Centurion 2.0S Engine

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Keith M
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Re: Centurion 2.0S Engine

Post by Keith M »

Hi Pierre, everything seems to take longer than planned, but I hope you get airborne again soon!
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Re: Centurion 2.0S Engine

Post by reinhardj »

I have checked the cost of replacing the 2.0 with the 2.0s here in Germany. The price of the engine is approx. 42.000€ + 19% VAT, installation without any further modification is approx. 5.000€.
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Keith M
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Re: Centurion 2.0S Engine

Post by Keith M »

Similar price here in the UK: £40,000 + 20% VAT, assuming my quote from last May still stands. This compares with the CD135 at £31,500 + VAT. The core deposit refund for either is about £7,000.

I don't actually need to replace the engine until next March, but the annual is due in October, so I'm thinking of getting it done then. That's why the lead time for ordering the new engine is becoming an issue.
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Re: Centurion 2.0S Engine

Post by Colin »

Are you allowed to replace it without any further modifications? Isn't it more horsepower, requiring a larger rudder and so on?
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Keith M
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Re: Centurion 2.0S Engine

Post by Keith M »

The only requirement is a few thousand extra euros for the ECUs to be remapped by Continental ;) plus something called a "Diamond Upgrade Kit" at approx £2000 GBP. (That may only be needed for upgrading a 1.7l engine.) The airframe, including rudder, is the same as for the 180hp avgas engines, so can easily cope with 155hp.
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Re: Centurion 2.0S Engine

Post by reinhardj »

According to the manufacturer the cooling system of the 2.0s has been changed to provide enough cooling capacity for the additional 20HP. Everything else (dimensions, weight, interfaces..) is identical to allow simple upgrade.
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Re: Centurion 2.0S Engine

Post by Aart »

Is the core deposit refund of GBP 7.000 already included in the mentioned prices of the engines or still to be subtracted?
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Re: Centurion 2.0S Engine

Post by Keith M »

Aart, the core deposit is what you have to pay up front when you order a new engine. You get that back when your old engine is returned. It's in addition to the quoted engine prices.
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Re: Centurion 2.0S Engine

Post by Karl »

I have always wondered if it is worth it.
The extra horses are only really useful during take off, you lose a lot of life for that and increase the fuel consumption.

Unless you operate out of short strips I don't really see much advantage for all the extra money.
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Re: Centurion 2.0S Engine

Post by reinhardj »

The specific fuel consumption is identical for the 2.0 and 2.0s. Figures taken from the engine data sheets:
2.0 : <217g/kwh between 60% and 81% (81HP to 110HP)
2.0s : <217g/kwh between 60% and 78% (93HP to 121HP)
So when comparing the best economy flight of the 2.0 (71%, 96HP) with 62% (96HP) of the 2.0s, this gives the same performance with the same consumption. For me the additional safety and power margin of 15% is worth the <20% in price increase.
DA40 TDI: Here in Germany we have a number of very short (grass) strips, which are critical for the 2.0 but can be done with the 2.0s. The full load ISA sea level take-off distance (50ft) is reduced from 640m/2100ft (2.0) to 510m/1673ft (2.0s), which is really significant. Furthermore the DA40 with 2.0s is less noisy as it climbs faster, therefore landing fees are a bit lower as it is considered as an extra quiet plane. Die DA40TDI with 2.0 is not.
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