---------------------------------------------------------- TeamGrumman-List Digest Archive --- Total Messages Posted Thu 07/31/08: 8 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 06:28 AM - New/Prototype Grumman front air vent airbox (Brian Hausknecht) 2. 07:06 AM - Re: New/Prototype Grumman front air vent airbox (flyv35b) 3. 08:32 AM - Re: New/Prototype Grumman front air vent airbox (Steve Roberts) 4. 08:59 AM - Re: New/Prototype Grumman front air vent airbox (Gil Alexander) 5. 10:29 AM - Re: New/Prototype Grumman front air vent airbox (Brian Hausknecht) 6. 11:02 AM - Re: New/Prototype Grumman front air vent airbox (Steve Roberts) 7. 12:34 PM - Re: New/Prototype Grumman front air vent airbox (923te) 8. 09:02 PM - Re: New/Prototype Grumman front air vent airbox (teamgrumman@aol.com) ________________________________ Message 1 _____________________________________ Time: 06:28:52 AM PST US From: "Brian Hausknecht" Subject: TeamGrumman-List: New/Prototype Grumman front air vent airbox Hi, Update for people who do not use the Grumman Gang email server. At the Oshkosh AYA forum, John Sjaardema showed his front vent insert that replaces the old louvers with a pair of eyeball vents for each side ($80 for the set). He also displayed a prototype for a new air vent airbox and is looking for feedback on the design and interest in members for possible production. More information and pictures on my blog at: http://brianflys.net/2008/07/29/oshkosh-new-front-ventsairboxes-for-grummans/ Cheers! _________________ Brian Hausknecht Tiger N28289 Fly Tigers -- Doors are for Cars! www.Brianflys.net (blog) www.Brianflys.com (aerial photos) ________________________________ Message 2 _____________________________________ Time: 07:06:33 AM PST US From: "flyv35b" Subject: Re: TeamGrumman-List: New/Prototype Grumman front air vent airbox I see two potential problems with these vents from looking at the photos, w hich granted is not a very good way to make a judgment. They are made of plastic which is not nearly as durable as the aluminum ven ts and typically cost much less. They are relatively small diameter compared to the original vents and most likely the air velocity will be quite high which is not usually desirable. Generally you want lots of air flow and low velocity and the original vent s did a pretty good job in this regard. Van's Aircraft sells a much larger diameter swivel ball vent that is made f rom hard anodized aluminum. It has a round inlet and would have to have s ome adapter duct to connect it with the Grumman NACA inlet, so it would not be an easy installation. Maybe the new ducts will turn out to be a good a lternative to the original. I'd like to hear from someone who has installe d them. Sure would be nice if they were black instead of white. Cliff ----- Original Message ----- From: Brian Hausknecht To: teamgrumman-list@matronics.com Sent: Thursday, July 31, 2008 6:26 AM Subject: TeamGrumman-List: New/Prototype Grumman front air vent airbox Hi, Update for people who do not use the Grumman Gang email server. At the Oshkosh AYA forum, John Sjaardema showed his front vent insert tha t replaces the old louvers with a pair of eyeball vents for each side ($80 for the set). He also displayed a prototype for a new air vent airbox and is looking fo r feedback on the design and interest in members for possible production. More information and pictures on my blog at: http://brianflys.net/2008/07/29/oshkosh-new-front-ventsairboxes-for-grumm ans/ Cheers! =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F Brian Hausknecht Tiger N28289 Fly Tigers -- Doors are for Cars! www.Brianflys.net (blog) www.Brianflys.com (aerial photos) =5F-=========================================================== =5F-= - The TeamGrumman-List Email Forum - =5F-= Use the Matronics List Features Navigator to browse =5F-= the many List utilities such as List Un/Subscription, =5F-= Archive Search & Download, 7-Day Browse, Chat, FAQ, =5F-= Photoshare, and much much more: =5F-= --> http://www.matronics.com/Navigator=3FTeamGrumman-List =5F-=========================================================== =5F-= - MATRONICS WEB FORUMS - =5F-= Same great content also available via the Web Forums! =5F-= --> http://forums.matronics.com =5F-=========================================================== =5F-= - List Contribution Web Site - =5F-= Thank you for your generous support! =5F-= -Matt Dralle, List Admin. =5F-= --> http://www.matronics.com/contribution =5F-=========================================================== --------------------------------------------------------------------------- --- Checked by AVG. 7:37 AM -- ________________________________ Message 3 _____________________________________ Time: 08:32:55 AM PST US From: "Steve Roberts" Subject: Re: TeamGrumman-List: New/Prototype Grumman front air vent airbox Cliff, I bought a set of them at the convention. Mine are black. Work and other commitments have prevented me from installing them yet. I saw Levy had posted to the Nazi list that he has a set installed and he is pleased with his. John advised if I am not pleased with them just send them back and he would be happy to give me a full refund. I'll post once I have mine in. I hope to get them in next week one day as I want to get them in while it's still hot... We shall not cease from exploration. And at the end of all our exploring Will be to arrive were we started And know the place for the first time - T. S. Eliot Steve Roberts - AA-1B N641HY @ ILG ----Original Message Follows---- From: "flyv35b" Subject: Re: TeamGrumman-List: New/Prototype Grumman front air vent airbox I see two potential problems with these vents from looking at the photos, which granted is not a very good way to make a judgment. They are made of plastic which is not nearly as durable as the aluminum vents and typically cost much less. They are relatively small diameter compared to the original vents and most likely the air velocity will be quite high which is not usually desirable. Generally you want lots of air flow and low velocity and the original vents did a pretty good job in this regard. Van's Aircraft sells a much larger diameter swivel ball vent that is made from hard anodized aluminum. It has a round inlet and would have to have some adapter duct to connect it with the Grumman NACA inlet, so it would not be an easy installation. Maybe the new ducts will turn out to be a good alternative to the original. I'd like to hear from someone who has installed them. Sure would be nice if they were black instead of white. Cliff ----- Original Message ----- From: Brian Hausknecht To: teamgrumman-list@matronics.com Sent: Thursday, July 31, 2008 6:26 AM Subject: TeamGrumman-List: New/Prototype Grumman front air vent airbox Hi, Update for people who do not use the Grumman Gang email server. At the Oshkosh AYA forum, John Sjaardema showed his front vent insert that replaces the old louvers with a pair of eyeball vents for each side ($80 for the set). He also displayed a prototype for a new air vent airbox and is looking for feedback on the design and interest in members for possible production. More information and pictures on my blog at: http://brianflys.net/2008/07/29/oshkosh-new-front-ventsairboxes-for-grummans/ Cheers! _________________ Brian Hausknecht Tiger N28289 Fly Tigers -- Doors are for Cars! www.Brianflys.net (blog) www.Brianflys.com (aerial photos) ------------------------------------------------------------------------------ Checked by AVG. 7:37 AM -- ________________________________ Message 4 _____________________________________ Time: 08:59:47 AM PST US From: Gil Alexander Subject: Re: TeamGrumman-List: New/Prototype Grumman front air vent airbox No-one has reported the 100F outside temperature test yet....:^) One option is to completely remove the internal on/off control inside the eyeball and just use the "vent" push/pull knob for flow control. This should get you much more air flow, but does sort of negate returning it.... The part is a hard plastic material (ABS?) that is formed in a 3D forming machine (also called rapid prototyping) - no molds involved. gil A -- still running 100F here in Tucson.... At 08:28 7/31/2008, Steve Roberts wrote: > >Cliff, I bought a set of them at the convention. Mine are black. >Work and other commitments have prevented me from installing them >yet. I saw Levy had posted to the Nazi list that he has a set >installed and he is pleased with his. John advised if I am not >pleased with them just send them back and he would be happy to give >me a full refund. I'll post once I have mine in. I hope to get them >in next week one day as I want to get them in while it's still hot... > >We shall not cease from exploration. >And at the end of all our exploring >Will be to arrive were we started >And know the place for the first time - T. S. Eliot > >Steve Roberts - AA-1B N641HY @ ILG ________________________________ Message 5 _____________________________________ Time: 10:29:43 AM PST US From: "Brian Hausknecht" Subject: Re: TeamGrumman-List: New/Prototype Grumman front air vent airbox One clarification on the airbox version. John said this was a prototype, so the material, color, and finish don't reflect the final product yet. I understand the final version would be black and some sort of hard plastic. The forward end is sized to fit the rectangular opening in the fuselage (same dimension opening as the existing airbox) and will have a screen built into the airbox. On Thu, Jul 31, 2008 at 8:57 AM, Gil Alexander wrote: > No-one has reported the 100F outside temperature test yet....:^) > > One option is to completely remove the internal on/off control inside the > eyeball and just use the "vent" push/pull knob for flow control. > > This should get you much more air flow, but does sort of negate returning > it.... > > The part is a hard plastic material (ABS?) that is formed in a 3D forming > machine (also called rapid prototyping) - no molds involved. > > gil A -- still running 100F here in Tucson.... > > > At 08:28 7/31/2008, Steve Roberts wrote: > > aa1bflyboy@msn.com> > > Cliff, I bought a set of them at the convention. Mine are black. Work and > other commitments have prevented me from installing them yet. I saw Levy had > posted to the Nazi list that he has a set installed and he is pleased with > his. John advised if I am not pleased with them just send them back and he > would be happy to give me a full refund. I'll post once I have mine in. I > hope to get them in next week one day as I want to get them in while it's > still hot... > > We shall not cease from exploration. > And at the end of all our exploring > Will be to arrive were we started > And know the place for the first time - T. S. Eliot > > Steve Roberts - AA-1B N641HY @ ILG > > * > > > * > > ________________________________ Message 6 _____________________________________ Time: 11:02:15 AM PST US From: "Steve Roberts" Subject: Re: TeamGrumman-List: New/Prototype Grumman front air vent airbox Ah a cool 85 here in Wilmington but it feels like 90... I bet your 100 feels like 325... (the inside of an oven at moderate baking temp)... LOL We shall not cease from exploration. And at the end of all our exploring Will be to arrive were we started And know the place for the first time - T. S. Eliot Steve Roberts - AA-1B N641HY @ ILG ----Original Message Follows---- From: Gil Alexander Subject: Re: TeamGrumman-List: New/Prototype Grumman front air vent airbox No-one has reported the 100F outside temperature test yet....:^) One option is to completely remove the internal on/off control inside the eyeball and just use the "vent" push/pull knob for flow control. This should get you much more air flow, but does sort of negate returning it.... The part is a hard plastic material (ABS?) that is formed in a 3D forming machine (also called rapid prototyping) - no molds involved. gil A -- still running 100F here in Tucson.... At 08:28 7/31/2008, Steve Roberts wrote: > > >Cliff, I bought a set of them at the convention. Mine are black. Work and >other commitments have prevented me from installing them yet. I saw Levy >had posted to the Nazi list that he has a set installed and he is pleased >with his. John advised if I am not pleased with them just send them back >and he would be happy to give me a full refund. I'll post once I have mine >in. I hope to get them in next week one day as I want to get them in while >it's still hot... > >We shall not cease from exploration. >And at the end of all our exploring >Will be to arrive were we started >And know the place for the first time - T. S. Eliot > >Steve Roberts - AA-1B N641HY @ ILG ________________________________ Message 7 _____________________________________ Time: 12:34:14 PM PST US From: "923te" <923te@att.net> Subject: Re: TeamGrumman-List: New/Prototype Grumman front air vent airbox I am surprised that Levy would put a part on his plane that does not have the proper paperwork. As in no PMA or other FAA requirements....interesting Any one concerned about the lack of paperwork and the legality of installing these parts? ----- Original Message ----- From: Steve Roberts To: teamgrumman-list@matronics.com Sent: Thursday, July 31, 2008 10:28 AM Subject: Re: TeamGrumman-List: New/Prototype Grumman front air vent airbox Cliff, I bought a set of them at the convention. Mine are black. Work and other commitments have prevented me from installing them yet. I saw Levy had posted to the Nazi list that he has a set installed and he is pleased with his. John advised if I am not pleased with them just send them back and he would be happy to give me a full refund. I'll post once I have mine in. I hope to get them in next week one day as I want to get them in while it's still hot... We shall not cease from exploration. And at the end of all our exploring Will be to arrive were we started And know the place for the first time - T. S. Eliot Steve Roberts - AA-1B N641HY @ ILG ----Original Message Follows---- From: "flyv35b" To: Subject: Re: TeamGrumman-List: New/Prototype Grumman front air vent airbox Date: Thu, 31 Jul 2008 07:06:15 -0700 I see two potential problems with these vents from looking at the photos, which granted is not a very good way to make a judgment. They are made of plastic which is not nearly as durable as the aluminum vents and typically cost much less. They are relatively small diameter compared to the original vents and most likely the air velocity will be quite high which is not usually desirable. Generally you want lots of air flow and low velocity and the original vents did a pretty good job in this regard. Van's Aircraft sells a much larger diameter swivel ball vent that is made from hard anodized aluminum. It has a round inlet and would have to have some adapter duct to connect it with the Grumman NACA inlet, so it would not be an easy installation. Maybe the new ducts will turn out to be a good alternative to the original. I'd like to hear from someone who has installed them. Sure would be nice if they were black instead of white. Cliff ----- Original Message ----- From: Brian Hausknecht To: teamgrumman-list@matronics.com Sent: Thursday, July 31, 2008 6:26 AM Subject: TeamGrumman-List: New/Prototype Grumman front air vent airbox Hi, Update for people who do not use the Grumman Gang email server. At the Oshkosh AYA forum, John Sjaardema showed his front vent insert that replaces the old louvers with a pair of eyeball vents for each side ($80 for the set). He also displayed a prototype for a new air vent airbox and is looking for feedback on the design and interest in members for possible production. More information and pictures on my blog at: http://brianflys.net/2008/07/29/oshkosh-new-front-ventsairboxes-for-grumm ans/ Cheers! _________________ Brian Hausknecht Tiger N28289 Fly Tigers -- Doors are for Cars! www.Brianflys.net (blog) www.Brianflys.com (aerial photos) ------------------------------------------------------------------------- ----- Checked by AVG. 7:37 AM -- ________________________________ Message 8 _____________________________________ Time: 09:02:17 PM PST US Subject: Re: TeamGrumman-List: New/Prototype Grumman front air vent airbox From: teamgrumman@aol.com Hi, I saw the vents.? My only thought was they are the plastic eyeball vents and I wonder how long they will last.? Not a bad idea.? I wish they were more . . . .? professional? looking. -----Original Message----- From: Brian Hausknecht Sent: Thu, 31 Jul 2008 8:26 am Subject: TeamGrumman-List: New/Prototype Grumman front air vent airbox Hi, Update for people who do not use the Grumman Gang email server. At the Oshkosh AYA forum, John Sjaardema showed his front vent insert that replaces the old louvers with a pair of eyeball vents for each side ($80 for the set). He also displayed a prototype for a new air vent airbox and is looking for feedback on the design and interest in members for possible production. More information and pictures on my blog at: http://brianflys.net/2008/07/29/oshkosh-new-front-ventsairboxes-for-grummans/ Cheers! _________________ Brian Hausknecht Tiger N28289 Fly Tigers -- Doors are for Cars! www.Brianflys.net (blog) www.Brianflys.com (aerial photos) ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message teamgrumman-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/TeamGrumman-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/teamgrumman-list Browse Digests http://www.matronics.com/digest/teamgrumman-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.