Recent Topics
Rear wheel drive vehicles
by lawman1909
09/19/14 06:24 PM
Nissan CVT fluid with 40k miles on it (PIC)
by mcrn
09/19/14 06:23 PM
Valvoline Nitro-Shot Fuel Treatment
by Warstud
09/19/14 06:06 PM
Oil advice... New Hyundai LWB Santa Fe
by RamAir5
09/19/14 05:59 PM
Schumacher 10/6/2-Amp Battery Charger $22.63
by Warstud
09/19/14 05:57 PM
new injectors = significant increase in MPG
by Donald
09/19/14 05:28 PM
VW Motor Oil
by redbone3
09/19/14 04:59 PM
Castrol Edge (Black Bottle) now with titanium?
by 209paulc
09/19/14 04:39 PM
Yukon pinion and carrier bearings....
by kenwin30
09/19/14 04:31 PM
Some really interesting state rankings
by Apollo14
09/19/14 04:29 PM
Parents got a new used truck...
by 01rangerxl
09/19/14 04:07 PM
Harbor Freight weekend blowout sale
by L_Sludger
09/19/14 03:36 PM
Newest Members
FabSpecialists, Sanddog, 87Diesel, genericnj, Quickvr4
51341 Registered Users
Who's Online
114 registered (19jacobob93, 97tbird, actionstan, 6starprez, 901Memphis, 97f150, 10 invisible), 1625 Guests and 248 Spiders online.
Key: Admin, Global Mod, Mod
Forum Stats
51341 Members
64 Forums
219487 Topics
3464104 Posts

Max Online: 2862 @ 07/07/14 03:10 PM
Donate to BITOG

Page 1 of 2 1 2 >
Topic Options
#3425794 - 07/15/14 06:33 PM Duke engine......better design?
mcrn Online   content


Registered: 11/30/05
Posts: 2450
Loc: FL
http://sploid.gizmodo.com/this-is-the-we...dium=socialflow

I searched and could not see that this had been previously posted.

Top
#3425852 - 07/15/14 07:22 PM Re: Duke engine......better design? [Re: mcrn]
sicko Offline


Registered: 09/22/08
Posts: 921
Loc: Virginia
That first image is seriously cool to look at.


Top
#3425867 - 07/15/14 07:36 PM Re: Duke engine......better design? [Re: mcrn]
webfors Offline


Registered: 06/06/06
Posts: 3646
Loc: Ottawa
Awesome! I would love to see this engine in production.
_________________________
08 Forester 5mt, AFE 0w30, XG7317
13 Dodge GC, VWB 5w20, Mopar OF
13 Suzuki SFV650, OEM 10w40, OEM OF
All small engines; RT5 10w30

Top
#3425910 - 07/15/14 08:14 PM Re: Duke engine......better design? [Re: mcrn]
gregk24 Offline


Registered: 04/13/13
Posts: 2718
Loc: FL, USA
Wow, looks pretty cool. Not sure how reliable things would be though. Looks like it could have sealing issues.
_________________________
2006 Honda Accord LX 2.4 i-vtec 124K
HGSB 0w20 Fram Ultra
NXT: M1 0w20

2005 Chevy Uplander 3.5 116K
Castrol Edge EP 10w30 Fram Ultra
NXT: M1 HM 5w30

Top
#3425914 - 07/15/14 08:18 PM Re: Duke engine......better design? [Re: mcrn]
Quest Offline


Registered: 12/19/04
Posts: 6352
Loc: beaver land EH?
mechanical complexity, coupled with sealing problems (just like wenkel engines), will plague this design in production mode.

Q.
_________________________
"Internet discussion boards act as echo chambers for conspiracy dittoheads" A.Allen

Top
#3425916 - 07/15/14 08:24 PM Re: Duke engine......better design? [Re: gregk24]
Nick1994 Online   content


Registered: 02/19/13
Posts: 1029
Loc: Phoenix, AZ
Originally Posted By: gregk24
Wow, looks pretty cool. Not sure how reliable things would be though. Looks like it could have sealing issues.


That's what I thought. After many years of use, things are gonna start losing their pressure, metal will fatigue and the whole engine will need replaced. Interesting concept though.
_________________________
2004 VW Beetle TDI 160k
(Yeah it's a chick car but it gets me 40 mpg)

Top
#3425949 - 07/15/14 08:46 PM Re: Duke engine......better design? [Re: mcrn]
Win Offline


Registered: 02/05/03
Posts: 3323
Loc: Arkansas
Looks like a wobble plate type of air conditioning compressor.

With spark plugs.
_________________________
09 Torrent 3.6 V6 Fram 5/30
09 Solstice 2.4 I4 Fram 5/30
08 G8 3.6 V6 M1 0/40
04 Xj8 4.2 V8 Fram 5/30
99 S-10 2.2 I4
94 Xj12 6.0 V12

Top
#3425950 - 07/15/14 08:47 PM Re: Duke engine......better design? [Re: mcrn]
Chris142 Online   content


Registered: 06/05/03
Posts: 11327
Loc: apple valley, ca
very similar to many a\c compressors
_________________________
02 Wrangler super-s 1030
87 F250 Diesel proline 1540
04 Tahoe STHM 1030
Z400 maxima 2050
KLR250 Maxima 1040
Polaris Trailblazer delo 5w40

Top
#3425952 - 07/15/14 08:50 PM Re: Duke engine......better design? [Re: mcrn]
Subdued Offline


Registered: 10/06/13
Posts: 282
Loc: Youngstown, NY
that's a technological terror if I've ever seen one

Top
#3425979 - 07/15/14 09:11 PM Re: Duke engine......better design? [Re: Chris142]
scurvy Offline


Registered: 02/19/07
Posts: 2269
Loc: Chicago IL USA
Originally Posted By: Win
Looks like a wobble plate type of air conditioning compressor.

Originally Posted By: Chris142
very similar to many a\c compressors


Quite right. Same design as many existing AC compressors, which work beautifully. No reason it couldn't be adapted to work with spark or compression ignition.
_________________________
You are entitled to your own opinion but not your own facts.

06 VW Golf TDI - Mobil Delvac 1300 15w40, HU726/2x, EaBP90
12 Mazda 5 - M1 0W20, FL910S

Top
#3426249 - 07/16/14 07:38 AM Re: Duke engine......better design? [Re: Win]
Trav Offline


Registered: 11/20/06
Posts: 9627
Loc: MA, Mittelfranken.de
Originally Posted By: Win
Looks like a wobble plate type of air conditioning compressor.

With spark plugs.

Just did a Sanden and it looked just like this 7cyl.
_________________________
ASE L1, Master. Deutsch Meisterbrief.

Top
#3426363 - 07/16/14 10:32 AM Re: Duke engine......better design? [Re: mcrn]
morris Offline


Registered: 08/24/08
Posts: 3681
Loc: ks, wichita
just count the weight of the moving parts. that will tell you all you need to know.

Top
#3427006 - 07/16/14 09:39 PM Re: Duke engine......better design? [Re: mcrn]
Ram01 Offline


Registered: 10/13/10
Posts: 603
Loc: New York Queens
Wonder what weight oil that motor takes

Top
#3427035 - 07/16/14 10:24 PM Re: Duke engine......better design? [Re: mcrn]
Kiwi_ME Offline


Registered: 10/24/08
Posts: 670
Loc: New Zealand
I should be patriotic but I think it's a nightmare too. Oddly the animated GIF shows the block stationary while the video shows it rotating, as it needs to, to move pistons past the ports and spark plugs. Perhaps the crank turns at twice head speed for a 4-stroke cycle.
Sealing the head under combustion pressure along with the complex machining of the wobble plate and con rods make it unattractive to me. And the touted advantages of balance and part count answer questions nobody has actually asked.

Compressors use this type of idea (wobble plate with a large number of small cylinders) to avoid pressure pulses in the input/output, hardly an issue in an IC engine where small cylinders have the disadvantage of high heat loss.

Top
#3427134 - 07/17/14 04:09 AM Re: Duke engine......better design? [Re: mcrn]
bruno Offline


Registered: 10/08/07
Posts: 385
Loc: new Jersey
Back in the '50s this was tried .... it was called a Swash Plate design . Fine for clean conditions like AC compressors but otherwise it was a dud .

Just because it can be done doesn't mean it's worth doing .


Edited by bruno (07/17/14 04:11 AM)

Top
#3429787 - 07/20/14 12:42 AM Re: Duke engine......better design? [Re: bruno]
Quest Offline


Registered: 12/19/04
Posts: 6352
Loc: beaver land EH?
Originally Posted By: bruno
Back in the '50s this was tried .... it was called a Swash Plate design . Fine for clean conditions like AC compressors but otherwise it was a dud .

Just because it can be done doesn't mean it's worth doing .


+1 with what Bruno said.

Remember: unlike sealed A/C compressor, which runs in a sealed, uncontaminated environment lubricated with compressor oil, etc. (which remains uncontaminated/not deteriorated) for a long, long time; exposing to fuel and air, and dirt in air (abrasion), combustion byproducts, blowby, moisture/condensation, etc. there will be no guarantee on how long/reliable such design would be, and also the inherent energy conversion efficiency also.

Just because it looks good in theory doesn't mean it would be meaningful/practical in real-life situation.

Afterall: we have been constantly refining/improving the venerable internal reciprocating combustion engine design for a century now, it would be challenging to start from scratch to design something even better...

I know it's not 100% impossible, but it would be challenging.

Q.
_________________________
"Internet discussion boards act as echo chambers for conspiracy dittoheads" A.Allen

Top
#3430544 - 07/20/14 07:38 PM Re: Duke engine......better design? [Re: mcrn]
Shannow Online   content


Registered: 12/12/02
Posts: 26496
Loc: a prison island

Top
#3433464 - 07/23/14 02:30 PM Re: Duke engine......better design? [Re: mcrn]
A_Harman Offline


Registered: 10/01/10
Posts: 4190
Loc: Michigan
Google search barrel engines and read up on their long, unsuccessful history.
_________________________
1985 Z51 Corvette track car
2002 Camaro Z28 LS1/6-speed
2001 Dodge Ram 2500 diesel
1972 GMC 1500 shortbed project truck

Top
Page 1 of 2 1 2 >