Today's Message Index:
----------------------
1. 03:04 AM - Re: legs (Patrick Ladd)
2. 03:26 AM - Apologies (Patrick Ladd)
3. 05:53 AM - Re: What will you replace your rotax 447 with? (Dennis Rowe)
4. 05:57 AM - Re: What will you replace your rotax 447 with? (Dennis Rowe)
5. 11:19 AM - Re: Re: What will you replace your rotax 447 with? (Stuart Harner)
6. 02:25 PM - Xtra (kinne russ)
7. 02:27 PM - Kolb (kinne russ)
8. 04:39 PM - Re: Re: What will you replace your rotax 447 with? (Gary Aman)
Message 1
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Hi mate,
Not due until the end of the month. Thank goodness as I am suffering from a
very heavy cold/flu/sore throat/loss of voice etc at the moment. Some
American friends came to stay and we took them to Wales for a few days. They
had been in Berlin and Prague and one was suffering from the this nasty
when they arrived. As it happens my daughter has been in Prague making a
film and has gone down with the same thing so it may be some odd strain
going around. I was scheduled to give a talk to a Lunch Club locally (How I
broke my leg hang gliding) and our friends had extended their stay by 24
hours so that he could accompany me to hear me speak. During our time away
in Wales I lost my voice completely and had to unscramble the whole
arrangement. The Yanks departed last Thursday and I have been in bed ever
since.Even passed up my usual drink with mates this morning.
i will let you know when (and if, the weather is deteriorating) the flight
happens.
Cheers
Pat
-----Original Message-----
From: kinne russ
Sent: Friday, October 16, 2015 11:26 PM
Subject: Re: Kolb-List: legs
Pat
Its October and then some. Did you get your Spit flight? Hope so.
Fair winds,
Russ
Message 2
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Whoops. Sorry about sending my private message to Russ to the whole
list. I just hit reply..and there you go. Pat
Message 3
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| Subject: | Re: What will you replace your rotax 447 with? |
Parts will be available for that 447 for the next hundred years. Keep it and enjoy
the performance and reliability
Dennis "Skid" Rowe
Mk3, Rotax 670,
Leechburg, PA
> On Oct 16, 2015, at 2:03 PM, Keith84 <keithdienelt@yahoo.com> wrote:
>
>
> I have 70 hours on my 447 after 3 months of flying and I am starting to think
ahead. Instead of rebuilding the rotax wouldnt it be wiser to buy a current production
engine?
> I spent sometime on jack b harts page and he it looks like he is a big fan of
the mz4.
> It seems our current options are the mz34, victor1+, maybe mz201, h-33, and kawasaki
440. Is there any I am missing? What your opinions on what or if to replace
the 447 with?
>
> --------
> 98' Kolb FireFly
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=448014#448014
>
>
>
>
>
>
>
>
>
>
Message 4
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| Subject: | Re: What will you replace your rotax 447 with? |
Any good machine shop can rebuild the cranks with new rods and bearings for a fraction
of the price of a new crank. The rods and bearings are the only wear items
Dennis "Skid" Rowe
Mk3, Rotax 670,
Leechburg, PA
> On Oct 16, 2015, at 3:42 PM, Stuart Harner <stuart@harnerfarm.net> wrote:
>
>
> Well the price of a 447 rebuild, especially if you have the mandatory crank
> replacement, puts you well on the way towards a new engine.
>
> The new Hirth would be way up on my list. The 2702 is the closest
> replacement for the 447. Also very interesting is the F-23 opposed cylinder
> unit. Weighs a lot less and has more HP than the 447.
>
> At the rate I am putting hours on my 447 it will probably last me the rest
> of my life. :( At the very least, it should last until there is a good
> electric alternative. With 5 Gal. of fuel providing 1.5 hours of flight for
> a weight of 130# the Rotax is a pretty good setup. But with a 10# motor, how
> much battery weight does it take to fly 1.5 hours? Not there yet, but
> hopefully in the next few years...
>
> On the other hand, if your 447 is performing well and can be rebuilt for a
> reasonable price, you might be able to get another service cycle out of it.
> By then, who knows what will be available?
>
> A tough decision that only you can make when it comes to
> reliability/convenience/dollars, etc.
>
> Stuart
>
>
> -----Original Message-----
> From: owner-kolb-list-server@matronics.com
> [mailto:owner-kolb-list-server@matronics.com] On Behalf Of Keith84
> Sent: Friday, October 16, 2015 1:04 PM
> To: kolb-list@matronics.com
> Subject: Kolb-List: What will you replace your rotax 447 with?
>
>
> I have 70 hours on my 447 after 3 months of flying and I am starting to
> think ahead. Instead of rebuilding the rotax wouldnt it be wiser to buy a
> current production engine?
> I spent sometime on jack b harts page and he it looks like he is a big fan
> of the mz4.
> It seems our current options are the mz34, victor1+, maybe mz201, h-33, and
> kawasaki 440. Is there any I am missing? What your opinions on what or if
> to replace the 447 with?
>
> --------
> 98' Kolb FireFly
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=448014#448014
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
Message 5
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| Subject: | Re: What will you replace your rotax 447 with? |
Well there are already several Part 103 electrics out there. Most of them
cannot fly for much more than 30 minutes without putting enough batteries
onboard to go over the weight limit.
Battery technology is advancing, so maybe it won't be that long before we
can get an hour of flight out of 75# of battery.
Price is always a consideration, but that too is coming down. You have to
factor in the price of the electricity itself along with the replacement
cost of the batteries divided by the hours of service they provide. Then
compare that to the price of fuel, oil, regular maintenance and overhaul of
a gas engine.
Granted, it is not there yet. By the time I am ready for a rebuild of the
447, I expect things will have changed significantly.
It is something I sure hope I get to try out some day.
Stuart
-----Original Message-----
From: owner-kolb-list-server@matronics.com
[mailto:owner-kolb-list-server@matronics.com] On Behalf Of Keith84
Sent: Friday, October 16, 2015 7:13 PM
Subject: Kolb-List: Re: What will you replace your rotax 447 with?
It really seems like electric is a long ways away. Even when it becomes
possible in a part 103 application I assume it will cost a fortune.
Interestingly enough, I met a fellow a few months ago that designed his own
plane and is going through the process of getting his plane certified
(through the faa?). He said it would be an electric hybrid 5 passanger
plane. It would have a very small deisel generator onboard that would
contine to charge its batteries in flight. I forget what the performance
specs were but they pretty impressive. Anyways, i doubt such an idea could
be impletmented in a part 103 plane, but who knows!!!
--------
98' Kolb FireFly
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=448026#448026
Message 6
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List: I am, regretfully, selling my Kolb Xtra, built in 2009. It is N-numbered
(EAB), has the Rotax 912UL engine with 110 hrs since new, 3-blade Warp-drve prop,
EIS, Icom A6 radio with intercom, VGs. It is a beauty; one of the prettiest Ive
ever seen.
I also have open and enclosed trailers, both setup for a Kolb. The enclosed trailer
has an electric winch, remote-controlled. Both are also for sale.
Plane is located in mid-coast Maine. Call if interested. 207-406-4444
Message 7
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This pic should have gone with the previous msg. Sorry
Message 8
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| Subject: | Re: What will you replace your rotax 447 with? |
Stuart,I understand the recommended tbo for the 447,but well cared for 503s go
750 hrs or better and JBM,s 582 has over 1300 hrs on all original parts except
gaskets.Just decarbon and inspect regularly.You may never have to scrap it.
> On Oct 17, 2015, at 2:18 PM, Stuart Harner <stuart@harnerfarm.net> wrote:
>
>
> Well there are already several Part 103 electrics out there. Most of them
> cannot fly for much more than 30 minutes without putting enough batteries
> onboard to go over the weight limit.
>
> Battery technology is advancing, so maybe it won't be that long before we
> can get an hour of flight out of 75# of battery.
>
> Price is always a consideration, but that too is coming down. You have to
> factor in the price of the electricity itself along with the replacement
> cost of the batteries divided by the hours of service they provide. Then
> compare that to the price of fuel, oil, regular maintenance and overhaul of
> a gas engine.
>
> Granted, it is not there yet. By the time I am ready for a rebuild of the
> 447, I expect things will have changed significantly.
>
> It is something I sure hope I get to try out some day.
>
> Stuart
>
> -----Original Message-----
> From: owner-kolb-list-server@matronics.com
> [mailto:owner-kolb-list-server@matronics.com] On Behalf Of Keith84
> Sent: Friday, October 16, 2015 7:13 PM
> To: kolb-list@matronics.com
> Subject: Kolb-List: Re: What will you replace your rotax 447 with?
>
>
> It really seems like electric is a long ways away. Even when it becomes
> possible in a part 103 application I assume it will cost a fortune.
> Interestingly enough, I met a fellow a few months ago that designed his own
> plane and is going through the process of getting his plane certified
> (through the faa?). He said it would be an electric hybrid 5 passanger
> plane. It would have a very small deisel generator onboard that would
> contine to charge its batteries in flight. I forget what the performance
> specs were but they pretty impressive. Anyways, i doubt such an idea could
> be impletmented in a part 103 plane, but who knows!!!
>
> --------
> 98' Kolb FireFly
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=448026#448026
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
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