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pascal(at)rv10builder.net
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 Posted: Tue Jul 07, 2009 2:57 pm Post subject: Starter replacementStarter replacement |
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okay, so I'm a little slow.. how does this compare to the Skytech LS that comes standard on the Lycoming engines and Van's sells?
Thanks!
Pascal
From: Wayne Edgerton (wayne.e(at)grandecom.net)
Sent: Monday, June 22, 2009 5:05 AM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: Re: Starter replacementStarter replacement
Someone pointed out to me that in my post I said volts when I should have said amps. oops. Below are a few of the differences between the Sky-Tec NL & the HT model that I took out. As you can see the NL requires less amps, thus easier to make it turn over, and turns at a slower RPM, however the NL weighs in at about 1 lb more.
Wayne Edgerton N602WT
NL Model HT Model
Current 125-185A (at) 11V, 140 RPM Test 185-285A (at) 11V, 160 RPM Test
Gear Reduction 6.5:1 4.3:1
Weight 9.4 lbs. 8.5 lbs
-----Original Message-----
From: owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com)
[mailto:owner-rv10-list-server(at)matronics.com] ([email]owner-rv10-list-server(at)matronics.com][/email]) On Behalf Of McGann, Ron
Sent: Sunday, June 21, 2009 3:58 PM
Subject: RE: RV10-List: Starter replacement
--> <Ron.McGann(at)thalesgroup.com.au (Ron.McGann(at)thalesgroup.com.au)>
For those flying, I would be keen to know how many more issues of
insufficient starter torque have been reported. I regularly need to hold
the starter engaged for several seconds before the engine is pushed through
compression (when the engine is cold). I was about to relace the concorde
battery with an odyssey, but perhaps I need a higher torque starter??
Cheers
Ron
VH-XRM
Flying in Oz
-----Original Message-----
From: owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com)
[mailto:owner-rv10-list-server(at)matronics.com] ([email]owner-rv10-list-server(at)matronics.com][/email]) On Behalf Of Wayne Edgerton
Sent: Friday, 19 June 2009 11:52 PM
Subject: Starter replacement
I don't know if any of you had the problem that I had with the starter or
not. We installed the engine in 2005 with a Sky-Tec High Torque HT starter,
which supposedly was the best one they had back then. Anyway, whenever I
would do a cold start of the engine the prop would make about a half
revolution and stop, like it didn't have enough power to it. I would then
try again and it would turn fine.
Another RV friend of mine on my field told me about a new starter that
Sky-Tec came out with that took less volts and turned the prop slower.
It's a High Torque in Line NL. This friend was having the same problem with
his 7, which has high compression pistons. We both switched to this new NL
starter and it solved our problem. The new starter weighed a little bit more
than my old one, something like a pound. I live in TX, so cold isn't a
problem but I fly up into the cold country and was worried I wasn't going to
get started on some cold day.
Sky-Tec are really good people located right here near me in Granbury, TX
and they took my old starter in on trade against the new one and it cost me
$250 to upgrade. I thought that was a pretty good deal.
Anyway I just thought I would pass this along in case any of you are
experiencing the same problem as I had.
Wayne Edgerton
N602WT
[quote]
href="http://www.matronics.com/Navigator?RV10-List">http://www.matronics.com/Navigator?RV10-List
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Kelly McMullen
Joined: 16 Apr 2008
Posts: 1188
Location: Sun Lakes AZ
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| Posted: Tue Jul 07, 2009 3:17 pm Post subject: Starter replacementStarter replacement |
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Don't even think about the LS series on a 540 engine. Much higher current draw and lower torque. Likely to have difficulty even getting past first compression stroke unless you have a very healthy battery.
IMHO the Kelly E drive starter is a better choice than any of the Skytech. No relation, just comparing specs and reports of satisfied users. Main difference is a clutch to protect against kickback vs Skytech uses a shear pin than requires removal of starter to replace.
On Tue, Jul 7, 2009 at 3:56 PM, pascal <pascal(at)rv10builder.net (pascal(at)rv10builder.net)> wrote:
[quote] okay, so I'm a little slow.. how does this compare to the Skytech LS that comes standard on the Lycoming engines and Van's sells?
Thanks!
Pascal
From: Wayne Edgerton (wayne.e(at)grandecom.net)
Sent: Monday, June 22, 2009 5:05 AM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: Re: Starter replacementStarter replacement
Someone pointed out to me that in my post I said volts when I should have said amps. oops. Below are a few of the differences between the Sky-Tec NL & the HT model that I took out. As you can see the NL requires less amps, thus easier to make it turn over, and turns at a slower RPM, however the NL weighs in at about 1 lb more.
Wayne Edgerton N602WT
NL Model HT Model
Current 125-185A (at) 11V, 140 RPM Test 185-285A (at) 11V, 160 RPM Test
Gear Reduction 6.5:1 4.3:1
Weight 9.4 lbs. 8.5 lbs
[b]
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_________________
Kelly McMullen
A&P/IA, EAA Tech Counselor
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tomhanaway
Joined: 12 Aug 2006
Posts: 111
Location: Murphy, NC
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| Posted: Tue Jul 07, 2009 5:42 pm Post subject: Re: Starter replacementStarter replacement |
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When I got my Lycoming IO-540 it came with the LS skytech motor. I purchased it though Van's at Sun and Fun 2008. A thread was going on at the time that recommended the NL as a better starter. Of course, I went through the stress thing of "jeez, I just bought this engine and theres already something not right :^).
Anyway, I took a look at the Skytech site and they specifically had a note that the NL should be used rather than the LS. I confirmed it by speaking with Skytech.
The motor had not been hung at the time, much less started. I contacted Lycoming, referred them to the Skytech website comments about the starter.
Lycoming sent me a new NL starter and I returned the LS. No charge. Left me pretty impressed with the Lycoming customer service. Your mileage may vary.
Tom Hanaway
N519TP reserved
Boynton Beach, FL
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toaster73(at)embarqmail.c
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| Posted: Tue Jul 07, 2009 6:21 pm Post subject: Starter replacementStarter replacement |
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Did the same except via skytec.
-Chris
#40072
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Rhonda(at)bpaengines.com
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| Posted: Wed Jul 08, 2009 7:12 am Post subject: Starter replacementStarter replacement |
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Pascal:
We had some issues with the 149-LS starters a few years ago. Should an engine have a kick back, the starter housing on the LS breaks pretty easily and is generally not covered under Skytec’s warranty. The NL model has a sheer pin which is a pretty easy and inexpensive fix. The 149-NL starter is now stock on all of our engines. If you have an engine with an LS starter, you might check with Skytec. As long as the starter has never been installed on the engine, they may take it back and give you a credit towards the NL starter.
Rhonda Barrett-Bewley
Barrett Precision Engines, Inc.
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of pascal
Sent: Tuesday, July 07, 2009 5:56 PM
To: rv10-list(at)matronics.com
Subject: Re: Starter replacementStarter replacement
okay, so I'm a little slow.. how does this compare to the Skytech LS that comes standard on the Lycoming engines and Van's sells?
Thanks!
Pascal
From: Wayne Edgerton (wayne.e(at)grandecom.net)
Sent: Monday, June 22, 2009 5:05 AM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: Re: Starter replacementStarter replacement
Someone pointed out to me that in my post I said volts when I should have said amps. oops. Below are a few of the differences between the Sky-Tec NL & the HT model that I took out. As you can see the NL requires less amps, thus easier to make it turn over, and turns at a slower RPM, however the NL weighs in at about 1 lb more.
Wayne Edgerton N602WT
NL Model HT Model
Current 125-185A (at) 11V, 140 RPM Test 185-285A (at) 11V, 160 RPM Test
Gear Reduction 6.5:1 4.3:1
Weight 9.4 lbs. 8.5 lbs
--
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