KR> Fuselage to wing fairings? Stregga
http://www.platinumfighters.com/#!strega/c2113 Strega is for sale - 2.65MM. Buy two, they're small. :) Mark W. N952MW (res) -Original Message- From: KRnet [mailto:krnet-bounces at list.krnet.org] On Behalf Of Mark Langford via KRnet Sent: Friday, May 27, 2016 9:40 AM To: KRnet Cc: Mark Langford Subject: Re: KR> Fuselage to wing fairings? Pete Klapp wrote: >> I recently read that Mark Langford noted that Strega does --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus
KR> Fuselage to wing fairings?
No worries mate.
I make mistakes too
Adam Tippin
A KR2S builder
> On May 27, 2016, at 5:06 PM, John Martindale via KRnet list.krnet.org> wrote:
>
> Whoops red faces, misread Adam's message..sorry mate you're totally correct.
> John
>
> John Martindale
> 29 Jane Circuit
> Toormina NSW 2452
> Australia
>
> ph:61 2 6658 4767
> m:0403 432179
> email:john_martindale at bigpond.com
> web site:
>
> -Original Message-
> From: KRnet [mailto:krnet-bounces at list.krnet.org] On Behalf Of John
> Martindale via KRnet
> Sent: Saturday, 28 May 2016 6:58 AM
> To: 'KRnet'
> Cc: John Martindale
> Subject: Re: KR> Fuselage to wing fairings?
>
> Not sure geometry bears that one out, Adam :-)
> 2piR/4 is less than 2R
>
> John Martindale
> 29 Jane Circuit
> Toormina NSW 2452
> Australia
>
> ph:61 2 6658 4767
> m:0403 432179
> email:john_martindale at bigpond.com
> web site:
> -Original Message-
> From: KRnet [mailto:krnet-bounces at list.krnet.org] On Behalf Of Adam via
> KRnet
> Sent: Saturday, 28 May 2016 6:23 AM
> To: KRnet
> Cc: Adam
> Subject: Re: KR> Fuselage to wing fairings?
>
> To add my .02 worth. Fillet or not Fillet?
> The common target for our KR is light and fast.
> That being said, the less surface area, the less drag. An L shaped corner
> has more surface area than a concave "(" shape of same height/length.
>
> Adam
>
>
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KR> Fuselage to wing fairings?
12h + 12L = 24 surface area 12r x 3.14 = 37.68/4= 9.42 surface area. I win Adam Tippin A KR2S builder > On May 27, 2016, at 4:58 PM, John Martindale via KRnet list.krnet.org> wrote: > > Not sure geometry bears that one out, Adam :-) >
KR> Fuselage to wing fairings?
To add my .02 worth. Fillet or not Fillet?
The common target for our KR is light and fast.
That being said, the less surface area, the less drag. An L shaped corner has
more surface area than a concave "(" shape of same height/length.
Adam
KR> Fuselage to wing fairings?
Thanks Mark. > To: krnet at list.krnet.org > Date: Fri, 27 May 2016 12:58:50 -0500 > Subject: Re: KR> Fuselage to wing fairings? > From: krnet at list.krnet.org > CC: ml at n56ml.com > > Pete Klapp wrote: > > >>What are you leaning towards? If the fuselage sides are vertical as > mine are, is a small fillets okay?<< > > I'd probably do it much like before, except (as I mentioned on the > website) I'd run the wing skins all the way to the fuselage and use a > small micro fillet on the front part, and where (if) the fuselage starts > diverging before the trailing edge I'd transition to a larger fillet > like the one I did. > > > Mark Langford > ML at N56ML.com > http://www.n56ml.com > > > ___ > Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search. > To UNsubscribe from KRnet, send a message to KRnet-leave at list.krnet.org > please see other KRnet info at http://www.krnet.org/info.html > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change > options
KR> Fuselage to wing fairings?
Pete Klapp wrote: >>What are you leaning towards? If the fuselage sides are vertical as mine are, is a small fillets okay?<< I'd probably do it much like before, except (as I mentioned on the website) I'd run the wing skins all the way to the fuselage and use a small micro fillet on the front part, and where (if) the fuselage starts diverging before the trailing edge I'd transition to a larger fillet like the one I did. Mark Langford ML at N56ML.com http://www.n56ml.com
KR> Fuselage to wing fairings?
MarkSO!!! What are you leaning towards? If the fuselage sides are vertical as mine are, is a small fillets okay? My fuselage starts to taper into prior to trailing edge of the wing so maybe a larger, broader fillet there would be a good thing?!Any thoughts?Pete > To: krnet at list.krnet.org > Date: Fri, 27 May 2016 09:56:52 -0500 > Subject: Re: KR> Fuselage to wing fairings? > From: krnet at list.krnet.org > CC: ml at n56ml.com > > HA! After reading my own stub wing website, I did say that about an > airplane...Nemesis, and then recommended exactly what Pete mentioned...a > simple micro fillet between the joints. It's a good thing I did this > website...so I'd know how to build my next one the fast and "good enough > for KR work" way... > > http://www.n56ml.com/fillets.html > > Mark Langford > ML at N56ML.com > http://www.n56ml.com > > > ___ > Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search. > To UNsubscribe from KRnet, send a message to KRnet-leave at list.krnet.org > please see other KRnet info at http://www.krnet.org/info.html > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change > options
KR> Fuselage to wing fairings?
MarkSorry I got you wrong as the author. Maybe your name was somewhere in the post and I thought you had said it. Strega is a highly modified P-51 pylon racer, Reno air race type.So based on what you and Larry have done, it looks like I'm doing wing root fillets.Thanks, Pete > To: krnet at list.krnet.org > Date: Fri, 27 May 2016 09:39:38 -0500 > Subject: Re: KR> Fuselage to wing fairings? > From: krnet at list.krnet.org > CC: ml at n56ml.com > > Pete Klapp wrote: > > >> I recently read that Mark Langford noted that Strega does not have > >> large radius fillets. You'd think they would have them as they are > >> trying tosqueeze every mph that they can from that airframe > > I don't remember saying that about any airplane, and am not sure what a > Strega is (Google says "italian for witch" and an Italian liquor). > > I put a fairly large fillet radius between wing and fuselage, using a 3" > diameter cardboard tube with some 36 grit floor sander adhesive belt > wrapped around it. 4" PVC pipe works fine too. It knocked that job out > rather quickly, although glassing any inside radius is a bit of a pain > in the butt. See http://www.n56ml.com/fillets.html for excruciating > details on how I did my wing root fillets. Despite fretting over it for > years, the actual job went pretty quickly once I set my mind to it... > > Mark Langford > ML at N56ML.com > http://www.n56ml.com > > > ___ > Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search. > To UNsubscribe from KRnet, send a message to KRnet-leave at list.krnet.org > please see other KRnet info at http://www.krnet.org/info.html > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change > options
KR> Fuselage to wing fairings?
HA! After reading my own stub wing website, I did say that about an airplane...Nemesis, and then recommended exactly what Pete mentioned...a simple micro fillet between the joints. It's a good thing I did this website...so I'd know how to build my next one the fast and "good enough for KR work" way... http://www.n56ml.com/fillets.html Mark Langford ML at N56ML.com http://www.n56ml.com
KR> Fuselage to wing fairings?
Pete Klapp wrote: >> I recently read that Mark Langford noted that Strega does not have >> large radius fillets. You'd think they would have them as they are >> trying tosqueeze every mph that they can from that airframe I don't remember saying that about any airplane, and am not sure what a Strega is (Google says "italian for witch" and an Italian liquor). I put a fairly large fillet radius between wing and fuselage, using a 3" diameter cardboard tube with some 36 grit floor sander adhesive belt wrapped around it. 4" PVC pipe works fine too. It knocked that job out rather quickly, although glassing any inside radius is a bit of a pain in the butt. See http://www.n56ml.com/fillets.html for excruciating details on how I did my wing root fillets. Despite fretting over it for years, the actual job went pretty quickly once I set my mind to it... Mark Langford ML at N56ML.com http://www.n56ml.com
KR> Flight Test Progress
"found the right leg interfering with left stick movement; removed my wallet for a fix" Your wallet must be fatter than mine :-) Good detail in your reports. Keep it up. Cheers, Tony
