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Sep 04, 2012, 10:58 AM
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rdwoebke's Avatar
Quote:
Originally Posted by clipper
Do you know the thread for converting DLG to S8E?
The Greg Stewart thread is good. Also search for a Colibri conversion thread in this forum.

There isn't a ton of S8E contests nor a ton of information on models. This is a small hobby that is a conversion point of people interested in competition model rockets and RC sailplanes. There are maybe 2 dozen people in the USA that are actively doing this stuff. Honestly your best bet is to just post questions and give information on what you are currently flying and what you are interested in trying out. Not having background on a person's current skill set, what you can build, what you want to build, etc. we can't really give a lot of advice.

Ryan
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Sep 04, 2012, 11:25 AM
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Rocket boosted glider "SEAGULL 40", weight 50g. It is designed as a kit. Motors: HELIUM10 0.5A1.2-0 A1.2-0 B1.1-0

seagull 70 01 (0 min 33 sec)
seagull 70 02 (0 min 28 sec)

seagull 70 (2 min 7 sec)
Sep 11, 2012, 11:53 AM
Registered User
S8E/P rocket boost gliders at World Championships in Space Modelling - Slovakia 2012:

FAI World Championships Space Modelling 2012 S8EP (39 min 20 sec)




S7 (Scaled Rockets) movies are also available:
FAI Space Modelling World Championships 2012, S7 Day - part 1 (30 min 36 sec)

FAI Space Modelling World Championships 2012, S7 Day, part 2 (13 min 22 sec)
Sep 12, 2012, 01:40 PM
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kmj73us's Avatar
I only managed to take 2 quick videos during the S8 rounds. As the new guy on the team I was helping out everywhere I could.

S8Ep launch at WSMC. (0 min 18 sec)


Russian S8Ep model (0 min 8 sec)


Seemed to me that the RSO was pretty lenient on the boost angle, but he was very consistent through all the rounds which was good. You really had to blow a boost like the one in the early part of your video.

kj
Sep 12, 2012, 08:17 PM
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Thanks mvpricop and kj for the videos!

Richard
Sep 13, 2012, 01:20 AM
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clipper's Avatar

S8E motors


What motors are they using at the S8E competitions?
Sep 13, 2012, 08:11 AM
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kmj73us's Avatar
Quote:
Originally Posted by clipper
What motors are they using at the S8E competitions?
I saw a lot of E4 motors by Ultra (from Serbia) and MRK (from Germany).

I was able to fly a bunch in my glider on the rest day. The Ultras to me are like the Quest D5's. They have a fairly low initial spike and take a little bit of time to really get going. The MRK's had a better initial spike and got the plane going faster out of the gate.

The US team used motors from Aerotech, similar to the E6 RC RMS load.

kj
Oct 01, 2012, 12:31 AM
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clipper's Avatar
"The US team used motors from Aerotech, similar to the E6 RC RMS load."

kmj73us, How is the Team getting the RMS E6 RC motors to Europe? I thought the motor casing had to be non-metalic?

Thanks, Eric
Oct 01, 2012, 06:28 AM
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rdwoebke's Avatar
It is a single use E6 type motor with a typical phenolic case. Apogee used to or maybe still sells a similar single use e6 made by areotech.

Ryan
Oct 02, 2012, 01:40 PM
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Helium-17 motor family, composite propellant, 17 mm case, up to E class.
Initial mass of E5-0 about 35 g. Test firing Helium17 D4-5 on video. Burn Time 5.35 s, Length 67 mm, Initial mass 23.7 g.

HELIUM-17 D4-5.MTS (0 min 24 sec)
Oct 02, 2012, 05:53 PM
Registered User
Are you planning to manufacture/export these?

Richard
Oct 03, 2012, 11:03 AM
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Quote:
Originally Posted by The Tellurian
Are you planning to manufacture/export these?

Richard
Dear Richard, this is the main purpose of the work. For this moment motors have been certified and are available for educational and sports organizations in Russia.

Serge.
Last edited by Round; Oct 03, 2012 at 11:23 AM.
Oct 04, 2012, 02:47 PM
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burkefj's Avatar
We had beautiful weather in oregon this weekend for our launch near Sheridan Oregon. I was able to bring out a literal van load of rocket gliders and here are some great photos by Gary Goncher...These are all 72-80" long and depron based. AUW ranges from 24 ounces for the inteR/Ceptor with G-12, 38 ounces for the Bomarc on a G-33, and 36 ounces for the X-15 on a G-40.

Frank
Last edited by burkefj; Mar 31, 2015 at 08:37 PM.
Oct 04, 2012, 05:06 PM
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ttabbal's Avatar
Quote:
Originally Posted by burkefj
We had beautiful weather in oregon this weekend for our launch near Sheridan Oregon. I was able to bring out a literal van load of rocket gliders and here are some great photos by Gary Goncher...These are all 72-80" long and depron based. AUW ranges from 24 ounces for the interceptor with G-12, 38 ounces for the Bomarc on a G-33, and 36 ounces for the X-15 on a G-40.

Frank
Great pics and some really nice gliders. I don't suppose there are plans about to build something like that are there?


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