Today's Message Index:
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1. 05:04 AM - Twinstar MK II Items to examine (Jerry-TS-MkII)
2. 05:13 AM - Re: Twinstar MK II Items to examine (Malcolm Brubaker)
3. 01:50 PM - Re: Twinstar MK II Items to examine (George Helton)
4. 02:27 PM - Re: Twinstar MK II Items to examine (Jerry-TS-MkII)
5. 03:25 PM - Re: Re: Twinstar MK II Items to examine (George Helton)
Message 1
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| Subject: | Twinstar MK II Items to examine |
Hello to all,
I just purchased a Mk II, and thought I would ask a few general questions. It
has a 503 DCDI, B box, and 64" Ivo 3 blade prop. Flying it solo, can anyone share
Vx for Best climb angle? And what cruise I might expect?
One flyer mentioned a benefit of a 2 blade 68" Ivo, to lighten the loads on the
B box. Any other input or other prop suggestions?
I fully plan to completely examine the plane before it's put back in service, but
asking here about any specific known problems that might need extra attention?
I have read over many of the posts.
I'll be adding bracing on either side of the tail wheel, and examining the fuse
tube connection, and checking brace wire and control wire tensions, and the aileron
bellcrank support AD. I read about some leading edge tubes with fractures
and may have to scope the tubes and main spar. In general it looks good,
but not knowing this plane, I'm asking about any other problem areas that others
have encountered. Many thanks for any replies. Jerry
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=472210#472210
Message 2
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| Subject: | Re: Twinstar MK II Items to examine |
we have a nice mk 2 listed on barnstormers here in Michigan, check it out!
=C2-Malcolm & Jeanne Brubaker
Michigan Sport Pilot Repair http://michigansportpilotrepair.comLSRM-A, PPC,
WS
Great Sails - Sailmaker
for Ultralight & Light Sport
(989)513-3022=C2-=C2-=C2-=C2-
From: Jerry-TS-MkII <12flybellaire@gmail.com>
To: kolb-list@matronics.com
Sent: Saturday, August 26, 2017 8:09 AM
Subject: Kolb-List: Twinstar MK II Items to examine
Hello to all,
I just purchased a Mk II, and thought I would ask a few general questions.
=C2- It has a 503 DCDI, B box, and 64" Ivo 3 blade prop.=C2- Flying it
solo, can anyone share Vx for Best climb angle?=C2- And what cruise I mig
ht expect?
One flyer mentioned a benefit of a 2 blade 68" Ivo, to lighten the loads on
the B box.=C2- Any other input or other prop suggestions?
I fully plan to completely examine the plane before it's put back in servic
e, but asking here about any specific known problems that might need extra
attention?=C2- I have read over many of the posts.
I'll be adding bracing on either side of the tail wheel, and examining the
fuse tube connection, and checking brace wire and control wire tensions, an
d the aileron bellcrank support AD.=C2- I read about some leading edge tu
bes with fractures and may have to scope the tubes and main spar.=C2- In
general it looks good, but not knowing this plane, I'm asking about any oth
er problem areas that others have encountered.=C2- Many thanks for any re
plies.=C2- Jerry
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=472210#472210
S -
WIKI -
-
=C2- =C2- =C2- =C2- =C2- -Matt Dralle, List Admin.
Message 3
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| Subject: | Re: Twinstar MK II Items to examine |
I ran a 503 single carb on mine. It liked 50 to 52 mph on climb out as I rec
all? It's been a lot of years ago. I built Twinstar, TS 205. It came with a
wood 68" Tennessee Propeller. Which worked great. I later went to 64" three
blade Ivoprop. It worked fine and was very smooth. I do think it climbed be
tter with the two blade thou. I don't think there was a lot of difference in
the gearbox loading. I changed my gearbox oil every 50 hours and never noti
ced any excessive wear. I flew the Twinstar for about four years. It was a g
ood unit. A bit sluggish, but it is a two seater after all.
George H.
Firestar, FS100, 1986
14GDH
Mesick, Michigan
gdhelton@gmail.com
Have a great day!
> On Aug 26, 2017, at 8:04 AM, Jerry-TS-MkII <12flybellaire@gmail.com> wrote
:
>
>
> Hello to all,
> I just purchased a Mk II, and thought I would ask a few general questions.
It has a 503 DCDI, B box, and 64" Ivo 3 blade prop. Flying it solo, can a
nyone share Vx for Best climb angle? And what cruise I might expect?
>
> One flyer mentioned a benefit of a 2 blade 68" Ivo, to lighten the loads o
n the B box. Any other input or other prop suggestions?
>
> I fully plan to completely examine the plane before it's put back in servi
ce, but asking here about any specific known problems that might need extra a
ttention? I have read over many of the posts.
>
> I'll be adding bracing on either side of the tail wheel, and examining the
fuse tube connection, and checking brace wire and control wire tensions, an
d the aileron bellcrank support AD. I read about some leading edge tubes wi
th fractures and may have to scope the tubes and main spar. In general it l
ooks good, but not knowing this plane, I'm asking about any other problem ar
eas that others have encountered. Many thanks for any replies. Jerry
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=472210#472210
>
>
>
>
>
>
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Message 4
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| Subject: | Re: Twinstar MK II Items to examine |
Thanks George!
When I had asked about the 3 blade.. the other flyer felt that the 2-blade 68"
was more efficient on a 503. I'm more interested in a climb prop, and that usually
follows a lower pitch and larger diameter. His experience was regarding
the physical loading of the bearings and components in a B box.. ie spinning
less mass, which means less stress in general to accelerate the prop, etc. He
rebuilds a lot of Rotax engines (mainly for trikes), so he sees more than a typical
airplane owner might. My biggest concern was in thinking the 3 blade pusher,
right behind the wing might be smoother than 2. But it sounds as thou
your Tennessee worked just fine. I may look for 68" Ivo blades once the dust
settles. Always good to hear multiple comments that all point towards the same
(positive) results. And it would be slightly lighter too. Again, Thanks!
jr
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=472223#472223
Message 5
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| Subject: | Re: Twinstar MK II Items to examine |
I think you'll kind that a Twinstar climbs like a homesick angel when solo. Mine
did. I like Ivoprops. I flew off a lot of decomposed granite and sand surfaces
in Southern California and with the stainless steel leading edges it was pretty
much indestructible. I do think my two blade was a better climb prop.
I fly off of primarily grass fields these days. So the risk of prop damage is not
as great. I should receive my new Tennessee 66X28 prop with composite edges
this week. Under $600.00 delivered. My 30 year old Culver wood just doesn't seem
to doing the job anymore? I'm not sure what has changed but I'm turned 7100
rpm on takeoff which is to high. I thought it was my tachometer. But, my new
one agrees with the old one. Later, George
Have a great day!
> On Aug 26, 2017, at 5:27 PM, Jerry-TS-MkII <12flybellaire@gmail.com> wrote:
>
>
> Thanks George!
> When I had asked about the 3 blade.. the other flyer felt that the 2-blade 68"
was more efficient on a 503. I'm more interested in a climb prop, and that
usually follows a lower pitch and larger diameter. His experience was regarding
the physical loading of the bearings and components in a B box.. ie spinning
less mass, which means less stress in general to accelerate the prop, etc.
He rebuilds a lot of Rotax engines (mainly for trikes), so he sees more than a
typical airplane owner might. My biggest concern was in thinking the 3 blade
pusher, right behind the wing might be smoother than 2. But it sounds as thou
your Tennessee worked just fine. I may look for 68" Ivo blades once the dust
settles. Always good to hear multiple comments that all point towards the same
(positive) results. And it would be slightly lighter too. Again, Thanks!
jr
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=472223#472223
>
>
>
>
>
>
>
>
>
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