Author Topic: APS/Ω Gas turbine bike build  (Read 599069 times)

0 Members and 1 Guest are viewing this topic.

Offline Glen

  • Global Moderator
  • Hero Member
  • ***
  • Posts: 7009
  • Age: 84
  • Location: South West Utah
  • SCTA/BNI timer 1983 to 2004, Retired,. Crew on Tur
Re: APS/Ω Gas turbine bike build
« Reply #1245 on: February 20, 2016, 03:55:15 PM »
Go Fast, be safe. Really pulling for you and a record. :cheers:
Glen
Crew on Turbinator II

South West, Utah

Offline Mobacken Racing

  • Sr. Member
  • ****
  • Posts: 848
  • Age: 37
  • Location: Östersund - Sweden
  • Turbine junkie
    • Mobacken Racing
Re: APS/Ω Gas turbine bike build
« Reply #1246 on: February 21, 2016, 12:03:48 AM »
Go Fast, be safe. Really pulling for you and a record. :cheers:

The jet kick hasn´t got what it takes for a shot at the jet class record, our friends with the pulsejet sled is close to breaking the 200km/h barrier and we can hope for a 150+ run if everything lines up. The unofficial jet kick record is set by another team that bought a gas turbine from a marine boat generator and converted it to thrust, they ran 170-something km/h a couple of years ago before crashing.

Our biggest enemy is, as always in this business, drag. For next year we need to make some sort of fairing for the kick if we want to go faster, it would be really fun to beat the jet kick record and with a slick fairing and 120kg of thrust we should be able to do it. :-)

Offline Mobacken Racing

  • Sr. Member
  • ****
  • Posts: 848
  • Age: 37
  • Location: Östersund - Sweden
  • Turbine junkie
    • Mobacken Racing
Re: APS/Ω Gas turbine bike build
« Reply #1247 on: February 23, 2016, 12:24:11 PM »
Only two days until Speed Weekend and the jet kick is ready to go, so I spent last night in the workshop on the JU-02 engine.

I made the shaft tunnel casting deliberately long until I knew the exact measurements of the engine, after assembling the axial bearing and fitting the turbine shaft I could measure how much I needed to remove. On the pic I have also started to make an alignment ring so I won´t have to use dowels.



With that done I made a stainless seat for the turbine shaft piston ring seal, I will weld it to the rear NGV wall later.



Arboring the hole for the ring seat.



Here the seat is pushed in place, I have some work left to do on the NGV wall before I can weld it.



The turbine shaft fitted in the seat to test the fit.



I reached some kind of mile stone 23:30 last night when I could assemble the diffusor plate and shaft tunnel with the rotor in place!



Cheers!
/Anders

Offline saltwheels262

  • Hero Member
  • *****
  • Posts: 1076
  • Age: 65
  • Location: cumberland plateau
  • LTA 7/2013
Re: APS/Ω Gas turbine bike build
« Reply #1248 on: February 23, 2016, 04:14:24 PM »
That the future played, rotor and shaft tunnel is a piece of art.

Good luck this weekend and ride safe.

Bf262
bub '07 - 140.293 a/pg   120" crate street mill  
bub '10 - 158.100  sweetooth gear
lta  7/11 -163.389  7/17/11; 3 run avg.-162.450
ohio -    - 185.076 w/#684      
lta 8/14  - 169.xxx. w/sw2           
'16 -- 0 runs ; 0 events -- made a 2 state change in ZIP codes

" it's not as easy as it looks. "
                            - franey  8/2007

Offline Old Scrambler

  • Sr. Member
  • ****
  • Posts: 689
  • Age: 72
  • Location: Wherever I park the RV
  • Going Fast - Slowly
Re: APS/Ω Gas turbine bike build
« Reply #1249 on: February 23, 2016, 04:43:09 PM »
Vertualy HAND-MADE.........marvelous, simply marvelous :-)
2011 AMA Record - 250cc M-PG TRIUMPH Tiger Cub - 82.5 mph
2013 AMA Record - 250cc MPS-PG TRIUMPH Tiger Cub - 88.7 mph
2018 AMA Record - 750cc M-CG HONDA CB750 sohc - 136.6 mph
2018 AMA Record - 750cc MPS-CG HONDA CB750 sohc - 143.005 mph
2018 AMA Record - 750cc M-CF HONDA CB750 sohc - 139.85 mph
2018 AMA Record - 750cc MPS-CF HONDA CB750 sohc - 144.2025 mph

Chassis Builder / Tuner: Dave Murre

Offline saltwheels262

  • Hero Member
  • *****
  • Posts: 1076
  • Age: 65
  • Location: cumberland plateau
  • LTA 7/2013
Re: APS/Ω Gas turbine bike build
« Reply #1250 on: February 23, 2016, 05:19:29 PM »
That the future played, rotor and shaft tunnel is a piece of art.

Good luck this weekend and ride safe.

Bf262
I usually proofread.

~~ it should have read the diffuser plate, rotor and shaft tunnel ~~
       That will happen with voice commands.
bub '07 - 140.293 a/pg   120" crate street mill  
bub '10 - 158.100  sweetooth gear
lta  7/11 -163.389  7/17/11; 3 run avg.-162.450
ohio -    - 185.076 w/#684      
lta 8/14  - 169.xxx. w/sw2           
'16 -- 0 runs ; 0 events -- made a 2 state change in ZIP codes

" it's not as easy as it looks. "
                            - franey  8/2007

Offline salt27

  • Hero Member
  • *****
  • Posts: 1372
  • Age: 62
  • Location: S.W. Orygun
Re: APS/Ω Gas turbine bike build
« Reply #1251 on: February 23, 2016, 05:45:18 PM »
That the future played, rotor and shaft tunnel is a piece of art.

Good luck this weekend and ride safe.

Bf262
I usually proofread.

~~ it should have read the diffuser plate, rotor and shaft tunnel ~~
       That will happen with voice commands.

I like the first post, it sounded prophetic.   :-D

Offline Mobacken Racing

  • Sr. Member
  • ****
  • Posts: 848
  • Age: 37
  • Location: Östersund - Sweden
  • Turbine junkie
    • Mobacken Racing
Re: APS/Ω Gas turbine bike build
« Reply #1252 on: February 24, 2016, 02:03:16 AM »
That the future played, rotor and shaft tunnel is a piece of art.

Good luck this weekend and ride safe.

Bf262
I usually proofread.

~~ it should have read the diffuser plate, rotor and shaft tunnel ~~
       That will happen with voice commands.

I was a bit curious about what you meant, now I get it.  :-D

Thanks guys, I try my best to make the build interesting to follow despite the numerous closeup pics of engine parts unknown to any other than the builder himself. :-)

Cheers!
/Anders

Offline bbarn

  • Sr. Member
  • ****
  • Posts: 618
  • Age: 49
  • Location: Harmony, PA
Re: APS/Ω Gas turbine bike build
« Reply #1253 on: February 24, 2016, 09:23:48 AM »
I don't know about the rest of the crew here but when I see a post in your build thread I get excited!!!!

It's a good day when you post updates Anders!
I almost never wake up cranky, I usually just let her sleep in.

Offline Mobacken Racing

  • Sr. Member
  • ****
  • Posts: 848
  • Age: 37
  • Location: Östersund - Sweden
  • Turbine junkie
    • Mobacken Racing
Re: APS/Ω Gas turbine bike build
« Reply #1254 on: March 01, 2016, 03:51:30 PM »
I don't know about the rest of the crew here but when I see a post in your build thread I get excited!!!!

It's a good day when you post updates Anders!

That is good to hear!  :-)

I just got home from Speed Weekend on Ice here in Sweden, I´ve posted some info in the landracing.se subforum but here is the friday movie where we ran 139.2km/h with the jet kick sled.

https://youtu.be/-saNDl5U8ZE

Not bad at all for a home built sled standing on the runners 2cm from the ground, but if it weren´t for oil pressure problems we could have gone much faster on Saturday when we increased both turbine revs and afterburner fuel rate dramatically. 8-)

Cheers!
/Anders

Offline tauruck

  • Hero Member
  • *****
  • Posts: 4883
  • Location: Johannesburg, South Africa
Re: APS/Ω Gas turbine bike build
« Reply #1255 on: March 02, 2016, 07:23:32 AM »
Rocket man!!!!!. That must be a wild ride. :-D :cheers: :cheers: :cheers:

Offline Buickguy3

  • Hero Member
  • *****
  • Posts: 1026
  • Age: 74
  • Location: Columbus,Mt.
Re: APS/Ω Gas turbine bike build
« Reply #1256 on: March 02, 2016, 08:16:21 AM »
  If his feet slip, it'll be fried cajones.
  Doug  :cheers: :cheers: :cheers:
I keep going faster and faster and I don't know why. All I have to do is live and die.
                   [America]

Offline Mobacken Racing

  • Sr. Member
  • ****
  • Posts: 848
  • Age: 37
  • Location: Östersund - Sweden
  • Turbine junkie
    • Mobacken Racing
Re: APS/Ω Gas turbine bike build
« Reply #1257 on: March 05, 2016, 12:28:57 AM »
Actually it is a quite pleasant ride according to him, at least compared to the earlier jet kick we built that didn´t have a suspended engine cradle. That one was a wild ride, luckily it didn´t go much faster than 100km/h......

Offline Mobacken Racing

  • Sr. Member
  • ****
  • Posts: 848
  • Age: 37
  • Location: Östersund - Sweden
  • Turbine junkie
    • Mobacken Racing
Re: APS/Ω Gas turbine bike build
« Reply #1258 on: March 12, 2016, 07:44:18 AM »
I´ve been up to my neck in work since Speed Weekend but I managed to find a couple of minutes to reroute the oil tank vent line into some sort of ejector in the exhaust pipe, the idea is that this will maintain a slight under pressure in the tank to assist in scavenging oil from the engine and gear box.



Cheers!
/Anders

Offline Mobacken Racing

  • Sr. Member
  • ****
  • Posts: 848
  • Age: 37
  • Location: Östersund - Sweden
  • Turbine junkie
    • Mobacken Racing
Re: APS/Ω Gas turbine bike build
« Reply #1259 on: March 21, 2016, 06:06:08 PM »
Thanks to a hint from PorkPie I have reconsidered the ejector style oil tank vent, the risk of setting the oil smoke on fire and on top of that risk pulling oil up through the hose with the under pressure created I decided to make a separate ventilation instead. I spent a couple of hours in the workshop building a catch tank for the oil tank vent tonight.



Since my foot will be on the footpeg there isn´t room for a larger volume catch tank but I think this will do, a nice big breather filter on top will let any air trapped in the oil tank out quickly.



As soon as the weather improves and I find a couple of hours of spare time I will roll the bike out for a test start!

Cheers!
/Anders