Let 3056
Payloader II flight 20
Nano V1 Rev 4 · firmware 2.00Secure logSecure logThe altimeter signed this log and it passed verification on upload, so the data is unchanged since the device wrote it.Signatures use Ed25519, which no current technology can forge.
Apogeum
220.53m
6.98 s after launch
Max. stoupání
65.4m/s
peak ascent
Max. při spalování
14.71G
during the burn
Přistání
0s
touchdown 5.45 m/s
ZOOM TO
s
s
Shrnutí letu
The flight, moment by moment
Liftoff
0 s
Náklon rampy99.35°
Thrust calc pad tilt0.3°
Přistání
0 s
Výška0 m
Max. klesání-5.84 m/s
Launch detected
1.02838 s
Výška30.19 m
Rychlost46.67 m/s
Vyhoření (první)
1.9 s
Výška0 m
Rychlost65.160 m/s
Možné vypuštění
6.716 s
Výška0 m
Rychlost m/s
Apogeum
6.98 s
Výška220.53 Metry
Max. náklon do vyhoření109.99°
Stabilita88%Výborný
Náklon při dohoření (20%)99
20% · Launch tilt 0.3°
Klápění/zatáčení (30%)93.3
25% · Coning 26.6/36.9°/s
Coning · boost (25%)87.9
25% · Spin 388.5°/s
Přímost tahu (15%)76.2
30% · Thrust 94.9%
Rocket information
Calculated from the flight data alone
Boost acceleration34.3 m/s²
average over the burn · 3.5 g
Coast deceleration12.8 m/s²
average · gravity plus drag
Chute opening peak4.34 G
largest deceleration after ejection
Baterie & teplota 90% → 100% · Teplota začátek 34.25 → 0 °C · Start po zapnutí 7m 3s
Výška
Apogeum220.53 Metry
Čas do apogea6.98 s
Výška vyhoření0 m
Výška max. rychlosti78.52 m
Výška vypuštění0 m
Výška přistání0 m
Výška záznamu-71.03 m
Rychlost
Max. stoupání65.39 m/s
Max. klesání-5.84 m/s
Při vyhoření65.160 m/s
Rychl. klesání-4.555 m/s
Rychl. vypuštění m/s
Rychl. přistání-5.451 m/s
Zrychlení
Max. při spalování14.71 G
Max. stoupání20.57 G
Max. klesání4.34 G
Prúm. stoupání0.86 G
Prúm. spalování3.57 G
Časy
Vyhoření (první)1.9 s
Apogeum6.98 s
Možné vypuštění6.716 s
Přistání0 s
Úhly
Náklon rampy99.35°
Thrust calc pad tilt0.3°
Max. náklon do vyhoření109.99°
Klápění při startu-107.39°
Klopní při startu57.23°
Max. rotace (spal.)674.63 dps
Prúm. rotace (spal.)379.92 dps
Staging
Stages detected1
Burnout (refined)1.930 s
Stage S1 burnout
flip1.905 s
drag1.930 s
sig2.056 s
Recovery
Single deploy
No dual deploy detected on this flight.
Obecné
Datum nahrání13/10/26-22:19:30
Datové vzorky1334
Celkový čas záznamu47.181 s
Prúm. vzorký/s28.2
Počet blokování0
Start po zapnutí7m 3s
Referenční osaX
Baterie & teplota
Baterie začátek90%
Baterie konec100%
Teplota začátek34.25°C
Teplota konec0°C
Uživatelské poznámky
Also carried Silicdyn Reperix tracker which reported 265m apogee.
Nano was flashing single purple flashes upon receovery, not shut down. Log says it was recovered from flash. Hmmmmm....
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Youtube video
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Obrázky letu 0
Žádné obrázky
Motory letu
1st stage · 5s delay
Burn time
1.86 s
Diameter
18.00 mm
Average thrust
4.74 N
Max thrust
14.09 N
Total weight
24.10 g
Propellant weight
10.80 g
Propellant type
black powder
Links
Impulse8.82Ns
Max thrust14N
Burn time1.86s
Impulse classC
1st stage thrustloading curve…
Motor data by ThrustCurve.org
Přidejte toto zařízení ke svému účtu pro úpravy
Propojená raketa
Active
1 photo
Payloader II
Estes Industries — Payloader II
Type
Kit build
Diameter
25mm
Length
132mm
Dry weight
42.1g
Loaded wt.
84.7g
Stages
1
Fins
4
Recovery
Parachute
Chute
30cm
Body
Kraft paper
Flight mass
Liftoff mass93.4gestimated
Mass at burnout82.6gestimated
No mass is set for this flight, so Motor thrust (N) uses a mass estimated from the measured burn and the motors’ rated impulse. Set the rocket’s mass for the measured impulse and specific impulse.
Motor thrust (N) is on the chart, under Acceleration.
Other flights on this motor
8 · highest first
Linked flights
Apogee spread220.53 – 246.3 m
Místo startu, datum a čas
Imagery © Esri, Maxar, Earthstar Geographics
Klikněte na mapu · Přetáhněte pro úpravu
Canopy height from the Meta and WRI High Resolution Canopy Height Maps v2 (Meta and World Resources Institute, 2026; source imagery © 2016 Vantor), used under CC BY 4.0. Ground elevation built from Terrain Tiles (Mapzen and AWS Open Data), derived from 3DEP and GMTED courtesy of the U.S. Geological Survey, SRTM courtesy of NASA, and ETOPO1 courtesy of NOAA. Map and imagery credited on the view above.
Site nameSixty Acres Park NorthLat47.705127Lng-122.139308Ground level10.0 m · 33 ftDatum startu2026-10-13Čas startu14:00
Taken from the NOAA GFS weather model for this place and time, so there is nothing to enter. Weather data by Open-Meteo.com (CC BY 4.0). The full weather for 48 hours either side, within 15 km, is in the tabs below and in Downloads.
Temperature17.4 °C
Sea-level pressure1021.4 hPa
QNH1021.4 hPa
Wind speed1.4 m/s
Wind directionS
Cloud coverOvercast
About sea-level pressure and QNH
Sea-level pressure is kept as given: the model’s own, or the figure entered from a forecast or report. QNH is that pressure the way an altimeter setting means it, through the standard atmosphere, and is what the adjusted apogee and the adjusted CSV use.
Model values, not observations. NOAA GFS: weather data by Open-Meteo.com (CC BY 4.0). Ensemble: NOAA GEFS.
Animace dat letu
FLIGHT 3056
220.53 Meters
ALTITUDE
0.00m
VELOCITY
0.00m/s
ACCEL
0.00G
TILT
0.00°
PITCH
0.00°
ROLL
0.00°
YAW
0.00°
TIME
0.00s
AWAITING LAUNCH
ALT
altimetercloud.com
LAUNCH
T+0.00s
LANDING
BURNOUT
Motor burn complete
Poznámka: Animace letu vyžaduje montáž výškoměru v pevné orientaci. Kalibrujte senzory pro nejlepší výsledky.
Nano V1
Tento let byl proveden na Nano V1.
The hardware
Verze hardwareRev 4
Verze software2.00
Naposledy online13/10/26-22:19:30
Snímač tlakuBosch BMP 581
Akcelerometr32G 3-axis
Gyroskop2000 dgps 3-axis
Flights from this altimeter
20 of 25
Shrike flight 12 (Nano 1)
135m
no chart yet
Payloader II flight 21
246.3m
no chart yet
Payloader II flight 20 this flight
220.5m
Cosmic Cascade flight 17
76.1m
Payloader II flight 18
131.4m
Cosmic Cascade flight 16
178m
Cosmic Cargo (2) flight 71
146.1m
Cosmic Cargo (2) flight 70
163.8m
Cosmic Cargo (2) flight 68
258.5m
Cosmic Cargo (2) Flight 67
255.8m
Cosmic Cargo (2) Flight 66
265.3m
Cosmic Cargo (2) flight 65
259.8m
Cosmic Cargo (2) flight 64
228.1m
Cosmic Cargo (2) flight 63
95.5m
Payloader II flight 15
264.3m
Payloader II flight 14
133.7m
Nova Payloader (6) flight 33
108.3m
Green Eggs (3) flight 7
209.3m
Green Eggs (3) Flight 6 (Nano 1)
170.2m
Green Eggs (3) flight 5 (Nano 1)
185.3m
Mini Hustler flight 24
95/100
Mini Hustler flight 25
94/100
Cosmic Cargo (2) flight 63
94/100
Green Eggs (3) flight 7
94/100
Cosmic Cargo (2) flight 55
93/100
Cosmic Cargo (2) Flight 66
93/100
Shrike flight 12 (Nano 1)
93/100
Cosmic Cargo (2) flight 65
93/100
Green Eggs (3) flight 5 (Nano 1)
93/100
Cosmic Cargo (2) flight 64
93/100
Nova Payloader (6) flight 33
92/100
Green Eggs (3) Flight 6 (Nano 1)
91/100
Green Eggs (3) flight 3
91/100
Mini Hustler flight 26
91/100
Cosmic Cascade flight 16
90/100
no chart yet
Payloader II flight 21
90/100
Payloader II flight 18
89/100
Cosmic Cargo (2) flight 71
88/100
no chart yet
Payloader II flight 20 this flight
88/100
Cosmic Cascade flight 17
87/100
Cosmic Cargo (2) Flight 66
265.3m
Payloader II flight 15
264.3m
Cosmic Cargo (2) flight 65
259.8m
Cosmic Cargo (2) flight 68
258.5m
Cosmic Cargo (2) Flight 67
255.8m
no chart yet
Payloader II flight 21
246.3m
Cosmic Cargo (2) flight 64
228.1m
no chart yet
Payloader II flight 20 this flight
220.5m
Green Eggs (3) flight 7
209.3m
Green Eggs (3) flight 3
187.7m
Green Eggs (3) flight 5 (Nano 1)
185.3m
Cosmic Cascade flight 16
178m
Green Eggs (3) Flight 6 (Nano 1)
170.2m
Cosmic Cargo (2) flight 70
163.8m
Cosmic Cargo (2) flight 71
146.1m
Cosmic Cargo (2) flight 55
138.4m
Shrike flight 12 (Nano 1)
135m
Payloader II flight 14
133.7m
Payloader II flight 18
131.4m
Mini Hustler flight 25
125.7m
Payloader II flight 15
80.9s
Cosmic Cascade flight 16
69.4s
Green Eggs (3) flight 5 (Nano 1)
63.5s
Green Eggs (3) flight 7
62.9s
Green Eggs (3) flight 3
58.2s
Cosmic Cargo (2) flight 68
57.7s
no chart yet
Payloader II flight 21
57.2s
Cosmic Cargo (2) Flight 66
55.5s
Cosmic Cargo (2) flight 65
52.2s
Cosmic Cargo (2) Flight 67
51.8s
Cosmic Cargo (2) flight 64
49.7s
Green Eggs (3) Flight 6 (Nano 1)
49.4s
Payloader II flight 18
48.3s
no chart yet
Payloader II flight 20 this flight
47.2s
Shrike flight 12 (Nano 1)
45s
Payloader II flight 14
44.6s
Cosmic Cargo (2) flight 70
43.3s
Mini Hustler flight 25
40.2s
Nova Payloader (6) flight 33
40.1s
Cosmic Cargo (2) flight 71
38.6s
Payloader II flight 15
109.4m
Cosmic Cargo (2) flight 64
91.3m
Cosmic Cargo (2) Flight 67
85m
Cosmic Cargo (2) Flight 66
83.6m
Cosmic Cargo (2) flight 65
81.7m
no chart yet
Payloader II flight 21
80.3m
Cosmic Cargo (2) flight 68
69.6m
Cosmic Cargo (2) flight 70
65.9m
no chart yet
Payloader II flight 20 this flight
65.4m
Cosmic Cargo (2) flight 71
64.1m
Green Eggs (3) flight 7
62.8m
Green Eggs (3) flight 3
58.6m
Payloader II flight 18
57.6m
Green Eggs (3) flight 5 (Nano 1)
55.9m
Cosmic Cascade flight 16
55.7m
Nova Payloader (6) flight 33
55.4m
Payloader II flight 14
55m
Shrike flight 12 (Nano 1)
54.3m
Cosmic Cargo (2) flight 55
51.9m
Green Eggs (3) Flight 6 (Nano 1)
51.1m
Mini Hustler flight 24
31.4s
Cosmic Cargo (2) flight 55
32.5s
Cosmic Cargo (2) flight 63
32.7s
Mini Hustler flight 26
34.3s
Cosmic Cascade flight 17
36.8s
Cosmic Cargo (2) flight 71
38.6s
Nova Payloader (6) flight 33
40.1s
Mini Hustler flight 25
40.2s
Cosmic Cargo (2) flight 70
43.3s
Payloader II flight 14
44.6s
Shrike flight 12 (Nano 1)
45s
no chart yet
Payloader II flight 20 this flight
47.2s
Payloader II flight 18
48.3s
Green Eggs (3) Flight 6 (Nano 1)
49.4s
Cosmic Cargo (2) flight 64
49.7s
Cosmic Cargo (2) Flight 67
51.8s
Cosmic Cargo (2) flight 65
52.2s
Cosmic Cargo (2) Flight 66
55.5s
no chart yet
Payloader II flight 21
57.2s
Cosmic Cargo (2) flight 68
57.7s
Settings, as they were for this flight
Obecná nastavení letu
Předpovězený tlak
i
Set this to your local forecast pressure at sea level. This will offer you slightly improved accuracty for your flight, although it's not 100% essential every little helps!
Xcweather.co.uk is a decent place to grab pressures from for your location and time.
Xcweather.co.uk is a decent place to grab pressures from for your location and time.
1013.2 mbar
Detekce startu
i
This is the altitude above the launch pad altitude where the altimeter will trigger itself into recording / flight mode.
The altimeter keeps a constant average of the pressure while waiting for launch, it uses a simple algorithm and the pre-flight buffers to do this. The most recent 120 samples (~4 seconds) are ignored so your pre-trigger altitude won't effect the ground baseline.
For almost all uses we suggest keeping this on the 25 Meter (~82 feet) default settings. If you want to test your altimeter by throwing it in the air, or are planning a very low flight you may want to lower the setting.
The altimeter keeps a constant average of the pressure while waiting for launch, it uses a simple algorithm and the pre-flight buffers to do this. The most recent 120 samples (~4 seconds) are ignored so your pre-trigger altitude won't effect the ground baseline.
For almost all uses we suggest keeping this on the 25 Meter (~82 feet) default settings. If you want to test your altimeter by throwing it in the air, or are planning a very low flight you may want to lower the setting.
30 meters
Sample ratio
i
The altimeter runs at 50Hz however you can record every sample or every X samples in order to extend the log time. For example if you set the ratio to 1 it will save 1:1 samples, or if you set it to 3 it will save 1 in 3 samples.
1:1:1 (417Hz)
Max samples
i
This is the maximum samples the altimeter will log per flight. When it reaches this amount it will stop and save the recording.
38000
Recording stop
i
This setting is how the altimeter decides to stop recording. You can choose either 450 (~9s) or 900 (~18s) samples stable or it will record until the max samples limit unless you press the BUTTON in Manual stop mode.
The samples stable method waits for the devices altitude not to change for the set number of samples. This is defined by not changing by more than +/- 1.0 meters for 98% of the samples, it's a reliable method to stop the recording after landing within 8-10 seconds (300 sample) or 16-20 seconds (600 sample).
The samples stable method waits for the devices altitude not to change for the set number of samples. This is defined by not changing by more than +/- 1.0 meters for 98% of the samples, it's a reliable method to stop the recording after landing within 8-10 seconds (300 sample) or 16-20 seconds (600 sample).
Auto: 8s stable altitude
Oversampling
i
Oversampling is a internal setting of the BMP 390 pressure sensor. It is how many samples are taken for each reading. By taking multiple samples for each pressure reading the altimeter reduces noise and increases the resolution of the output.
The sensor can run at 50 samples per second in 4X mode, so we suggest leaving it in this mode as it will offer the highest accuracy.
The sensor can run at 50 samples per second in 4X mode, so we suggest leaving it in this mode as it will offer the highest accuracy.
16x Oversampling
IIR filter
i
The IIR filter is another internal sensor for the BMP390 pressure sensor. It is a Infinite impulse response filter used to enhance pressure measurement accuracy by reducing noise. It's primarily for smoothing out rapid pressure changes.
We suggest not setting this too high as it will cause delay to changes in altitude if set very high.
We suggest not setting this too high as it will cause delay to changes in altitude if set very high.
COEFF 7
Pressure filter
i
This filter is a software Kalman filter that runs on the altimeters processor.
The Kalman filter uses a prediction step based on a system model and then a correction step using new measurements to refine its estimate, it creates accurate most certain results from data with noise in it.
The Kalman filter uses a prediction step based on a system model and then a correction step using new measurements to refine its estimate, it creates accurate most certain results from data with noise in it.
TruePath
Sample speed
i
The sample rate of the altimeter's sensors. 50Hz takes 50 samples per second, 100Hz takes 100 samples per second for higher resolution data.
417 Hz
Hybrid mode
i
When enabled, the altimeter records at full speed during ascent then switches to half speed after apogee to extend recording time during descent.
Enabled
Sync sensors
i
The filters on the pressure sensor can cause it to lag very slightly behind the Accelerometer and Gyroscope data.
The Sync sensors option detects how far out of sync these sensors are. It then corrects the Acceleration and Gyroscope readings to match the pressure sensor.
AKTIVOVÁNO (6 samples / 118.51ms)
Orientation
i
This is the orientation you intend to install the Altimeter in your rocket. It's needed to ensure completly accurate angles and orientation charts and reports. Check out the Manual for more information on this.
Auto detect
IMU filter
i
The IMU filter, or fusion filter takes the data from each axis of the Gyroscope and Accelerometer to calculate the Pitch, Roll, Yaw and tilt angle from vertical.
These filters can build up some discrepency over time so it's important to calibrate your sensors to minimise this.
Attitude filter 6-Axis
Launch ALP
i
This is prevention against accidental launch detection.
With this disabled the launch is based only on pressure and something that creates a low pressure can trigger the flight by accident. For example pulling your nose cone off can even trigger it.
With this enabled the rocket also needs to have seen 8 samples (0.25 seconds) of acceleration above this setting in the last 3 seconds as well as the pressure drop to trigger. There is a backup trigger of 1.05 seconds of altitude being above the launch detect setting too.
There are very few situations where this option would cause issues, so we suggest leaving it on.
With this disabled the launch is based only on pressure and something that creates a low pressure can trigger the flight by accident. For example pulling your nose cone off can even trigger it.
With this enabled the rocket also needs to have seen 8 samples (0.25 seconds) of acceleration above this setting in the last 3 seconds as well as the pressure drop to trigger. There is a backup trigger of 1.05 seconds of altitude being above the launch detect setting too.
There are very few situations where this option would cause issues, so we suggest leaving it on.
2.0G
Launch lock
i
When enabled, the altimeter locks out recording for a set period after power on to prevent false triggering during setup.
DISABLED
Static temperature
i
A fixed temperature value used for altitude calculation when the external temperature sensor is disabled or not connected.
15 °C
Kalibrace senzorú
Kalibrační offsety použité pro tento let.
Gyroskop⚠ Gyroskop nebyl zkalibrován
X0.000°
Y0.000°
Z0.000°
Akcelerometr⚠ Akcelerometr nebyl zkalibrován
X0.000 mG
Y0.000 mG
Z0.000 mG
Files
Where the altimeter signs its log, the file carries that signature and a tick beside it. A tick means the data is unchanged since the device wrote it, which is what a record claim needs.
CSV
3056.csv ✓ SIGNED
The log as columns of text. Opens in a spreadsheet, and in every simulator that reads flight data.
135 KB
LOG
3056.aclz ✓ SIGNED
The altimeter's own compressed log, exactly as the device wrote it. This is the file to keep for a record claim.
24 KB
WX
3056_weather.json.gz
The weather for 48 hours either side of the launch, within 15 km of the launch site: NOAA GFS every hour, at the surface and up to about 31 km, and the NOAA GEFS ensemble where this site holds it. JSON, gzip compressed. Weather data by Open-Meteo.com (CC BY 4.0) and NOAA. For 2026-10-13 14:00 local time at 47.7051, -122.1393.
1006 KB
Adjusted CSV2904 recalculated in your browser
The log recomputed for your own sea-level pressure and temperature. Columns: time, altitude as recorded and adjusted, raw altitude as recorded and adjusted, pressure.
This file is built here from the signed log, so it carries no signature of its own. Anyone verifying a claim should be sent to the flight page and build their own from the original.
Share this flight
Anyone with the link can view this flight; nothing else on your account is shared.
Chart snapshot
A PNG of the chart exactly as you have it set right now: the series you have switched on, your zoom, your labels and any pressure correction applied.
QR code
Links to this flight page. Useful on a range card or a club display.
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