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EV experience so far

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GlueGuy View Drop Down
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Post Options Post Options   Quote GlueGuy Quote  Post ReplyReply Direct Link To This Post Topic: EV experience so far
    Posted: 03 Feb 2023 at 10:29am
Originally posted by offgrid

GG, unless you owned the lightest EZ ever built, I think perhaps ole' Burt might not have approved of where the MGW was set on your bird....

I don't know that mine was the lightest, but it was lighter than all my buds with Long-EZs. It started at a bit over 800 lbs, but after a couple of cross-country trips, I realized that any notion of IFR flying was out of the question. So I removed some "cruff" (go back anf re-read what Burt thought about cruff or excess crap in the plane). Removing the vacuum system and gyros alone got me a little over 35 lbs (vacuum pump, plumbing, and gyros). I resigned myself to day-VFR and used it as a purely pleasure plane, and had way more fun. Flying around the west, day-VFR was very friendly. The 1500 lb gross weight was slightly more than "book", but I had the pre-fab landing gear, and never had an issue. The FAA still has it on the record not far from here, so I think it's doing OK for an experimental that was completed in 1988.
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offgrid View Drop Down
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Post Options Post Options   Quote offgrid Quote  Post ReplyReply Direct Link To This Post Posted: 03 Feb 2023 at 8:25am
French fries are ok but I think id pass on the stale stir fry grease. Anyhow that roaring 90 HP Izuzu has so much power that it would leave all the stinky smell in the dust.
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lostagain View Drop Down
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Post Options Post Options   Quote lostagain Quote  Post ReplyReply Direct Link To This Post Posted: 03 Feb 2023 at 6:47am
I used to run biodiesel in a sailboat I owned.  It stunk like a cheap hamburger stand when motoring down wind.  The motor always ran nicely and reliably, though.
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Post Options Post Options   Quote gpokluda Quote  Post ReplyReply Direct Link To This Post Posted: 03 Feb 2023 at 6:06am
Back in the early 2000's, I use to cycle to work which took me through the University of New Mexico campus. They had a shuttle bus that ran on bio fuel called the Veggie Bus. I would usually get stuck behind that thing on my morning commute. Somedays it smelled like french fries, some days like stir fry. 
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offgrid View Drop Down
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Post Options Post Options   Quote offgrid Quote  Post ReplyReply Direct Link To This Post Posted: 03 Feb 2023 at 2:57am
Yeah but no pottie or shower, so my wife would veto it.

I did take her to look at one of these.

https://www.theimportguys.com/product-page/1996-isuzu-elf-camper


At 16 feet its a whole meter longer than the Citroen but still shorter than my Highlander. And, it has a bathroom.

It's an ultra reliable Izuzu N series which is still sold in north America so parts are available unlike that French truck.

2.4 liter 4wd old school diesel churns out a whopping 90hp or so. I could run it on biofuel. All I'd need is some used veggie oil from Mickey D's and I could drive it around being nice and green smelling like french fries....



20 years ago I could probably have talked her into it. But now we're too old to be climbing up and down all night from that overcab bed.
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Post Options Post Options   Quote gpokluda Quote  Post ReplyReply Direct Link To This Post Posted: 02 Feb 2023 at 7:23pm
Here ya go, OG
I'm sure there is an electric motor out there than can much the raw HP of a 1.1L inline 4 gas engine. LOL.
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Post Options Post Options   Quote offgrid Quote  Post ReplyReply Direct Link To This Post Posted: 02 Feb 2023 at 9:58am
Yeah but it's kinda hard to fly IFR with no radios.
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Post Options Post Options   Quote GlueGuy Quote  Post ReplyReply Direct Link To This Post Posted: 02 Feb 2023 at 9:36am
Burt had a simple rule about keeping planes light. Take the (name your accessory) in your hand and toss it in the air. If it comes down, it's too heavy and you don't need it.
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Post Options Post Options   Quote offgrid Quote  Post ReplyReply Direct Link To This Post Posted: 02 Feb 2023 at 7:24am
GG, unless you owned the lightest EZ ever built, I think perhaps ole' Burt might not have approved of where the MGW was set on your bird...

But it's all good. That design has never to my my knowledge suffered an in flight structural failure and the builder can set his limits wherever wants. Not sure how well the gear would hold up to those kind of loads long term though. I think lots of them have had gear upgrades from the original design?

In my case the EZ option was vetoed anyhow so I didn't explore its weight and balance any further. Having previously owned a couple of certified planes (Tiger and 35 series Bonanza) my wife has pretty strong opinions about what she is willing to get into (or not get into).

The RV is fine for her, but she still misses the elbow room in our old Bo and the ability to carry a couple more folks occsionally. That was a nice flier and remarkably fast and efficient considering how what it could carry and that it was designed 75 years ago. 175 mph at 11-12 gph, 900 lb useful load, 54 gal fuel. Fairly inexpensive to purchase too. I probably would have gotten another one if I didn't have all the certified aircraft baggade to deal with. But it is and not being an A&P the mantenance cost wouldve killed me.

Since this was a vehicle efficiency discussion, I took a shot at comparing all these vehicles efficiencies, correcting for the square of the speed fur payload. Payload was gross weight - empty weight - fuel for a 500 mile trip with 30 minutes reserve (VFR requirements). I used the designers gross weight and typical real world empty weights to try to keep a lid on the payload optimism. I also did my Prius and a Boeing 787-9 using the same criteria (I adjusted the Boeing numbers down to account for the higher energy content of JetA vs gasoline. And since this is an RV forum I did my Chinook too.

With the Prius as a baseline at 1.0, the Bonanza came in next at 56% better, then the RV6A at 72% better, then the LongEZ at 92% better. So all three light planes beat the best ICE car on the road by a lot, and had enough extra fuel capacity to go much farther. The Prius barely made the distance with reserve.

Are you ready for the Boeing? 154 times more efficient than the Prius considering it's speed and payload. So much for commercial airplanes being inefficient. Boeing rules!

Anyone want to guess how the ole Chinook did? 0.27 vs the Prius. Except its fuel tank was 6 gallons shy... Such is the price of dragging your house around with you.

Now I'd like to consider to a high speed train....






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GlueGuy View Drop Down
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Post Options Post Options   Quote GlueGuy Quote  Post ReplyReply Direct Link To This Post Posted: 01 Feb 2023 at 3:48pm
Originally posted by offgrid

Yep, I thought about a LongEZ when I decided to get back into flying. They have amazing numbers, I don't think anything has beaten it even now. Burt Rutan ruled in efficient design.

But my wife vetoed the tandem seating, which is a big part of what gets it that fantastic low CdA. Plus the useful load isn't really adequate for 2 up, full tanks and some gear. The useful load on the RV is 650 so full tanks + 2 ppl + 100 lbs of stuff. I do wish it carried another 10 gallons though. 3 hours plus reserve is a bit short especially for IFR work.
I only "filled it up" that first time I flew cross-country. After that I rarely put more than about 12 gallons per side. That increased payload by about 180 lbs, and gave me plenty of range at ~~ 5 gallons per hour. With my SO and me at ~~ 310 lbs, that left almost 300 lbs for "baggage". We made a couple of duffle bags that fit into the wing roots, and we could be off. My SO did not like the tandem seating either, but a quick hop to Tucson was a piece of cake. Useful load of our EZ was a little over 750 lbs, divided between people (310lb), fuel (144lb), and baggage (296lb). When I did my solo flying on weekends, I'd have less than 10 gallons per side, which made her very light and responsive. It was my little airborne sports vehicle.
bp
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