Hi Harold Were / are your wings built as per the orginal KR 1 / KR2 Method. As described in the Oskosh 1972 review of the KR 1?
Thanks Regards, Tim Australia t...@dodo.com.au ----- Original Message ----- From: "Harold Woods" <haroldwo...@rogers.com> To: <kr...@mylist.net> Sent: Friday, February 17, 2006 12:50 PM Subject: KR> dynel > Hi Netters, > The original specification for the covering of the wings etc was dynel. I > did that. I later found out how weak it was. It really was a prepaint > covering.I layed down a layer of 6 oz. boat cloth over it. That is what I > am > going to fly with. ( If I can ever get it done). > Harold woods > Orillia, On. Canada > haroldwo...@rogers.com > > > > ----- Original Message ----- > From: <krnet-requ...@mylist.net> > To: <kr...@mylist.net> > Sent: Thursday, February 16, 2006 12:00 AM > Subject: KRnet Digest, Vol 348, Issue 95 > > > Send KRnet mailing list submissions to > kr...@mylist.net > > To subscribe or unsubscribe via the World Wide Web, visit > http://mylist.net/listinfo/krnet > or, via email, send a message with subject or body 'help' to > krnet-requ...@mylist.net > > You can reach the person managing the list at > krnet-ow...@mylist.net > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of KRnet digest..." > > > Today's Topics: > > 1. Re: Carbon Fibre (3343V) > 2. RE: Carbon Fibre (Joachim Saupe) > 3. Re: Carbon Fibre (Steve Eberhart) > 4. Tim Haynes engine information (olson gary) > 5. Tail Graphics (Mark Jones) > 6. Scolding - Krnet etiquette (Barry Kruyssen) > 7. Re: Carbon Fibre (Tim Haynes) > 8. Re: Carbon Fibre (Mark Langford) > 9. Re: Tail Graphics (Robert L. Stone) > 10. Registry Windows XP (Martindale Family) > 11. sunset ar 6000 feet (Harold Woods) > 12. Re: Tim Haynes engine information reply to Gary (Tim Haynes) > 13. Ellison carb "problem" solved (Mark Langford) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Wed, 15 Feb 2006 15:05:50 -0600 > From: "3343V" <33...@swbell.net> > Subject: Re: KR> Carbon Fibre > To: "KRnet" <kr...@mylist.net> > Message-ID: <00e601c63273$9988e030$0c00a8c0@Katana> > Content-Type: text/plain; format=flowed; charset="iso-8859-1"; > reply-type=original > > Ron Smith wrote: >> >> Much has been written regarding the use of Kevlar and its' >> difficulty to work with. However Kevlar's strength is not much lower >> than CF >> while it has excellent properties such as vibration reduction, >> superior >> strength, lower weight (than traditional e-glass) and excellent damage >> resistance. > > Kevlar is easy to cut as long as you use the right tools. Ceramic shears > aren't cheap, but they work. Just don't try to sand it. It won't happen. > Just turns into yellow fuzz that's next to impossible to get rid of. I > just > put a layer of glass over it, bag it with peel ply, and leave it alone > until > it's primed. If you're careful with the layup it'll be flat enough that > high > build primer will take care of any problems with the surface. > -- > Steve > 33...@swbell.net > He who seeks will find, and he who knocks will be let in. > > > > > ------------------------------ > > Message: 2 > Date: Wed, 15 Feb 2006 15:18:36 -0600 > From: "Joachim Saupe" <jsaupe6...@earthlink.net> > Subject: RE: KR> Carbon Fibre > To: "KRnet" <kr...@mylist.net> > Message-ID: <410-220062315211836...@earthlink.net> > Content-Type: text/plain; charset=US-ASCII > > Ron, > they have the antenna on the outside! > Joachim > Fort Worth, Texas > > >> [Original Message] >> From: Ron Smith <mercedesm...@yahoo.com> >> To: KRnet <kr...@mylist.net> >> Date: 2/15/2006 2:29:42 PM >> Subject: RE: KR> Carbon Fibre >> >> >> >> Doug Rupert <drup...@sympatico.ca> wrote: Tim first of all you must > decide the overall mission of your >> aircraft. Super fast, or what seems to be the norm with others on the > list. >> First be advised that CF blocks all radio, GPS signals. That said, if you >> wish a clean exterior, low drag machine use carbon fiber sparingly. The >> forward boat ahead of the wing as well as cowl, wheel fairings and pants >> >> >> I was wondering how people who build aluminum airplanes ever communicate > with anyone? :) >> >> >> Ron Smith >> Kr2ssxl >> Cypress Ca U.S.A. >> mercedesm...@yahoo.com >> http://ronsmith.myphotoalbum.com/albums.php >> >> --------------------------------- >> Yahoo! Mail >> Use Photomail to share photos without annoying attachments. >> _______________________________________ >> Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp >> to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net >> please see other KRnet info at http://www.krnet.org/info.html > > > > > > ------------------------------ > > Message: 3 > Date: Wed, 15 Feb 2006 17:04:00 -0600 > From: Steve Eberhart <st...@newtech.com> > Subject: Re: KR> Carbon Fibre > To: KRnet <kr...@mylist.net> > Message-ID: <43f3b360.1000...@newtech.com> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > Ron Smith wrote: > >> >>I was wondering how people who build aluminum airplanes ever communicate >>with anyone? :) >> >> > We communicate, we're just talking to ATC :-) > > Steve Eberhart > RV-7A Slider, wing and tail done and working on the Fuselage > > > > ------------------------------ > > Message: 4 > Date: Wed, 15 Feb 2006 18:10:13 -0600 > From: "olson gary" <olsontrees...@hotmail.com> > Subject: KR> Tim Haynes engine information > To: kr...@mylist.net > Message-ID: <bay103-f395dcdeb93f92bf188dc8faa...@phx.gbl> > Content-Type: text/plain; format=flowed > > I have had the privilege of belonging to several e-mail groups where > everyone enjoyed helping each other achieve their dreams and goals of > building an aircraft. Recently there has been an incredible amount of > griping from a few of the members of this group. It is directed at others > simply trying to tap into the vast knowledge base that exists in this > club. > > I had recently posted an item for sale on the site that was purchased by > another member. The item was extremely popular and I received several > e-mails regarding it. I thought it best for everyone including myself that > I > forward one of the e-mails to the group with my reply that the item was > sold. My intention was to let any other interested members know that it > was > sold and not to waste their time or mine by inquiring about it. Lo and > behold, I was sent an e-mail by one other fellow that accused me of spam > mail. His e-mail to me "by his very own definition" was SPAM. I did not > want > it or ask for it, but he felt it was his job to dress me down for wasting > his time. Wouldn't it have been easier to just click the box along with > the > rest of the posts that you had no interest in and delete it instead of > going > thru the trouble of sending me a accusatory reply? The reason that we > belong > to these groups is because we are not all-knowing or perfect and sometimes > we make mistakes with regard to posting items. We are looking for help, > not > to be scolded like a 2 year old. For all of the truly good hearted and > helpful people on the list, thank you. I am sorry for wasting your time. > For > the other few, perhaps a little tolerance of those who are not as perfect > as > you would go a long way!! > > Gary Olson > Oshkosh > > > > > > ------------------------------ > > Message: 5 > Date: Wed, 15 Feb 2006 18:37:27 -0600 > From: "Mark Jones" <flyk...@wi.rr.com> > Subject: KR> Tail Graphics > To: "KR Net" <kr...@mylist.net> > Message-ID: <000801c63291$2b078e40$6401a...@wi.rr.com> > Content-Type: text/plain; charset="iso-8859-1" > > Just in case anyone is interested :-) here is a link which shows the > tail > graphics I just applied. > http://flykr2s.com/photo.html > > Mark Jones (N886MJ) > Wales, WI USA > E-mail me at flyk...@wi.rr.com > Visit my NEW > KR-2S CorvAIRCRAFT web site at www.flykr2s.com > > > > > ------------------------------ > > Message: 6 > Date: Thu, 16 Feb 2006 10:50:11 +1000 > From: "Barry Kruyssen" <k...@bigpond.com> > Subject: KR> Scolding - Krnet etiquette > To: "'KRnet'" <kr...@mylist.net> > Message-ID: > <20060216005026.XWVB17345.omta04ps.mx.bigpond.com@T1W100490> > Content-Type: text/plain; charset="us-ascii" > > Hi Gary > > I wish to offer you my moral support. > > At times there is junk email by our members, some of the threads go on > toooooooooooooooo long and a high percentage of the threads end up way off > subject. > > But the knowledge here is extremely good and useful, and there is so much > that it can be a major job to wade through it get the relevant > information. > That's why some of us ask questions that have already been asked, patients > please. > > Gary's info saying every thing was sold already was useful to those that > were still thinking of buying it. Not everything is relevant to everyone > (what do I care about the "William" thread, it has gone on way to long and > I > have a Jabiru :-) > > We should be more patient and respectful of each other ............ > > ...........AND TRY TO KEEP INFORMATION RELEVANT AND CONCISE SO AS NOT TO > CLUTTER THE ARCHIVES. > > Sorry to go on like this but some people may get offended by some of the > replies they get, especially the public ones (I expect to get a few choice > replies from this email, they will all be deleted and I will not respond > to > them, I may not even read them.... Yes I will. :-) > > Best regards > > Thick Skinned - Barry Kruyssen > Cairns, Australia > k...@bigpond.com > http://www.users.bigpond.com/kr2/kr2.htm > > -----Original Message----- > From: krnet-boun...@mylist.net [mailto:krnet-boun...@mylist.net] On Behalf > Of olson gary > Sent: Thursday, 16 February 2006 10:10 AM > To: kr...@mylist.net > Subject: KR> Tim Haynes engine information > > I have had the privilege of belonging to several e-mail groups where > everyone enjoyed helping each other achieve their dreams and goals of > building an aircraft. Recently there has been an incredible amount of > griping from a few of the members of this group. It is directed at others > simply trying to tap into the vast knowledge base that exists in this > club. > > I had recently posted an item for sale on the site that was purchased by > another member. The item was extremely popular and I received several > e-mails regarding it. I thought it best for everyone including myself that > I > forward one of the e-mails to the group with my reply that the item was > sold. My intention was to let any other interested members know that it > was > sold and not to waste their time or mine by inquiring about it. Lo and > behold, I was sent an e-mail by one other fellow that accused me of spam > mail. His e-mail to me "by his very own definition" was SPAM. I did not > want > it or ask for it, but he felt it was his job to dress me down for wasting > his time. Wouldn't it have been easier to just click the box along with > the > rest of the posts that you had no interest in and delete it instead of > going > thru the trouble of sending me a accusatory reply? The reason that we > belong > to these groups is because we are not all-knowing or perfect and sometimes > we make mistakes with regard to posting items. We are looking for help, > not > to be scolded like a 2 year old. For all of the truly good hearted and > helpful people on the list, thank you. I am sorry for wasting your time. > For > the other few, perhaps a little tolerance of those who are not as perfect > as > you would go a long way!! > > Gary Olson > Oshkosh > > > > _______________________________________ > Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp > to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net please > see other KRnet info at http://www.krnet.org/info.html > > > > > ------------------------------ > > Message: 7 > Date: Thu, 16 Feb 2006 10:55:57 +1000 > From: "Tim Haynes" <t...@dodo.com.au> > Subject: Re: KR> Carbon Fibre > To: "KRnet" <kr...@mylist.net> > Cc: Walter <radov...@primus.com.au> > Message-ID: <05f801c63293$c0527ad0$761e443d@ibmsi9gk5oq78q> > Content-Type: text/plain; format=flowed; charset="windows-1250"; > reply-type=original > > Hi Doug > > Thanks for your email. I am a little confused. You Say " If your not > worried > about total performance then go ahead and use carbon" ???? The reason i > want > to use carbon is is for its superior properties and was considering a > lighter weight than glass. Also where multipul layers are required with > glass that would not be the case in carbon. An immediate weight saving, > and > a stiffer structure. As you suggested with seats, spats etc. > > In my intial email re Carbon i stated yes we understand Carbon is stronger > than eglass. It was in the area of "Buckeling" i was particualy interested > in if used for wingskins. Does its properties in this area exceeded > eglass.If so I would then feel comfortable to use a calculated lighter > weight than the eglass used in the premouled skins presently avalaible. > Mark > said he used Carbon weight of 5.85 ounce / yard (on the majority of his > KR2) the same weight as if using glass in relation to the wingskins. And i > presume a single or at least less layers than glass than glass in the > other > areas. > > Mark are your Carbon wing skins premoulded ??? A question re KR2 original > plans. Is it correct the original plans of the KR2 show dynal sheathing as > the nominated wing skin.Is this is the case, as i understand it. Dynal > offers no structual bennefits only acting as a skin to paint.It also > weighs > almost nothing. Out of interest if dynal was / is used it would not be > premoulded. What technique was used, was there a layer of thin foam > underneath the Dynal. ??? > > Thanks for all you help and patience > > Regards, > > Tim, Australia > t...@dodo.com.au > > > ----- Original Message ----- > From: "Doug Rupert" <drup...@sympatico.ca> > To: "'KRnet'" <kr...@mylist.net> > Sent: Thursday, February 16, 2006 4:02 AM > Subject: RE: KR> Carbon Fibre > > > Tim first of all you must decide the overall mission of your > aircraft. Super fast, or what seems to be the norm with others on the > list. > First be advised that CF blocks all radio, GPS signals. That said, if you > wish a clean exterior, low drag machine use carbon fiber sparingly. The > forward boat ahead of the wing as well as cowl, wheel fairings and pants > come to mind. If you're not that worried about total performance the go > ahead and use carbon fiber BUT you best have a wad of cash, this stuff > isn't > cheap. Myself, I would use CF for the seat pan and especially the seat > back > and bulkhead at the rear of the baggage shelf. Why? Exactly those > properties > that make CF undesirable for internal radio antennas. Passive radiation > from > said antenna are not exactly a boon to ones health. Want an example? Lay > your hand on the antenna and push the transmit button. Next day your hand > will look like a football it will be so swollen. (watch the flame wars > start > over that statement) > Much has been written regarding the use of Kevlar and its' > difficulty to work with. However Kevlar's strength is not much lower than > CF > while it has excellent properties such as vibration reduction, superior > strength, lower weight (than traditional e-glass) and excellent damage > resistance. For my own KR I went with the composite boat method of > construction. This does away with the outer plywood skin and replaces it > with foam between all the boat formers and sandwiched both sides with > fabric > (be it glass, Kevlar or carbon fiber). The inner skin on mine will be of > Kevlar since the overall finish is hidden away. The outer covering is > S-Glass which is 30% stronger, 15 % stiffer and retains those properties > up > to 1500 degrees. S-Glass is finished the same way as traditional E-Glass > so > you can achieve a truly outstanding outer finish on the aircraft. Hope > this > helps with the carbon fiber issue. > As to engines, well many have responded already but I don't know > what a Jabaru sells for in Australia so I don't feel comfortable > commenting > on the issue other than the lighter weight of the Jab may necessitate > using > a longer engine mount to keep the CG with range. > Doug Rupert > Simcoe Ontario > > I have already tried 2 twice to acecess the information via KRnet > Archives. > For both Carbon Info and Jabiru 3300 info. Nil results. ! I read the > instructions re wording to use still no luck ? > > Regards, Tim > > > -- > No virus found in this outgoing message. > Checked by AVG Free Edition. > Version: 7.1.371 / Virus Database: 267.15.7/259 - Release Date: 2/13/2006 > > > > > > > -------------------------------------------------------------------------------- > > >> _______________________________________ >> Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp >> to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net >> please see other KRnet info at http://www.krnet.org/info.html > > > > > ------------------------------ > > Message: 8 > Date: Wed, 15 Feb 2006 19:38:16 -0600 > From: "Mark Langford" <n5...@hiwaay.net> > Subject: Re: KR> Carbon Fibre > To: "KRnet" <kr...@mylist.net> > Message-ID: <000e01c63299$aa4a02c0$2802a8c0@2600xp> > Content-Type: text/plain; format=flowed; charset="windows-1250"; > reply-type=original > > Tim wrote: > >> Mark are your Carbon wing skins premoulded ??? > > See http://home.hiwaay.net/~langford/owings.html . > > Mark Langford, Harvest, AL > see homebuilt airplane at http://www.N56ML.com > email to N56ML "at" hiwaay.net > > info at http://www.krnet.org/info.html > > > > ------------------------------ > > Message: 9 > Date: Wed, 15 Feb 2006 19:46:00 -0600 > From: "Robert L. Stone" <rsto...@hot.rr.com> > Subject: Re: KR> Tail Graphics > To: "KRnet" <kr...@mylist.net> > Message-ID: <000801c6329a$bd643050$5d817646@yourat5qgaac3z> > Content-Type: text/plain; charset="iso-8859-1" > > Hay Mark, > Here is a Texas compliment, > > That flying mochine of yours sho is a hansom critter. > > Bob Stone, Harker Heights, Tx > rsto...@hot.rr.com > > ----- Original Message ----- > From: "Mark Jones" <flyk...@wi.rr.com> > To: "KR Net" <kr...@mylist.net> > Sent: Wednesday, February 15, 2006 6:37 PM > Subject: KR> Tail Graphics > > >> Just in case anyone is interested :-) here is a link which shows the >> tail graphics I just applied. >> http://flykr2s.com/photo.html >> >> Mark Jones (N886MJ) >> Wales, WI USA >> E-mail me at flyk...@wi.rr.com >> Visit my NEW >> KR-2S CorvAIRCRAFT web site at www.flykr2s.com >> >> >> _______________________________________ >> Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp >> to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net >> please see other KRnet info at http://www.krnet.org/info.html >> > > ------------------------------ > > Message: 10 > Date: Thu, 16 Feb 2006 12:53:25 +1100 > From: "Martindale Family" <johnja...@optusnet.com.au> > Subject: KR> Registry Windows XP > To: "KRnet" <kr...@mylist.net> > Message-ID: <000601c6329b$c83760f0$6400a8c0@desktop> > Content-Type: text/plain; charset="iso-8859-1" > > Folks, off topic I know but I've been having such problems lately with my > computer running intermittently slowly. > > I downloaded Reg Seeker from www.hoverdesk.net/freeware.htm and gave it a > burl....... It found 1410 problems in my registry. When added to the 394 > bits of spyware uncovered by AdAware, I'm amazed the electrons moved at > all. > Use at your own risk but it sure fixed me up. I'm a happy little Vegemite > now. > > John > > Martindale Family > 29 Jane Circuit > TOORMINA NSW 2452 > AUSTRALIA > > ph: 61 2 66584767 > mobile: 0417584767 > > email: johnja...@optusnet.com.au > web: www.members.optusnet.com.au/johnjanet/Martindale.htm > > ------------------------------ > > Message: 11 > Date: Wed, 15 Feb 2006 21:27:24 -0500 > From: "Harold Woods" <haroldwo...@rogers.com> > Subject: KR> sunset ar 6000 feet > To: <kr...@mylist.net> > Message-ID: <00a401c632a0$85ee9740$6500a8c0@HAROLD> > Content-Type: text/plain; charset="Windows-1252" > > Hi Netters > One of the best motivational elements was Marks photo of "sunset at 6000 > feet". If for no other reason, I should finish my KR, it is because I can > view nature from such a lovely "perch". > Regards > Harold Woods > Orillia, ON. > Canada. > haroldwo...@rogers.com > > > > > ------------------------------ > > Message: 12 > Date: Thu, 16 Feb 2006 13:33:02 +1000 > From: "Tim Haynes" <t...@dodo.com.au> > Subject: Re: KR> Tim Haynes engine information reply to Gary > To: <gtol...@hotmail.com>, "KRnet" <kr...@mylist.net> > Message-ID: <064e01c632a9$b2590c80$761e443d@ibmsi9gk5oq78q> > Content-Type: text/plain; format=flowed; charset="iso-8859-1"; > reply-type=original > > Gary, well put. Perhaps i could contribute, > > Its not always what you say, its how its you say it. > Tim > Australia > t...@dodo.com.au > ----- Original Message ----- > From: "olson gary" <olsontrees...@hotmail.com> > To: <kr...@mylist.net> > Sent: Thursday, February 16, 2006 10:10 AM > Subject: KR> Tim Haynes engine information > > >>I have had the privilege of belonging to several e-mail groups where >> everyone enjoyed helping each other achieve their dreams and goals of >> building an aircraft. Recently there has been an incredible amount of >> griping from a few of the members of this group. It is directed at others >> simply trying to tap into the vast knowledge base that exists in this >> club. >> >> I had recently posted an item for sale on the site that was purchased by >> another member. The item was extremely popular and I received several >> e-mails regarding it. I thought it best for everyone including myself >> that >> I >> forward one of the e-mails to the group with my reply that the item was >> sold. My intention was to let any other interested members know that it >> was >> sold and not to waste their time or mine by inquiring about it. Lo and >> behold, I was sent an e-mail by one other fellow that accused me of spam >> mail. His e-mail to me "by his very own definition" was SPAM. I did not >> want >> it or ask for it, but he felt it was his job to dress me down for wasting >> his time. Wouldn't it have been easier to just click the box along with >> the >> rest of the posts that you had no interest in and delete it instead of >> going >> thru the trouble of sending me a accusatory reply? The reason that we >> belong >> to these groups is because we are not all-knowing or perfect and >> sometimes >> we make mistakes with regard to posting items. We are looking for help, >> not >> to be scolded like a 2 year old. For all of the truly good hearted and >> helpful people on the list, thank you. I am sorry for wasting your time. >> For >> the other few, perhaps a little tolerance of those who are not as perfect >> as >> you would go a long way!! >> >> Gary Olson >> Oshkosh >> >> >> >> _______________________________________ >> Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp >> to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net >> please see other KRnet info at http://www.krnet.org/info.html > > > > > ------------------------------ > > Message: 13 > Date: Wed, 15 Feb 2006 22:07:52 -0600 > From: "Mark Langford" <n5...@hiwaay.net> > Subject: KR> Ellison carb "problem" solved > To: "KRnet" <kr...@mylist.net> > Message-ID: <000801c632ae$8ebe6ae0$2802a8c0@2600xp> > Content-Type: text/plain; format=flowed; charset="iso-8859-1"; > reply-type=original > > Harold Woods wrote: > >> One of the best motivational elements was Marks photo of "sunset at 6000 >> feet". > > Thanks, Harold. I took a few more today! > > Today I adjusted my mixture linkage so that the carb wouldn't be so rich > at > "full rich". This pretty much solved the rich mixture problem. For the > last few weeks, full throttle made the mixture go suddenly lean, but > pulling > the mixture out a quarter inch made it much richer, which simply doesn't > make sense to me. For whatever reason, readjusting the mixture lever to a > more lean position solved that problem, so now when it's full rich, it's > really full rich. I also covered up the ram air and started sucking > warmer > air from under the cowling, so now I never have to worry about carb heat. > This is just a temporary experiment, but I think I like the resulting > improvement in fuel distribution, with no real decrease in power. The > range > at which the mixture is acceptable seemed to be much larger today. Of > course it was also much warmer today than it has been, so that may also be > a > factor. I'll reinstall ram air in Spring, if not before, because under > cowling temps will soar then. The engine really ran perfectly today, so I > flew for 45 minutes until it got so dark I had to land. I have to admit > to > hollering a few YEEEEEHAAAAAAAAAAs while doing cricles around the house. > > Ellison owners may want to check the bottom quarter of > http://home.hiwaay.net/~langford/fuel/ for something interesting when > rebuild time rolls around... > > Mark Langford, Harvest, AL > see homebuilt airplane at http://www.N56ML.com > email to N56ML "at" hiwaay.net > > > > > ------------------------------ > > _______________________________________________ > See KRnet list details at http://www.krnet.org/instructions.html > > End of KRnet Digest, Vol 348, Issue 95 > ************************************** > > > _______________________________________ > Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp > to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net > please see other KRnet info at http://www.krnet.org/info.html