Many thanks Bob
Michel AUVRAY
Le 09/09/2014 16:48, Robert Borger a crit :
> Hello Michel,
>
> That was at 8500 ft. Ruidoso airport elevation it 6814 ft and traffic
> pattern altitude is 7900 ft and you have to clear some high ground to
> get in. TAS was over 130 kts and ground speed was 145 kts with an
> unusual wind out of the east.
>
> Blue skies & tailwinds,
> Bob Borger
> Europa XS Tri, Rotax 914, Airmaster C/S Prop (75 hrs).
> Little Toot Sport Biplane, Lycoming Thunderbolt AEIO-320 EXP
> 3705 Lynchburg Dr.
> Corinth, TX 76208-5331
> Cel: 817-992-1117
> rlborger@mac.com <mailto:rlborger@mac.com>
>
> On Sep 9, 2014, at 9:26 AM, AUVRAY Michel <mau11@orange.fr
> <mailto:mau11@orange.fr>> wrote:
>
> Hello Bob,
> What altitude do you check
> Le 09/09/2014 16:22, Robert Borger a crit : 5000rpm and 30" 120 kt ?
> Many thanks
> Michel AUVRAY
>> Hi Gert & others,
>>
>> On a recent trip to Ruidoso, NM I set cruise" on my Airmaster (5000
>> rpm) & 30 MP which resulted in 120 kts IAS with a fuel flow of ~5
>> gph (~19 lph). This is with a tri-gear & no speed kit installed. If
>> I ever get around to installing the wheel pants & gear leg fairings
>> it will probably be faster at the same fuel flow or I can cruise at
>> the same speed for a lower fuel flow.
>>
>> I have heard that Rotax recommends not cruising at an rpm below 5000.
>> I dont know how critical that may be.
>>
>> FWIW, a Grumman Tiger landed behind me followed me to the pumps. The
>> copilot (pilots wife) said they ware cruising at 120 kts & burning
>> 12 gph (54.4 lph).
>>
>> Blue skies & tailwinds,
>> Bob Borger
>> Europa XS Tri, Rotax 914, Airmaster C/S Prop (75 hrs).
>> Little Toot Sport Biplane, Lycoming Thunderbolt AEIO-320 EXP
>> 3705 Lynchburg Dr.
>> Corinth, TX 76208-5331
>> Cel: 817-992-1117
>> rlborger@mac.com <mailto:rlborger@mac.com>
>>
>> On Sep 8, 2014, at 11:51 PM, Gert Dalgaard Srensen
>> <stabelvej9@gmail.com <mailto:stabelvej9@gmail.com>> wrote:
>>
>> Hi Ivan - and others
>>
>> Two years ago I had opportunity to purchase a brand new 914, and a
>> Woodcomp at a very reasonably price.
>> Changed engine last summer after 700 hours og trouble free flying
>> with the old constellation.
>> With the old set-up - 914/Warp Drive - i did 105 knots at 4600
>> rpm, burning 16.5 ltrs./hr.
>> At that power setting my old engine/prop really sounded like it could
>> run for a thousand year - must be the "sweet spot", Ivan :)
>>
>> My new engine and prop. really sounds and feel OK at 4200 rpm / 30",
>> and that is giving me exactly 120 knots IAS.
>> But again - this prop. is a completely new world for me ...
>> What power-setting are others aiming for at cruise with a 914 and
>> adjustable prop?
>> And what fuel-flow do you get?
>>
>> Regards
>> Gert
>>
>>
>>
>> Den 08/09/2014 kl. 18.22 skrev Ivan Shaw <ivanshaw@btinternet.com
>> <mailto:ivanshaw@btinternet.com>>:
>>
>>> Gert,
>>> I would not run 4200rpm and 30.sounds a bit over square to me.
>>> Best way to get your fuel burn info is by test on your particular
>>> aircraft. Then arrive at a nice economy cruise speed/fuel burn and a
>>> regular cruise speed.
>>> Remember you want to cruise your Europa on the step AOA wise and
>>> this will vary with aircraft weight and differing aircraft. But at
>>> MTOW you want to be going 120kts indicated minimum to be nicely in
>>> the groove.
>>> Most aircraft have a sweet spot speed wise when the aircraft just
>>> feels right!! Find the sweet spot for YOUR aircraft and cruise
>>> there.why would you do any other?!!
>>> Cheers
>>> Ivan
>>> *From:*owner-europa-list-server@matronics.com
>>> <mailto:owner-europa-list-server@matronics.com>[mailto:owner-europa-list-server@matronics.com]*On
>>>
>>> Behalf Of*Gert Dalgaard Srensen
>>> *Sent:*08 September 2014 16:05
>>> *To:*Europa-List Digest Server
>>> *Subject:*Europa-List: 914 / Woodcomp / fuel consumption ... ??
>>> Hi
>>> Could someone show me where I can find figures for the fuel
>>> consumption on my 914 when let us say I go 4.200 rpm / 30" MP ... ???
>>> All I can find is the graphics in Owners Manual and do. graphs. on
>>> other Rotax enclosures, but the MP is not an item as far as I can see.
>>> Regards Gert
>>> OY-GDS
>>> Mono/914/Woodcomp
>>> <image001.png>
>>
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