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08-29-2005, 06:40 PM
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Join Date: Aug 2005
Location: savannah
Posts: 355
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alternative converts?
I'm curious if anyone has reconsidered the Lycoming powerplant recently as a result of fuel prices. My most recent purchase (about 2 weeks ago) of 100LL was $3.49/gallon. The deltahawk or similar diesel or kerosine or jet fuel burning powerplant is looking increasingly attractive as avgas continues to become increasingly expensive.
james kleen
rv8 wings
savannah
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08-29-2005, 11:32 PM
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Join Date: Jan 2005
Posts: 4,283
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Have you priced other fuels
The price difference was never enough for me to go to auto gas. For all the hassle and potential problems, which can and has caused loss of power for some, it is not worth it. The max difference was about a $1.00, now I think the difference is not even that great.
As far as Jet A or other fuel - is there a big difference? NO, it cost about the same, may be 15 cents cheaper, whipee. (ref. Airnav fuel summary 8/30/2005). Jet A will go up with Avgas. G
Last edited by gmcjetpilot : 08-30-2005 at 03:08 AM.
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08-29-2005, 11:37 PM
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Join Date: Mar 2005
Posts: 182
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Wilksch WAM-120
In England we have the same problem, only worse! 100LL is around $6.50/gallon and Avtur is more like $2.50. I have a Wilksch WAM-120 diesel engine (and FWF kit) on order for delivery at the beginning of December.
They are now shipping production engines, and have two demo aircraft flying, but I don't think any customers are flying yet. I've seen four engines installed in customer aircraft (and three of them ground run) so there should be a whole lot more flying soon.
www.wilksch.com
Dave |
08-30-2005, 12:12 AM
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Join Date: Aug 2005
Location: Pasadena CA
Posts: 2,484
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I looked at the deltahawk website earlier today. I just don't think their numbers are representive of real operating numbers. The only real savings I saw were the overhaul numbers and about half of the fuel cost. Their ESTIMATED overhaul is 5000, and I know my Lyc will be around 10k. first off, no one is pay 32K for a new Lyc, even a IO-390. Overhaul cost is around 10K for an average overhaul, not 18K. 10gph is not running LOP at all on the Lyc. Spark plugs might need replacement after about 700 HR's not 200... I'd say your actualy savings is <10K in the first 2000 HR's. I'd rather have the tried and true lyc, than be the beta tester of new technology. To say nothing over complexity of installation. You'd have to be planing on the diesal from day 1 to get the fuel system installation correct.
Last edited by osxuser : 08-30-2005 at 07:32 AM.
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08-30-2005, 06:14 AM
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Join Date: Jan 2005
Location: SC
Posts: 12,887
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Keep us posted!
Quote:
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Originally Posted by Dave_Boxall
In England we have the same problem, only worse! 100LL is around $6.50/gallon and Avtur is more like $2.50. I have a Wilksch WAM-120 diesel engine (and FWF kit) on order for delivery at the beginning of December.
They are now shipping production engines, and have two demo aircraft flying, but I don't think any customers are flying yet. I've seen four engines installed in customer aircraft (and three of them ground run) so there should be a whole lot more flying soon.
www.wilksch.com
Dave |
Dave,
Good luck with your WAM-120 and please keep us updated as you move along with the installation and flight testing. Do you have a web site so we can check up on your progress from time to time?
Fuel prices are the reason I chose the -9 and its smaller engine options. I was actually looking for an O-235 when I found the O-290-D2.
__________________
Bill R.
RV-9 (Yes, it's a dragon tail)
O-360 w/ dual P-mags
Build the plane you want, not the plane others want you to build!
SC86 - Easley, SC
www.repucci.com/bill/baf.html
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08-30-2005, 08:29 AM
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Join Date: Jun 2005
Location: Milwaukee, WI area
Posts: 2,967
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[quote=Dave_Boxall]In England we have the same problem, only worse! 100LL is around $6.50/gallon and Avtur is more like $2.50.
Dave,
i've heard of this Avtur, but what is it exactly?
jet A is almost as expensive as avgas at my airport. avgas is now $4.09/gal. and jet A is about $3.92!! KBMI, Bloomington, IL i work at the fbo, and my discount hardly makes it worth it!!
__________________
Chad Jensen
Astronics AES, Vertical Power
RV-7, 5 yr build, flew it 68 hours, sold it, miss it.
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08-30-2005, 10:37 AM
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Join Date: Mar 2005
Posts: 182
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Avtur.
Avgas = 100 LL, Avtur = Jet A1
Dave,
i've heard of this Avtur, but what is it exactly?
I don't have a website for our RV-9A build, but as soon as we get the Wilksch hung I'll post a picture!
Dave
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08-30-2005, 12:58 PM
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Join Date: Jun 2005
Location: Milwaukee, WI area
Posts: 2,967
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aaahhhh yes...thanks dave.
__________________
Chad Jensen
Astronics AES, Vertical Power
RV-7, 5 yr build, flew it 68 hours, sold it, miss it.
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08-30-2005, 12:59 PM
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Join Date: Jan 2005
Location: SC
Posts: 12,887
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Quote:
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Originally Posted by Dave_Boxall
... as soon as we get the Wilksch hung I'll post a picture!
Dave
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Great, we look forward to seeing and hearing your first flight report.
__________________
Bill R.
RV-9 (Yes, it's a dragon tail)
O-360 w/ dual P-mags
Build the plane you want, not the plane others want you to build!
SC86 - Easley, SC
www.repucci.com/bill/baf.html
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09-04-2005, 05:00 AM
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Join Date: Mar 2005
Posts: 182
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First customer Wilksch Diesel flies
The first WAM-100 customer engine flew today in Pietenpol Aircamper G-BUXK. Three test flights were completed following initial ground runs and system checks.
The WAM-100 is similar to the 120 hp WAM-120, but has a smaller intercooler and radiator to match its reduced power output (100 hp).
Dave
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