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Iran unveils mockup of their one-man ship

xenomorph555

By xenomorph555
in Science & Spaceflight

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xenomorph555

xenomorph555

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Soyuz has more internal volume than the Apollo CM.

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"Service module" is a bit of an overstatement. It only needs to carry life support for a few minutes of flight and some fuel for the RCS thrusters at the top. Those tanks in the mockup look like they're just for show. It probably also acts as a crumple zone for the landing, if lands on solid ground with parachutes, it's going to need it.

1. Yeah I know it has more volume (although that's only when in it's full form with the orbital module), I was trying to comment praise for the Soviets great, efficient engineers for being capable of building such a small and capable capsule.

2.My comment about the "service section" was to question the aerodynamics. However I have been informed it wouldn't cause many problems so that's good.

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magnemoe

magnemoe

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Soyuz has more internal volume than the Apollo CM.

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"Service module" is a bit of an overstatement. It only needs to carry life support for a few minutes of flight and some fuel for the RCS thrusters at the top. Those tanks in the mockup look like they're just for show. It probably also acts as a crumple zone for the landing, if lands on solid ground with parachutes, it's going to need it.

Yes, the correct word is fairing, using it as crumble zone for an solid ground landing after abort is smart the tanks is probably part of this. , you don't need the heatshield in that setting anyway, the consept drawing shows abort without using it but it sound smart.

The drought chute is for stability during reentry not to pull the main parachute. They also has a backup parachute, most uses 2-3 but they might be afraid they might interfere with each other.

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xenomorph555

xenomorph555

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This thread is dedicated to the update and discussion of information on the "Class E", an Iranian one man spacecraft that should fly suborbital missions in the 2016-18 period.

The Class E was announced in mid February 2015 with a mockup and will fly it's first flight in 2016. As such many update are likely to come through in the mean time, they will be posted on this thread.

Feel free to post any information, thoughts or questions you may have.

Political posts will not be tolerated though due to the nature of this sub-thread.

Ad Astra!

resized_909781_986.jpg

-UPDATE 1-

Today it was announced that an Iranian scientific university's metallurgy department had successfully produced a prototype heat shield for the Class E. They have also begun work for an orbital variant and hope to complete work within a year.

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xenomorph555

xenomorph555

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O_O unsure why this got attached to the Fajr thread

'Class E' doesn't seem a very plausible translation, given I've not heard of anything in the program referred to as class anything.

It's not a translation, that's what the capsule series designated, each capsule will be given it's own name. Unless your talking about Fajr (Dawn) because this thread got slapped on there for some reason.

EDIT:

Also if possible could the moderator please undo the attachment to Fajr, it will cause confusion :P.

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magnemoe

magnemoe

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Not too uncommon with hypergolic propulsion systems, thought it's usually rocket stages rather than actual satellites. 30 years of nitrogen tet corrosion-->impingement on hydrazine/MMH/UDMH tank-->boom.

Yes, this is why its standard to have the satelite finish the circulation itself or have the transfer stage do an final burn to lower its Pe after releasing the satellite, even if it don't cause significant orbit delay it will empty it for fuel so it don't blow up.

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xenomorph555

xenomorph555

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\What does this have to do with the original topic?

The original one is about a satalite, the new thing is about a crew capsule

They have nothing to do with each other!

A moderator attached them by mistake.

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THANKYOU, grand work moderator this is much better, kudos to you :)

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xenomorph555

xenomorph555

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That moment when Iran has a better space program than your country... Grim perspective for an aspiring aerospace engineer such as myself.

From Brazil, BTW.

At least you have an active space program, here in the UK the government would prefer to waste money on really bad projects.

You'll get there one day:)

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