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Older Activity
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423 replies | 78181 view(s)
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Today, 05:04 AM
Some pics of the three
423 replies | 78181 view(s)
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Yesterday, 05:23 AM
I splice an 8 foot in a 4-foot and use plates on three of the sides, works fine but this was for my tall Titan dynosoar which only weighs 5 lb and...
10 replies | 645 view(s)
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19th April 2018, 03:57 PM
George Rachor got a cell phone video of flight number 2 on the UFO, still slightly tail heavy and a bit too munch control throw, but you can see the...
423 replies | 78181 view(s)
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19th April 2018, 06:01 AM
Got some great test flights in today, the XL-5 was perfect as is, one flight and done. The UFO was tail heavy, I needed two flights to get it to be...
423 replies | 78181 view(s)
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19th April 2018, 05:23 AM
Hey - Voldemort's not THAT bad!!!
11 replies | 678 view(s)
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19th April 2018, 12:14 AM
I believe that it is "AMW Style" case, which would mean the specs. I currently have an M840 sat loaded in a 7600 case with the hubcap and one...
27 replies | 550 view(s)
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18th April 2018, 11:55 PM
have you thought about Snap ring hardware and the CTi HubCap?
27 replies | 550 view(s)
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18th April 2018, 08:08 PM
Yes, I think it was your warning that got me to check thrustcurve and notify John. It's also somewhat hazardous when people buy E-15PW thinking they...
23 replies | 362 view(s)
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18th April 2018, 08:03 PM
Exactly what I was saying however I had to get John to update the thrustcurve site with the E-20 data in the E-15 entry becuse it still had the old...
23 replies | 362 view(s)
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18th April 2018, 07:15 PM
You could also consider clear polycarbonate fins as well and trim them down, and leave them clear or cover them if you like the look.
54 replies | 1513 view(s)
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18th April 2018, 05:16 PM
These are aerotech E-15's? Those aren't E-15's any more they are rebranded E-20's so I'd do a sim with E-20 and see what openrocket tells you. I...
23 replies | 362 view(s)
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18th April 2018, 04:40 PM
Did you mean F-20-7 29mm as opposed to a 24mm E-20 with 7 second delay will be too long.
23 replies | 362 view(s)
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18th April 2018, 06:32 AM
Here is a whole thread collecting two stage builds together...
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20 replies | 572 view(s)
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17th April 2018, 11:22 PM
I thought the crusader had anhedral on the tail.
6 replies | 196 view(s)
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17th April 2018, 11:21 PM
I've flown mine on F-20-7, F-23-7, and F-27-8 which were all fine, and had a pretty close ejection to apogee, interestingly two of my trajectors went...
23 replies | 362 view(s)
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17th April 2018, 10:58 PM
i LOVE IT
We are planning an 'event' at one of our launches.... highest and fastest on 'stock' PSII, I am calling it "ShredStes"
21 replies | 739 view(s)
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17th April 2018, 10:39 PM
Pm'ified
1 replies | 182 view(s)
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17th April 2018, 02:41 PM
What's the delta between the CG and cp locations? It looks close you might want to plan for some extra margin, if you wind up tail heavy it may put...
54 replies | 1513 view(s)
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17th April 2018, 06:46 AM
And here is the fireball XL-5
423 replies | 78181 view(s)
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17th April 2018, 03:48 AM
Got my markings from stickershock, look great!
31 replies | 1028 view(s)
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17th April 2018, 12:31 AM
Looks good, yeah, keep an eye on the rail buttons to see if they are unscrewing or put a touch of locktite on the screw.
15 replies | 725 view(s)
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16th April 2018, 07:57 PM
Jack Webb in "The DI" set the standard, but Gunny definitely raised the bar and really stole full metal jacket.....
Frank
14 replies | 500 view(s)
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16th April 2018, 07:01 PM
Some vinyl added
423 replies | 78181 view(s)
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16th April 2018, 11:48 AM
That's what I was told it was ... :)
32" long and 4" (dont have exact measurement) in diameter. Snap ring grooves on the inside, but non on the...
2 replies | 171 view(s)
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15th April 2018, 11:19 PM
Loving this thread and all the different techniques.. really looking forward to possibly getting to see and fondle this beauty at one of our...
23 replies | 916 view(s)
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15th April 2018, 11:11 PM
Got all the radio components installed and painted, the Marauder weighs 10.25 oz rtf, the Fireball 11.25 oz rtf and the Invader UFO 11.375 oz rtf.
...
423 replies | 78181 view(s)
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15th April 2018, 11:09 PM
Hi what I mean to ask was did the rail button tear out or just come unscrewed and the pieces fell out? I don't usually use any glue on mine, just...
15 replies | 725 view(s)
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15th April 2018, 10:25 PM
Pete has been moving house and all sorts of rocket crap have been appearing, and then working their way over to my barn for storage.
This move has...
2 replies | 171 view(s)
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15th April 2018, 10:15 PM
I always am in full control during boost, so I don't ever use a hands off boost, there is always some wind to adjust for, not sure what your winds...
15 replies | 725 view(s)
About burkefj
- Location:
- Oregon
- Interests:
- RC, Rocketry and RC-rocketry
- Occupation:
- Microprocessor Design Engineer
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