Weekly Aircraft Development Competition

[MiffedStarfish]

3 hours ago, Joseph Kerman said:

After 3 craft have been submitted, they will (hopefully) be analyzed by me. The winner will be the one who hits the highest altitude, speed, and burn efficiency. 

So may the best one win!!! 

Really interesting idea, but that's not really how scoring works... it's done by a poll. And there is no limit to entries, as that's no fun.

[Joseph Kerman]

5 hours ago, MiffedStarfish said:

Really interesting idea, but that's not really how scoring works... it's done by a poll. And there is no limit to entries, as that's no fun.

The limit's not 3 submissions, that is the minimum. That means I would evaluate them tourney style. 

[Ozelui]

http://imgur.com/a/UDtGG

https://kerbalx.com/Ozelui/Owl-mk-1

The Owl can fly around 20 minutes between sea level and ~5000 m.  Aproximate range at that altitude:  350-370 km

Size:  Height:  4.7 m  Width:    23.6 m    Length:   23.2 m.

Weight:   49.006 tons.

Ceiling:  Space  ( However, i wouldn't recommend trying a reentry with it lol )

Crew:   2.  Passengers:  4.

Cost:  40.432

 

Spoiler

This was my first attempt, unfortunately it has very little range

 

Edited July 16, 2017 by Ozelui

[Joseph Kerman]

Hmmm... Very interesting how you started with a prop design. 

[Guest]

On 7/9/2017 at 9:18 PM, Vexnium said:

As you wish

Week 7:

Topic: Gliding

You are to design a glider provides pastime to Astronauts and/or for tourist to KSC. 

To test, you can choose the starting point —— on mountain peak, tow by another plane or even take-off itself.

In KSP, you can not soaring a Glider with thermal column or any other advanced aerodynamics, so the engines

are unprohibited, but you must ensure that the aircraft is gliding unpowered.

Crew: at least one pilot.

Range: able to tour around KSC

Speed, weight and size are unlimited as long as its capable to glide.

When you said "as you wish", were you taking about me?

[NotAnAimbot]

B-2R

https://www.dropbox.com/s/hmnza9ge75bkvxx/B-2R.craft?dl=0

 

Bad flight management leads to splash down, but it has more than enough range for the requirements.

Re-entry is probably possible with a good approach, but this one wasn't.

http://imgur.com/a/rcFWf

[KenjiKrafts]

On 7/16/2017 at 5:31 AM, Joseph Kerman said:

Requirements: You must build a rocket plane that could take off under it's own power, fly for at least 6 minutes, and glide back to the Runway or make a trip to the Old Airbase. 

Does this mean engines engaged for six mins or six mins of total airtime??

And are rapiers allowed in the air breathing format?

[Joseph Kerman]

1 hour ago, KenjiKrafts said:

Does this mean engines engaged for six mins or six mins of total airtime??

And are rapiers allowed in the air breathing format?

6 mins burn time.

Only dedicated rocket engines, air-breathing rockets kill the spirit of the challenge.

[Vexnium]

CA655 Rocket propulsion aircraft  Failed

CA656 Rocket propulsion aircraft

Crew	1 Pilot
Length	15.7m
Width	30.4m
Height	3.2m

·Intakes are only for decoration.·Able to fly 7min30sec with max throttle. 

·Most of the fuel is stored in the wing.

·Entering space is highly not recommended due to its layout.

·Improved version of CA655, has better fuel efficiency but worse acceleration.

Edited July 18, 2017 by Vexnium

[Joseph Kerman]

3 hours ago, Vexnium said:

CA655 Rocket propulsion aircraft

http://imgur.com/a/Vbrjq

Cockpit Crew	1
Length	15.7m
Span	30.4m
Height	3.2m
OEW	11,170 kg
Fuel Capacity	16,436 kg Liquid Fuel / 20,087 kg Oxidizer

·Able to fly ~5mins with max throttle. 

·Intakes are only for decoration.

·Most of the fuel is stored in the wing.

·Entering space is highly not recommended due to its layout.

I'm sorry,  but you have to burn for a minimum of 6 minutes. 

[Vexnium]

52 minutes ago, Joseph Kerman said:

I'm sorry,  but you have to burn for a minimum of 6 minutes. 

But you can't keep the max throttle for 5 minutes or the aircraft will burn down! KS-25"Vector" is a very powerful engine even when tweaked smaller. It can maintain cruise with only 1/3 throttle.

I'll redesign it.

Edited July 18, 2017 by Vexnium

[Ozelui]

57 minutes ago, Joseph Kerman said:

I'm sorry,  but you have to burn for a minimum of 6 minutes. 

So, it has to be 6 minutes at full throttle?  I never measured how long the fuel lasts at full throttle... because i didn't need that much thrust for low level flight and it takes quite a bit more time to reach space and come back.

[Joseph Kerman]

Just now, Ozelui said:

So, it has to be 6 minutes at full throttle?  I never measured how long the fuel lasts at full throttle... because i didn't need that much thrust for low level flight and it takes quite a bit more time to reach space and come back.

Yes. I don't really want people to cheat the challenge by pulling down the limiter or testing at 50%.

Edited July 18, 2017 by Joseph Kerman

[MiffedStarfish]

Quote

fly for at least 6 minutes

It should be able to maintain (and possibly increase) speed and altitude for six minutes. That's basically the definition of flight.

Edited July 18, 2017 by MiffedStarfish

[Vexnium]

3 minutes ago, Joseph Kerman said:

Yes. I don't really want people to cheat the challenge by pulling down the limiter or testing at 50%.

done

[Joseph Kerman]

Just now, MiffedStarfish said:

It should be able to maintain (and possibly increase) speed and altitude for six minutes. That's basically the definition of flight.

The Komet is the first rocket plane, and it didn't have throttleable engines. It lasts for about 8 minutes.

P.S. I dunno why WT removed 2 minutes from the tank.

[Ozelui]

18 minutes ago, Joseph Kerman said:

Yes. I don't really want people to cheat the challenge by pulling down the limiter or testing at 50%.

* Shrugs * ok, then i will cheat it by using less and smaller engines... so more weight for LFO and more time to burn it (15 min) XD

http://imgur.com/a/oHKwf

[NotAnAimbot]

3 hours ago, Joseph Kerman said:

The Komet is the first rocket plane, and it didn't have throttleable engines. It lasts for about 8 minutes.

It also weighs only 4 tons and only has a 400 kg thrust engine, or 3.9 kN

[Guest]

3 hours ago, Ozelui said:

* Shrugs * ok, then i will cheat it by using less and smaller engines... so more weight for LFO and more time to burn it (15 min) XD

http://imgur.com/a/oHKwf

Well.. that's fine right?

[Joseph Kerman]

@dundun92 make the poll,  I will make the compariaon. 

[Guest]

He will do it tomorrow. Sorry

[MiffedStarfish]

@Joseph Kerman can't you make the poll? It takes less than five minutes.

[Guest]

Just let dundun92 do it without fuss!

 

3 minutes ago, dundun93 said:

He will do it tomorrow. Sorry

I meant 3:00PM Today 

[MiffedStarfish]

It's not really a fuss... I'd just prefer if it's done today because we're actually on time right now.  Are there going to be any last minute entries? As I just made a poll.

[Guest]

1 minute ago, MiffedStarfish said:

It's not really a fuss... I'd just prefer if it's done today because we're actually on time right now.  Are there going to be any last minute entries? As I just made a poll.

No. Going to bed now. Bye!