Zenith Aircraft Builders and Flyers
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Some engine choices for my 750
(The original post can be found on my build blog at www.stol750project.info/engine-selection.)
It's up to me to choose something to turn the spinny thing and I come from a position of next to no knowledge of such things. Reading the build forums there are as many opinions as there are choices and if you were to discount all the engines which are "most definitely unsuitable" for general aviation there would be none left to choose from!. So I figured I'd make a table of some candidate engines and start filling in some data. Over time perhaps a winner will emerge.
Disclaimer!:
- These aren't the only choices but seem to be the strongest candidates right now.
- They aren't in any particular order.
- There is no doubt other data I should be comparing, I'll add more as I understand what that is.
I welcome comments and will try to add/edit the table as I can.
| Engine | Price | Weight (lb) | Hp | Fuel | 750 FWF Kit? | Comments |
|---|---|---|---|---|---|---|
| Viking HF-110 | $13,000 | 178 | 110 @ 5,800rpm | 87 auto/100LL | yes | Honda Fit conversion, not tried and tested |
| Rotax 912S | $26,500 | 136 | 100 @ 5,800rpm | 90 auto/100LL | yes | Popular LSA engine |
| Jabiru 3300 | $21,000 | 178 | 120 @ 3,300rpm | 91 auto/100LL | yes | Popular 'up and comer' |
| Corvair O-164 | ?? | 220 | 100 @3,150rpm | 93 auto/100LL | yes | Corvair conversion, can rebuild from cheap used. In widespread use. |
| UL Power 260iS | $21,500+FWF | 160 | 107 @3,300rpm | 93 auto/100LL | yes | Modern FADEC |
| Aerovee 2.1 | $7,000+FWF | 161 | 80 @ 3,400rpm | 90 auto/100LL | maybe | Engine is in kit form, prob under-powered for the 750 |
| Continental O-200 | ?? | 199+ | 100 @ 2,700rpm | yes | General aviation workhorse, lots of used ones for sale? | |
Comment
-
Comment by Bob McDonald on February 25, 2011 at 5:49am
-
Another factor to consider is the availability of a proven factory supplied FWF kit, complete with engine mounts, exhaust, cowls, props, throttle setup, etc. Without out this a builder can expect to add years to the build project.
Rotax 912S (Zenith supplied FWF) Jabiru 3300 (Jabiru USA FWF) UL Power (Fly With Gus FWF)
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Comment by Steven Ward on February 25, 2011 at 12:56am
-
Thank you for this data. I am trying to decide myself on what to choice.
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