Tungsten,4:Fluorescent,
Contrast=[2];Set Contrast,0:-2,1:-1,2:Normal,3:+1,4:+2,
Color Effect=[0];Set Color Effect,0:Standard,1:Mono,2:Sepia,3:Cooler,4:Cool,5:Warm,6:Warmer,
Saturation=[2];Set Image Saturation, 0:-2,1:-1,2:Normal,3:+1,4:+2,
Set Time Lapse Shooting=[0],0:off,1:0.25s,2:0.5s,3:1s,4:2s,5:5s,6:10s,7:30s,8:60s
Motion Detect=[0];set motion detect,0:off,1:on
Motion Detect Timeout=[2];set motion detect timeout,0:5s,1:15s,2:30s,3:60s
Motion Detect Sensitivity=[0];set motion detect Sensitivity,0:high,1:low
Movie Frame Rate=[0];Movie frame rate setting,0:30fps,1:25fps,2:20fps,3:15fps,4:10fps,5:5fps,
Power on=[0];set system power on time,0:delay,1:fast
TV Display Ratio=[0];set display ratio,0:4*3,1:16*9
Charge from USB Host=[0]; when connecting with USB host, charge camera or not,0:off,1:on
{MicroDVR mov 2013/12/28 v1.12-HWV3}
{LDMICDVR,v1.1S,09/28/2012}

Next I'll paint the lens cap and do some tests to see how long it records for using a 32gb memory card.

Aquaman33
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Re: L1 Build - Upgraded Loc IV

Postby Aquaman33 » Tue Mar 12, 2019 5:25 pm

A better shot of the shock cord options. From left to right - Stock nylon (12mm wide), Ebay nylon (25mm wide), "premium" blue, Kevlar.
Image

And red tape added to the camera lens cap so its less likely to get left on the camera (thanks George).
Image

Aquaman33
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Re: L1 Build - Upgraded Loc IV

Postby Aquaman33 » Thu Mar 14, 2019 9:10 am

After testing I made one more change to the camera's SYSCFG file.

I changed the Movie Cycle Time from 20 minutes to 40 minutes. This is how long it records for before it stops and starts a new file. 40 minutes is the maximum without a power cable attached.

Date time=[2013/04/22-05:02:38];date time setting,format yyyy/mm/dd hh:mm:ss,
Movie resolution=[0];Movie resolution setting,0:720p,1:wvga,2:vga,
Movie cycle time=[2];movie cycle time,0:5 minutes,1:20 minutes,2:40 minutes,3: 70 minutes,
movie Loop Recording=[0];set loop recording on or off,0:off,1:on,
Movie stamp=[0];set date / time stamp on or off,0:off,1:on,
Movie sound=[2];set movie sound,0:mute,1:level 1,2:level 2,3:level 3,
LED=[1];set LED flicker when recording,0:off,1:on,
Movie quality=[1];set movie quality,set movie data rate,0:10 Mbps,1:7 Mbps,
Power off=[0];set system auto power off time when system pending,0:off,1:30 seconds,2:1 minutes,3:2 minutes,
Movie Flip=[0];set movie rotate,0:off,1:on,
TV out=[0];set Tv out,0:NTSC,1:PAL,
Capture Size=[0];set photo size,0:1280x960,1:1280x720,
Auto Record=[0];set movie auto record,0:off,1:on,
Exposure Value=[2];Exposure compensation,0:-2EV,1:-1EV,2:0EV,3:+1EV,4:+2EV
White Balance=[0];Set White Balance,0:Auto,1:Daylight,2:Cloudy,3:Tungsten,4:Fluorescent,
Contrast=[2];Set Contrast,0:-2,1:-1,2:Normal,3:+1,4:+2,
Color Effect=[0];Set Color Effect,0:Standard,1:Mono,2:Sepia,3:Cooler,4:Cool,5:Warm,6:Warmer,
Saturation=[2];Set Image Saturation, 0:-2,1:-1,2:Normal,3:+1,4:+2,
Set Time Lapse Shooting=[0],0:off,1:0.25s,2:0.5s,3:1s,4:2s,5:5s,6:10s,7:30s,8:60s
Motion Detect=[0];set motion detect,0:off,1:on
Motion Detect Timeout=[2];set motion detect timeout,0:5s,1:15s,2:30s,3:60s
Motion Detect Sensitivity=[0];set motion detect Sensitivity,0:high,1:low
Movie Frame Rate=[0];Movie frame rate setting,0:30fps,1:25fps,2:20fps,3:15fps,4:10fps,5:5fps,
Power on=[0];set system power on time,0:delay,1:fast
TV Display Ratio=[0];set display ratio,0:4*3,1:16*9
Charge from USB Host=[0]; when connecting with USB host, charge camera or not,0:off,1:on
{MicroDVR mov 2013/12/28 v1.12-HWV3}
{LDMICDVR,v1.1S,09/28/2012}

When fully charged and with a 32gb card installed the camera will record 2 x 40 minute videos.

Aquaman33
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Re: L1 Build - Upgraded Loc IV

Postby Aquaman33 » Thu Mar 14, 2019 9:19 am

Nose Cone Update

Sanded and filled with Builders Bog.
Image

After 3 coats of primer and 3 top coats. With lots of wet/dry sanding between coats.
Image

Ring epoxied in place ready to receive the electronics sled. Is it a sled or a bay? I think its a sled.
Image

With sled in place.
Image
The 4 holes around the u-bolt are to help equalise the pressure for the altimeter.

And it when fully assembled it weighs just over 400g.
Image
This is little heavier than I had hoped for, but at least its weight at the front end.

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SpaceManMat
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Re: L1 Build - Upgraded Loc IV

Postby SpaceManMat » Thu Mar 14, 2019 10:33 am

Looking real nice now.
QRS: 124
AMRS: 32 L2 RSO
Highest Altitude: 13,647 feet
Fastest Flight: Mach 1.55
Largest Motor: CTI 1115J530 IM
Current Project: X Wing

Aquaman33
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Re: L1 Build - Upgraded Loc IV

Postby Aquaman33 » Fri Mar 15, 2019 2:30 pm

SpaceManMat wrote:Looking real nice now.


Thanks SpaceManMat. I feel like its slowly coming together.

Hoping to launch it on the weekend of 6th/7th April.....so it needs to come together soon!

Aquaman33
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Re: L1 Build - Upgraded Loc IV

Postby Aquaman33 » Fri Mar 15, 2019 2:48 pm

I made a fin jig. Nothing fancy, but I think it will work.

The main body is a piece of pine from the side of a bed that I found in the street.

The dowels are Tasmanian Oak that I found in a drawer in my workshop.

Image

I made a shim from a piece of MDF covered in tape to get it to the same thickness as the fins. This keeps the jig parallel.
One of the dowels goes through the hole in the middle of the shim so that it doesn't fall out of the jig.

Image

I can fit about 80% of the fin into the jig before the dowel gets in the way. More than enough to keep it straight....hopefully.

Image

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Re: L1 Build - Upgraded Loc IV

Postby Aquaman33 » Sat Mar 16, 2019 9:25 pm

3 weeks until NSW Rocketry Association's High Power Launch! Time to get this building moving.

Body Tube

Motor tube epoxied in place. I used the rear centering ring for alignment, but didn't glue it in yet so I have access for internal fin fillets. A rather boring shot from the front end.
Image

I left a few mm of the second centering ring showing to help with alignment but also so the fins will fit snugly, as the slots are slightly too long.
Image

I wicked some thin CA glue into the top of the body tube to strengthen it and hopefully reduce damage.
Image

Test fitting the camera shroud.
Image

First look at the shroud on the tube. Its chunky!
Image

The shroud will be secured with epoxy and 2 nuts and bolts. I''ll epoxy over this so they don't catch on the chute.
Image

I decided to fill and prime the body tube without the fins and the camera shroud as its a lot easier to sand that way. But I wanted the epoxy to bond directly to the tube so I masked around the fin slots and the camera shroud.
Image
Image
School boy error was not masking forward and behind the fin slots. I forgot the fins are longer than the slots. But there will be plenty of internal fillets to secure the fins.

One of many coats of primer.
Image

Camera shroud sanded and primed. Bottom 5mm was masked to allow the epoxy to bond to directly to the plastic.
Image

Waiting for epoxy under the shroud to dry before adding fillets.
Image

Next job installing fins.

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Re: L1 Build - Upgraded Loc IV

Postby Aquaman33 » Tue Mar 19, 2019 2:43 pm

Attaching the Fins

Fin jig doing its job well.
Image

Rear end view with rear centering ring temporarily inserted to help align the motor mount.
Image

1 of 12 internal fin fillets. They weren't very neat, but they won't be on show.
Image

Rear centering ring epoxied in place and motor retainer JB Welded in place. The centering was a nice fit against the bottom of the fin tabs. So the fins are firmly sandwiched and epoxied between the 2 rear centering rings.
Image

External fin fillets a bit neater than the internal ones. On the left you can see where I failed to mask the primer in front of the fin slots.
Image

Some internal epoxy to cover the end of the camera shroud bolts. Nice and smooth to avoid snagging the chute.
Image

Glad to have finished all the epoxy work.

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Re: L1 Build - Upgraded Loc IV

Postby Aquaman33 » Tue Mar 19, 2019 3:15 pm

Parachute

The kit comes with a basic 30 inch flat orange chute which weighs about 60g.
Image

I think this would be fine if the rocket was less than 1kg (as advertised) but mine will be closer to 1.6kg, so time for another upgrade.

I decided to get something made to match to colour scheme of the rocket. I really liked the look of these polyconical star chutes from Bama Recovery Systems so I ordered a 48 inch red and blue version.

Image

I believe Bama have stopped making these now and may have licensed the design to Rocketman. They have something very similar listed on their site.
https://the-rocketman.com/rocketman-star-polyconical-parachutes/

48 inch is bit on the large size, but I won't be launching this rocket very high for my L1, and the spill hole will help bring it down. I would rather have a long walk than a broke fin. If its really windy I'll switch to something smaller.
Image

Getting those photos was a nightmare!

Its a lot heavier than the stock chute, but the long motor mount means the weight will be in the front half of the rocket.
Image

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Re: L1 Build - Upgraded Loc IV

Postby Aquaman33 » Fri Mar 22, 2019 2:40 pm

Last coat of primer.

Image

And the top coat.

Image

It's starting to feel like I might actually finish this build.

Kryten
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Re: L1 Build - Upgraded Loc IV

Postby Kryten » Sat Mar 23, 2019 8:59 am

Looking good
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Aquaman33
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Re: L1 Build - Upgraded Loc IV

Postby Aquaman33 » Sun Mar 24, 2019 1:06 pm

Kryten wrote:Looking good


Thanks Kryten.

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Re: L1 Build - Upgraded Loc IV

Postby Aquaman33 » Sun Mar 24, 2019 1:17 pm

Painting almost complete.

Added some black stripes and attached the rail buttons.

Image

Fins are just carbon with a clear coat over them.

I think I could do more to bring the red and blue sections "together". Maybe I'll add some blue stripes.

May also clear coat the whole thing.

Next job is rigging up the shock cord, nomex and chute.

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SpaceManMat
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Re: L1 Build - Upgraded Loc IV

Postby SpaceManMat » Sun Mar 24, 2019 3:41 pm

Pretty much there. So what’s the plan for the flight (motor, altitude etc)? Are you going to do a shake down test flight first?
QRS: 124
AMRS: 32 L2 RSO
Highest Altitude: 13,647 feet
Fastest Flight: Mach 1.55
Largest Motor: CTI 1115J530 IM
Current Project: X Wing


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