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Rocket KitLOC-EZI-65
Rating73.7
3 users
Skill5
Length61.12"
155.24cm
Diameter4.00"
10.16cm
Weight6.08lbs
2.76kg
Parachute36"
91.44cm
Drogue12"
30.48cm
Motor Mount54mm
DeploymentDual-2 Computers

NEXT

OpenRocket / RockSim

Likefileicon next.ork

Description

EZI-65 base, wrapped twice in 1.7 oz kevlar.

The fins have been rounded removing the sharp edges on the junction of the tip/leading/trailing edge.

Instead of an eyebolt to secure shock cord to airframe, I created a kevlar loop.

Printed nose cone using ABS plastic of my own design. External design based off of Von Karman nose cone. Main chute fits in lower half of nose with room to spare, storage containment in upper half for transmitter.

Vent hole in lower nose increased from 1/8" to 5/32". Vent hole in upper half is still 1/8"

The bay is of custom design, see Post Topic "Bay Electronics" or click here: https://www.insanerocketry.com/main/displaymessagelist/-3711951308618969595/

PR-100 Channel HP: 87 222.790MHz

Pyro:

Nose: 1.0g, backup 1.3g

Aft: 1.1g, backup 1.4g

Drogue engage on port 9 (aft deploy)

Main engage on port 8 (nose deploy)

 

 

Comments

frewi80
Like 2021-07-03 20:01:44Z

It's coming along pretty good Jason.

frewi80
Like 2021-10-11 18:45:05Z

That rocket comes a long way !! Made history..

esotericdude
Like 2021-12-14 16:03:46Z

Cut a ~4" hole in center of drogue chute, burned the ripstop at the cut. Looks good. My goal is a 65ft/sec descent rate, hopefully this does it.

esotericdude on 2021-10-13 08:27:17Z wrote:

Descent rate is currently too slow at 52.7ft/sec. I'm guessing this is a direct result of airframe deployment of drogue(current) vs nose deployment of drogue(previous design). I'll either get a smaller chute or cut a hole in the 12" chute I'm currently using.

esotericdude
Like 2021-12-19 08:47:00Z

Here is the slightly larger than 4 inch diameter hole I cut -- I was hoping for a 65 ft/sec descent rate, but it was not by science, I simply cut a hole in hopes to increase descent speed. The crazy thing is, the descent rate is ~65.3 feet per second! Target achieved. The burned ripstop did not frey so that was the way to go.

ffa34af10db24a53Md.jpg
Like

esotericdude on 2021-12-14 16:03:46Z wrote:

Cut a ~4" hole in center of drogue chute, burned the ripstop at the cut. Looks good. My goal is a 65ft/sec descent rate, hopefully this does it.

esotericdude on 2021-10-13 08:27:17Z wrote:

Descent rate is currently too slow at 52.7ft/sec. I'm guessing this is a direct result of airframe deployment of drogue(current) vs nose deployment of drogue(previous design). I'll either get a smaller chute or cut a hole in the 12" chute I'm currently using.

esotericdude
Like 2023-04-27 17:38:49Z

Moved completely intact electronics from Panda 2 to Next.

Rewired.

Moved "Custom Electronics Rev 2 for Primary Deployment" thread from Panda 2 to under this rocket, since it is now active in this rocket.

https://www.insanerocketry.com/main/displaymessagelist/-5758789762341846124/

 


Summary

Total Launches6 Highest Altitude11598 ft
3535.07m
Cumulative Altitude49372 ft
15048.59m
Total Fail0 Highest Velocity721 MPH
1160.81km/h
Average Altitude8228 ft
2507.89m
Average MotorKAverage Thrust345Total Thrust2072
Motor SumMMotor Failure0 Average Speed613 MPH
986.93km/h
Averages & cumulative are calculated if there are actual values present, not just estimated. None of the averages or weighted. Please do not populate actual values with estimates.
# = Number of Launches  ? = Estimated

Launches

DateTitleLikesWeight#StatusAltitudeVelocityMotor
FreddyPhoto.jpg 2023-10-21 14:40:15Z
NEXT-Good to be flying - its been too long
Like 6.08lb.
2.76kg
1 Success 9362 ft
2853.54m
?8900 ft
?2712.72m
674 MPH
1085.14km/h
?616 MPH
?991.76km/h
K261
vlcsnap-2022-06-18-15h34m49s898.png 2022-06-18 14:53:22Z
NEXT-Summer higher altitude test
Like 6.08lb.
2.76kg
1 Success 11598 ft
3535.07m
?11500 ft
?3505.20m
721 MPH
1160.81km/h
?657 MPH
?1057.77km/h
L265
vlcsnap-2021-12-18-16h45m41s648.png 2021-12-18 16:50:35Z
NEXT-Way to end the year
Like 6.08lb.
2.76kg
1 Success 8988 ft
2739.54m
?8944 ft
?2726.13m
596 MPH
959.56km/h
?580 MPH
?933.80km/h
K270-AT
vlcsnap-2021-10-09-17h13m52s328.png 2021-10-09 15:28:18Z
NEXT-Test launch omega
Like 6.08lb.
2.76kg
1 Success 5636 ft
1717.85m
?5500 ft
?1676.40m
574 MPH
924.14km/h
J540-R
IMG_20210918_095444.jpg 2021-09-18 14:42:58Z
NEXT-Test launch alpha
Like 6.08lb.
2.76kg
1 Success 4150 ft
1264.92m
?4297 ft
?1309.73m
455 MPH
732.55km/h
?458 MPH
?737.38km/h
J460-T
vlcsnap-2021-07-17-16h46m34s288.png 2021-07-17 14:48:34Z
NEXT-Great day, good to be flying again
Like 6.08lb.
2.76kg
1 Success 9638 ft
2937.66m
?9239 ft
?2816.05m
662 MPH
1065.82km/h
?582 MPH
?937.02km/h
K270-AT

Images

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chiclet
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