Frans I generally fly at around 5000rpm but for that exercise I think I
followed the Rotax table for RPM/MAP settings. David
----- Original Message -----
From: "Frans Veldman" <frans@privatepilots.nl>
Sent: Wednesday, May 12, 2010 8:01 PM
Subject: Re: Europa-List: PH-DIY performance data
>
> On 05/12/2010 07:47 PM, David Joyce wrote:
>
>> Frans, For what it's worth my 914 Xs/normal top/mono + speed kit/
>> Woodcomp SR3000W/3blade does the following at >90%MaxAUW at 2000ft:
>> TAS 120 Kts 14 l/hr
>> ,, 130 ,, 19 ,,
>> ,, 140 ,, 23 ,,
>
> Is this TAS indeed? My data was based on IAS. At 2000 feet I can add
> about 4 knots to my speeds to get TAS.
> Anyway, then my fuel consumption doesn't seem to be that high, I assume
> this will improve a bit once the engine has been fully run in.
> (Operating temperatures are still dropping, so I assume it is still
> getting rid of excess friction).
>
>> We have found on many trips that extra wheels don't help,
>
> That's why I decided to get rid of one wheel, I'm happy with only three
> wheels. ;-)
>
>> figures are pretty close to mine even so, assuming your ASI reads
>> correctly
>
> The ASI has been calibrated (mandatory) and was found to be correct to 1
> knot over the entire range. The backup ASI (with separate pitot) agrees
> with the primary ASI.
>
> Do you recall what RPM and MAP settings you normally use?
>
> Thanks,
>
> Frans
>
>
>
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