Today's Message Index:
----------------------
1. 06:31 AM - Re: 3.47:1 gear box (Richard Pike)
2. 06:47 AM - Re: Re: 3.47:1 gear box (Richard Girard)
3. 08:28 AM - Re: Re: 3.47:1 gear box (Rick Neilsen)
4. 03:47 PM - Where to buy Gear leg Airfoils? (Nick Cassara)
5. 04:28 PM - Re: Where to buy Gear leg Airfoils? (Pfatchantz)
6. 05:02 PM - Re: Where to buy Gear leg Airfoils? (Charlie England)
7. 05:04 PM - Re: Where to buy Gear leg Airfoils? (Charlie England)
8. 05:09 PM - Re: Where to buy Gear leg Airfoils? (Charlie England)
Message 1
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| Subject: | Re: 3.47:1 gear box |
rickofudall wrote:
> Richard, Try this, mount the fwd dampers upside (short side up) and the aft dampers
as normal. This will give you another inch and a half or so.
>
> Rick
Yeah it would. I am thinking it would also change the thrust line/angle, how would
that work?
--------
Richard Pike
Kolb MKIII N420P (420ldPoops)
Kolb Firefly Part 103 legal
Kingsport, TN 3TN0
Forgiving is tough, being forgiven is wonderful, and God's grace really is amazing.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=499586#499586
Message 2
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| Subject: | Re: 3.47:1 gear box |
I never noticed any effect that wouldn't trim out easily. It doesn't
require any physical change to the aircraft and it's reversible. Just
eight AN-3 bolts and the two AN-6's.
Rick
PS Trying to fix the need for the huge trim tab on the rudder I made a
motor mount plate that turned the engine 5 degrees out of line to the boom
C/L. Didn't make any difference whether I turned the mount over to get
that offset to the opposite side. The only thing I found that did work was
the lower prop rpm of the 4:1 gearbox. My Mk IIIC had a rudder trim tab
that was only 6 inches long and barely had a bend in it. I kept adjusting
until I needed just a touch of left rudder while climbing and a touch of
right rudder in cruise.
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On Wed, Dec 2, 2020 at 8:34 AM Richard Pike <thegreybaron@charter.net>
wrote:
>
>
> rickofudall wrote:
> > Richard, Try this, mount the fwd dampers upside (short side up) and th
e
> aft dampers as normal. This will give you another inch and a half or so.
> >
> > Rick
>
>
> Yeah it would. I am thinking it would also change the thrust line/angle,
> how would that work?
>
> --------
> Richard Pike
> Kolb MKIII N420P (420ldPoops)
> Kolb Firefly Part 103 legal
> Kingsport, TN 3TN0
>
> Forgiving is tough, being forgiven is wonderful, and God's grace really i
s
> amazing.
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=499586#499586
>
>
===========
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>
>
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<http://www.goodreads.com/author/show/43244.Groucho_Marx>
Message 3
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| Subject: | Re: 3.47:1 gear box |
Richard
When I switched from a direct drive VW to reduction drive VW I had a 72"
prop with 7 inch clearance because of reduction drive. It was trimmable but
the first flight was exciting. This added new meaning to power/pitch trim
with the new set up also having about twice the thrust. To be clear the
reduction drive raised the thrust line 6". I flew it that way for about a
year. It is best to keep the trust line as low as possible because it flys
better. I wouldn't be concerned about a 1.5 inch change. Also consider that
the prop to boom clearance would be about the same so maybe the effective
total thrust line change might be less than 1.5.
Rick Neilsen
Redrive VW Powered MKIIIC
On Wed, Dec 2, 2020 at 9:50 AM Richard Girard <aslsa.rng@gmail.com> wrote:
> I never noticed any effect that wouldn't trim out easily. It doesn't
> require any physical change to the aircraft and it's reversible. Just
> eight AN-3 bolts and the two AN-6's.
>
> Rick
>
> PS Trying to fix the need for the huge trim tab on the rudder I made a
> motor mount plate that turned the engine 5 degrees out of line to the boo
m
> C/L. Didn't make any difference whether I turned the mount over to get
> that offset to the opposite side. The only thing I found that did work w
as
> the lower prop rpm of the 4:1 gearbox. My Mk IIIC had a rudder trim tab
> that was only 6 inches long and barely had a bend in it. I kept adjusting
> until I needed just a touch of left rudder while climbing and a touch of
> right rudder in cruise.
>
>
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>
> On Wed, Dec 2, 2020 at 8:34 AM Richard Pike <thegreybaron@charter.net>
> wrote:
>
t
>> >
>>
>>
>> rickofudall wrote:
>> > Richard, Try this, mount the fwd dampers upside (short side up) and
>> the aft dampers as normal. This will give you another inch and a half o
r
>> so.
>> >
>> > Rick
>>
>>
>> Yeah it would. I am thinking it would also change the thrust line/angle,
>> how would that work?
>>
>> --------
>> Richard Pike
>> Kolb MKIII N420P (420ldPoops)
>> Kolb Firefly Part 103 legal
>> Kingsport, TN 3TN0
>>
>> Forgiving is tough, being forgiven is wonderful, and God's grace really
>> is amazing.
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p=499586#499586
>>
>>
>>
>>
>>
>>
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>>
>>
>>
>
> --
> =9CBlessed are the cracked, for they shall let in the light.
=9D Groucho Marx
> <http://www.goodreads.com/author/show/43244.Groucho_Marx>
>
>
Message 4
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| Subject: | Where to buy Gear leg Airfoils? |
Hello Kolbrers,
I am wondering if one of you knows where I can buy plastic Airfoils for my gears
legs. I bought my kit third hand and I have a lot of extra tubing and other
odds and ends that seem to have not relation to the kit. I have enough Airfoil
for my wing struts, but the pieces for my gear legs are 10 short. Aircraft Spruce
only seems to have Aluminum Airfoils available.
Thanks for the help
Nick Cassara
Palmer Alaska
N607AK almost finished
Message 5
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| Subject: | Re: Where to buy Gear leg Airfoils? |
Dennis Carley...in Fla...Advertises on the Kolb postings at Barnstormers...
http://www.uflyit.com/streamline_fairings.htm
Herb
Sent with ProtonMail Secure Email.
Original Message
On Wednesday, December 2, 2020 5:45 PM, Nick Cassara <nickc@mtaonline.net> wrote:
>
> Hello Kolbrers,
>
> I am wondering if one of you knows where I can buy plastic Airfoils for my gears
legs. I bought my kit third hand and I have a lot of extra tubing and other
odds and ends that seem to have not relation to the kit. I have enough Airfoil
for my wing struts, but the pieces for my gear legs are 10 short. Aircraft
Spruce only seems to have Aluminum Airfoils available.
>
> Thanks for the help
>
> Nick Cassara
> Palmer Alaska
>
> N607AK almost finished
>
Message 6
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| Subject: | Re: Where to buy Gear leg Airfoils? |
On 12/2/2020 5:45 PM, Nick Cassara wrote:
>
> Hello Kolbrers,
>
> I am wondering if one of you knows where I can buy plastic Airfoils for my gears
legs. I bought my kit third hand and I have a lot of extra tubing and other
odds and ends that seem to have not relation to the kit. I have enough Airfoil
for my wing struts, but the pieces for my gear legs are 10 short. Aircraft
Spruce only seems to have Aluminum Airfoils available.
>
> Thanks for the help
>
> Nick Cassara
> Palmer Alaska
I used to have a link, but can't find it now. How about:
https://dragonplate.com/streamlined-symmetrical-airfoil-carbon-fiber-tube-237-id-x-095-id-x-24?gclid=Cj0KCQiAk53-BRD0ARIsAJuNhpuI11I0O0Clqwo5Xw3OeOOgrvXt54TmodeWnsMcfpC_1FLm5BoL7PsaAvtKEALw_wcB
If those aren't big enough, you could try Van's Aircraft; they have a
couple of different fiberglass versions, and a wrapped aluminum version:
https://shop.vansaircraft.com/cgi-bin/shop.cgi?ident=1606957087-166-687&browse=misc&product=leg-fair
Charlie
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Message 7
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| Subject: | Re: Where to buy Gear leg Airfoils? |
On 12/2/2020 7:04 PM, Charlie England wrote:
> On 12/2/2020 5:45 PM, Nick Cassara wrote:
>>
>> Hello Kolbrers,
>>
>> I am wondering if one of you knows where I can buy plastic Airfoils
>> for my gears legs. I bought my kit third hand and I have a lot of
>> extra tubing and other odds and ends that seem to have not relation
>> to the kit. I have enough Airfoil for my wing struts, but the pieces
>> for my gear legs are 10 short. Aircraft Spruce only seems to have
>> Aluminum Airfoils available.
>>
>> Thanks for the help
>>
>> Nick Cassara
>> Palmer Alaska
> I used to have a link, but can't find it now. How about:
> https://dragonplate.com/streamlined-symmetrical-airfoil-carbon-fiber-tube-237-id-x-095-id-x-24?gclid=Cj0KCQiAk53-BRD0ARIsAJuNhpuI11I0O0Clqwo5Xw3OeOOgrvXt54TmodeWnsMcfpC_1FLm5BoL7PsaAvtKEALw_wcB
>
>
> If those aren't big enough, you could try Van's Aircraft; they have a
> couple of different fiberglass versions, and a wrapped aluminum version:
> https://shop.vansaircraft.com/cgi-bin/shop.cgi?ident=1606957087-166-687&browse=misc&product=leg-fair
>
>
> Charlie
>
>
Wups; just read a bit farther down my google search.
https://www.uflyit.com/streamline_fairings.htm
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Message 8
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| Subject: | Re: Where to buy Gear leg Airfoils? |
On 12/2/2020 7:05 PM, Charlie England wrote:
> On 12/2/2020 7:04 PM, Charlie England wrote:
>> On 12/2/2020 5:45 PM, Nick Cassara wrote:
>>>
>>> Hello Kolbrers,
>>>
>>> I am wondering if one of you knows where I can buy plastic Airfoils
>>> for my gears legs. I bought my kit third hand and I have a lot of
>>> extra tubing and other odds and ends that seem to have not relation
>>> to the kit. I have enough Airfoil for my wing struts, but the pieces
>>> for my gear legs are 10 short. Aircraft Spruce only seems to have
>>> Aluminum Airfoils available.
>>>
>>> Thanks for the help
>>>
>>> Nick Cassara
>>> Palmer Alaska
>> I used to have a link, but can't find it now. How about:
>> https://dragonplate.com/streamlined-symmetrical-airfoil-carbon-fiber-tube-237-id-x-095-id-x-24?gclid=Cj0KCQiAk53-BRD0ARIsAJuNhpuI11I0O0Clqwo5Xw3OeOOgrvXt54TmodeWnsMcfpC_1FLm5BoL7PsaAvtKEALw_wcB
>>
>>
>> If those aren't big enough, you could try Van's Aircraft; they have a
>> couple of different fiberglass versions, and a wrapped aluminum version:
>> https://shop.vansaircraft.com/cgi-bin/shop.cgi?ident=1606957087-166-687&browse=misc&product=leg-fair
>>
>>
>> Charlie
>>
>>
> Wups; just read a bit farther down my google search.
>
> https://www.uflyit.com/streamline_fairings.htm
>
And:
http://www.ultralightnews.ca/streamlinedfairings/1.html
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