Today's Message Index:
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1. 06:12 AM - Re: Sea Doo Rotax (river1)
2. 08:17 AM - Re: Re: Sea Doo Rotax (CHESTERMAN FARM EQUIPMENT INC)
3. 12:05 PM - Re: Sea Doo Rotax (river1)
4. 12:45 PM - Re: Re: Sea Doo Rotax (CHESTERMAN FARM EQUIPMENT INC)
5. 01:48 PM - Re: Sea Doo Rotax (river1)
6. 03:51 PM - Fuel Injected 914...Any thoughts? (darinh)
7. 05:49 PM - Re: Fuel Injected 914...Any thoughts? (Jack Kuehn)
8. 05:52 PM - Re: Fuel Injected 914...Any thoughts? (Stan Bearup)
9. 06:43 PM - Re: Fuel Injected 914...Any thoughts? (darinh)
Message 1
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| Subject: | Re: Sea Doo Rotax |
Thanks for helping ; the reason I ask is that they are plentyfull around here .
You guys think , provided the right model , that a conversion could be made ?
.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=139551#139551
Message 2
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| Subject: | Re: Sea Doo Rotax |
also sea doo crankshafts have threaded ends unlike the sleds and aviation
motors. so first thing you would have to do is change the crankshaft.
dave c
----- Original Message -----
From: "river1" <pedro@mycingular.blackberry.net>
Sent: Friday, October 12, 2007 9:12 AM
Subject: RotaxEngines-List: Re: Sea Doo Rotax
> <pedro@mycingular.blackberry.net>
>
> Thanks for helping ; the reason I ask is that they are plentyfull around
> here . You guys think , provided the right model , that a conversion could
> be made ? .
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=139551#139551
>
>
>
Message 3
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| Subject: | Re: Sea Doo Rotax |
Dave ; you seem to know , so do you think is worth the effort in terms of money
savings ? . The other option that I cosider is buying a runout and rebuild it
.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=139624#139624
Message 4
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| Subject: | Re: Sea Doo Rotax |
I have been trying to use the lowest cost method for awhile.
The sled motors are the closest but you get single ignition. Some areas just
put a gearbox on a sled engine and when they run out they go to the skidoo
dealer and buy a new long block.
I prefer to keep the dual ignition and have stuck with the aviation motors
but use rebuilt cranks from a good engine builder. gaskets i get from
aftermarket which are the same as some sleds. I use water pump rv shaft
stuff from the 580 seadoos from about 1990.
If you have nothing now I would buy the cheapest complete aviation 582 i
could find( holes in the case, broken crank and everything) to get the
carbs, igintion ,gearbox, exhaust, etc and then buy a new long block blue
head 582. and make one engine. That is the least expensive way to go if you
find a low cost doner engine.
If you find a good runout 582 you can get them rebuilt by one of the
national engine rebuilders using aftermarket sled stuff for about 1500 but
don't tell them its form a plane or the work stops there.
using rotax aviation parts to completely rebuild a runout engine will cost
about the same as a new short block
dave c
From: "river1" <pedro@mycingular.blackberry.net>
Sent: Friday, October 12, 2007 3:05 PM
Subject: RotaxEngines-List: Re: Sea Doo Rotax
> <pedro@mycingular.blackberry.net>
>
> Dave ; you seem to know , so do you think is worth the effort in terms of
> money savings ? . The other option that I cosider is buying a runout and
> rebuild it .
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=139624#139624
>
>
>
Message 5
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| Subject: | Re: Sea Doo Rotax |
Very good Dave ; Do you mind pointing to the rebuilders , source for short blocks
etc. . If you want do it off line , I didn't mention , but the project in question
is a 701 . Thx
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=139637#139637
Message 6
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| Subject: | Fuel Injected 914...Any thoughts? |
I came across a guy who rebuilds 914's from the Predator drones (General Dynamics)
to Rotax standards. Actually is what he does is send the bottom end to Lockwood
for them to rebuild and (new bearins, crank dialed, etc.). He then rebuilds
the top end to Rotax standards using his own pistons. Here is where it
gets interesting...he has designed a fuel-injection system (with redundancy on
the injectors and computer none the less) that replaces the carbs and intake
box. He has done this and has been able to keep the footprint the same as a stock
914. The claim is that he is producing 145 hp and the weight is virtually
the same as stock (I think he said it was actually 7 lbs. lighter). I have
seen the worksmanship and it is really quite impressive to say the least.
I am going to be installing a 914 on my Kitfox Series 7 within the next year and
have given this option a lot of serious thought.
By the way, this setup is about $9k cheaper than a factory new motor. It doesn't
come with the radiator, oil cooler or exhaust can (silencer?) but everything
else is there including the upgraded external 55 amp alternator.
Does anyone have any thoughts, comment, etc on this??
--------
Darin Hawkes
Series 7 (under Construction)
914 Turbo
Ogden, Utah
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=139646#139646
Message 7
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| Subject: | Re: Fuel Injected 914...Any thoughts? |
WOW! How many of these modified engines are out there and how many hours
are on them? This is critical! Imagine putting one of these on a Sonex or
other clean airplane!
Jack
On 10/12/07, darinh <gerns25@netscape.net> wrote:
>
>
> I came across a guy who rebuilds 914's from the Predator drones (General
> Dynamics) to Rotax standards. Actually is what he does is send the bottom
> end to Lockwood for them to rebuild and (new bearins, crank dialed,
> etc.). He then rebuilds the top end to Rotax standards using his own
> pistons. Here is where it gets interesting...he has designed a
> fuel-injection system (with redundancy on the injectors and computer none
> the less) that replaces the carbs and intake box. He has done this and has
> been able to keep the footprint the same as a stock 914. The claim is that
> he is producing 145 hp and the weight is virtually the same as stock (I
> think he said it was actually 7 lbs. lighter). I have seen the worksmanship
> and it is really quite impressive to say the least.
>
> I am going to be installing a 914 on my Kitfox Series 7 within the next
> year and have given this option a lot of serious thought.
>
> By the way, this setup is about $9k cheaper than a factory new motor. It
> doesn't come with the radiator, oil cooler or exhaust can (silencer?) but
> everything else is there including the upgraded external 55 amp alternator.
>
> Does anyone have any thoughts, comment, etc on this??
>
> --------
> Darin Hawkes
> Series 7 (under Construction)
> 914 Turbo
> Ogden, Utah
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=139646#139646
>
>
--
Jack Kuehn
5565 Brady Ln
Lolo, MT USA 59847
(406)273-6801
(406)546-1086 cell
jack.kuehn@gmail.com
(406)273-2563 fax
Message 8
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| Subject: | Re: Fuel Injected 914...Any thoughts? |
Darin,
I looked into that engine, and spoke with the guy as well. If I recall
correctly, the guys name is Jason Parker and lives in Bakersfield, CA. His
engines do look nice, but I would like to speak with someone who has one of
them flying before making the decision.
FYI, I have a low time 100HP 912 ULS-3 for sale that I just had a Rotax
repair station go through for me, and gave it a clean bill of health. I had
planned to install it on a Just Aircraft Highlander, but do to a pending
divorce, I think I had better try to sell it. This is the engine that can
run a constant speed propeller, and includes a governor, exhaust and oil
tank. I would let it go for $11,000.
Stan Bearup
bearup@ida.net
American Falls, Idaho
----- Original Message -----
From: "darinh" <gerns25@NETSCAPE.NET>
Sent: Friday, October 12, 2007 4:50 PM
Subject: RotaxEngines-List: Fuel Injected 914...Any thoughts?
>
> I came across a guy who rebuilds 914's from the Predator drones (General
> Dynamics) to Rotax standards. Actually is what he does is send the bottom
> end to Lockwood for them to rebuild and (new bearins, crank dialed, etc.).
> He then rebuilds the top end to Rotax standards using his own pistons.
> Here is where it gets interesting...he has designed a fuel-injection
> system (with redundancy on the injectors and computer none the less) that
> replaces the carbs and intake box. He has done this and has been able to
> keep the footprint the same as a stock 914. The claim is that he is
> producing 145 hp and the weight is virtually the same as stock (I think he
> said it was actually 7 lbs. lighter). I have seen the worksmanship and it
> is really quite impressive to say the least.
>
> I am going to be installing a 914 on my Kitfox Series 7 within the next
> year and have given this option a lot of serious thought.
>
> By the way, this setup is about $9k cheaper than a factory new motor. It
> doesn't come with the radiator, oil cooler or exhaust can (silencer?) but
> everything else is there including the upgraded external 55 amp
> alternator.
>
> Does anyone have any thoughts, comment, etc on this??
>
> --------
> Darin Hawkes
> Series 7 (under Construction)
> 914 Turbo
> Ogden, Utah
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=139646#139646
>
>
>
Message 9
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| Subject: | Re: Fuel Injected 914...Any thoughts? |
Stan,
Yes, they guys name is Jason. He seems to be incredibly knowledgeable about the
engine and all components that go into it. He is a mechanical engineer with
an extensive background in car racing and all things performance related. By
the way, sounds like a great price on the 912s I'm sure it will go fast.
Jack,
I know he has one that is about finished and 5 others that are about ready for
the initial rebuild. As far as engines out, he did give me a number for a guy
who is installing this engine in his Kitfox. I gave him a call to discuss it
with him and he has nothing but good to say about it. However, he has yet to
finish his airplane and fly it so I don't have any info on a flying model although
the company claims they have some flying. I really like the idea of the
fuel-injection but am like the rest, it would be nice to see what kind of reliability
the engine has. I will keep trying to gather information.
--------
Darin Hawkes
Series 7 (under Construction)
914 Turbo
Ogden, Utah
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=139665#139665
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