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Hirth Engine

 
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chrisoz(at)bmail.com.au
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PostPosted: Wed Oct 10, 2007 12:17 am    Post subject: Hirth Engine Reply with quote

Hello Martyn,

you are right, they are too good to be true. The engines run beatifully
when they run, but have a serious reliability issue. A friend of mine had
the 100hp 3 cylinder version, and had two engine failures within the first
50 hours. When he tried to contact Hirth after the second one, they just
ignored him and never answered back. The customer service is attrocious,
and even with the advantage of speakin german you can not get them to talk
to you.

It is a shame as Hirth is one of the oldest aircraft engine manufacturers
in the world, dating back to the 1920s. But the current Hirth is not
comparable to those reliable engines from Klemm and Luftwaffe days.

I would take a Subaru any day over a Hirth, but that is a bit heavy for
the 701. By far the best choice for the 701 remains the 912, there were a
few on ebay a short time ago, new for $10,000 each, the price of a
Hirth...

Cheers,

Chris from Perth, Australia

Quote:
Good Day all,

I have gone through the archives and I have not found anything really
conclusive regarding Hirth powerplants as a viable alternative.

The 3 cylinder 100 HP fuel injected 2 stroke, weighing in at 45kg's
(99lb's) seems too good to be true.

Anybody out there that runs a Hirth or knows of someone who has one. I'd
really like to get their feedback regarding these engines.

Blue Skies everyone,

Martyn Ward
CH701 ZU-DPL

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Joined: 02 Nov 2006
Posts: 50
Location: New Zealand

PostPosted: Wed Oct 10, 2007 11:43 pm    Post subject: Re: Hirth Engine Reply with quote

Gee Chris, Please don't tell the hundreds of people (myself included!) that the Subaru EA-81 is too heavy for our successful 701 aircraft !
Also please inform me when next you see a 912 for $10k ! I'll buy it sight unseen and make a handsome profit on the same day resale!
Steve from Perth


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martyn(at)flight.co.za
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PostPosted: Thu Oct 11, 2007 1:48 am    Post subject: Hirth Engine Reply with quote

Steve,

http://cgi.ebay.com/ebaymotors/Rotax-engine-100hp-912-ULS3_W0QQcmdZViewItemQQcategoryZ26437QQihZ016QQitemZ260168217587QQrdZ1QQsspagenameZWDVW

The bid started at $9000 USD its up to $11400 last time I checked.

There you go! Send some of the profit my way , but I think the shipping
costs will chew it all up. I have spoken to this chap, and he is legit. He
had 3, sold 2, this is the last one.

HIRTH RULES !!! Smile

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Quote:


Gee Chris, Please don't tell the hundreds of people (myself included!)
that the Subaru EA-81 is too heavy for our successful 701 aircraft !
Also please inform me when next you see a 912 for $10k ! I'll buy it sight
unseen and make a handsome profit on the same day resale!
Steve from Perth


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graeme(at)coletoolcentre.
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PostPosted: Thu Oct 11, 2007 5:07 am    Post subject: Hirth Engine Reply with quote

Steve

You should try Bert Flood and see if he has any tradins at present.

I bought one two years ago out of time 1200 hrs ok for home built for $7000
with oil tank.
No prop radiator oil cooler etc.

Graeme CNS

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Joined: 02 Nov 2006
Posts: 50
Location: New Zealand

PostPosted: Fri Oct 12, 2007 12:43 am    Post subject: Re: Hirth Engine Reply with quote

Thanks...By the time you convert to $Aud,pay freight, and GST..you're looking at $16,000 ++++
Cheapest old Bert had when I checked 6 months ago was $14 2nd hand
All reinforcing my point!
I'm happy with my 0 hours" EA-81T" FI, Cam, Mod Intake manifold, RFI Redrive, Warp 72" 3 blade (New),All up 84 kg Total cost to date $8200
I did look at Hirth, they really look nice and I know of one operational one which has not given much trouble to date...but it seems to be the exception rather than the rule!


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