NCR Development Environment | Jack Matthews | Activity https://dev.ncrocketry.club/members/jackmatt/activity/ Activity feed for Jack Matthews. Fri, 23 Sep 2022 14:16:29 -0600 https://buddypress.org/?v=9.0.0 en-US 30 hourly 2 2099618cba697311785df846139f9442 Jack Matthews replied to the topic "Scott Corliss" - https://dev.ncrocketry.club/about-us/activity/p/17419/ Tue, 09 Jul 2019 06:21:44 -0600 This sad news is a real kick in the gut. Scott was always smiling and generous with his time. The last time I saw him, I think it was at Mayhem, he was helping his grandkids launch. And seconding your point,…   Read more»

]]> 58eaaab99a4f50ac841a7118d77f56d4 Jack Matthews replied to the topic "Mile High Mayhem" - https://dev.ncrocketry.club/about-us/activity/p/17400/ Tue, 09 Jul 2019 06:21:41 -0600 Great pics, as always, Mike. Thanks for sharing. Jack  

]]> 85fb1744a9d4b9c3d4f2b0b19cc75408 Jack Matthews replied to the topic "Mile High Mayhem" - https://dev.ncrocketry.club/about-us/activity/p/17390/ Tue, 09 Jul 2019 06:21:40 -0600 Sounds like a plan… per my conventional e-mail reply, I'm available to tow both ways. I plan to set up my camp trailer on Thursday and will retrieve the rocket trailer on Thursday PM. Should have a passel o' people around to get…   Read more»

]]> 6e671e1453c16f2d0b748da22dbe0fc9 Jack Matthews replied to the topic "Go for May 7/8" - https://dev.ncrocketry.club/about-us/activity/p/17387/ Tue, 09 Jul 2019 06:21:40 -0600 I can tow. Assuming things are relatively dry, I'll pull my camp trailer down there on Friday afternoon and then go get the rocket trailer. See y'all out there. Jack   

]]> 38060c470c55a4c24f8f0217753f9c40 Jack Matthews replied to the topic "Go for April 2nd" - https://dev.ncrocketry.club/about-us/activity/p/17386/ Tue, 09 Jul 2019 06:21:40 -0600 Joe,If you want I can run up there on Friday (after Wednesday's weather event) and take a look at things. If things look favorable, I can tow both ways on Saturday. Jack

]]> 2c3bd7a638fde1b4c6ec0cefc906b6ed Jack Matthews replied to the topic "NCR January 2016" - https://dev.ncrocketry.club/about-us/activity/p/17377/ Tue, 09 Jul 2019 06:21:37 -0600 Joe   I can tow   In the snow   Even if the temperature   Is well below   ZeroJack

]]> dbc9f3410b047b3d796efe7271ae02a6 Jack Matthews replied to the topic "CTI 38mm - motor ejection removal" - https://dev.ncrocketry.club/about-us/activity/p/17362/ Tue, 09 Jul 2019 06:21:35 -0600 Thanks, Mike — it is a smaller diameter – 2.5″,, and not a lot of volume either if, as planned, I use a 6XL motor, so I'm a little concerned about residual hot gasses expanding up into that space. I do have two 1/4″…   Read more»

]]> 8e8a19c5357d82b48df159be465f67a6 Jack Matthews replied to the topic "NCR March Launch and News" - https://dev.ncrocketry.club/about-us/activity/p/17316/ Tue, 09 Jul 2019 06:21:29 -0600 I can tow out,,, but I have to be in Windsor at 2 PM on Saturday,, so someone else will have to return (unless we quit early for weather related issues).Jack

]]> 823930873f6ef93710815e3b8d5e106c Jack Matthews replied to the topic "November Launch" - https://dev.ncrocketry.club/about-us/activity/p/17257/ Tue, 09 Jul 2019 06:21:21 -0600 I also can’t be there,,, as much as I want (since I missed Oktoberfest also).

]]> b267d3d12095c2b35d4725fee9121f21 Jack Matthews replied to the topic "Woo Hoo Another launch" - https://dev.ncrocketry.club/about-us/activity/p/17206/ Tue, 09 Jul 2019 06:21:15 -0600 Mike,Currently planning on setting up my camp trailer out there on Friday afternoon. If you run into any snags,,, or just rather not have to drive those extra miles early on Saturday morning, give me a call or text and…   Read more»

]]> c5b9a719b7661a4c4fb01d8aa9db3ad1 Jack Matthews replied to the topic "Adding Weight" - https://dev.ncrocketry.club/about-us/activity/p/17202/ Tue, 09 Jul 2019 06:21:14 -0600 Hey, Bear….

…and less than depleted uranium.

Depleted by how much? Think I’ll give your nose cones a wide berth from now on…

]]> 7ae2bd2a1cbe1587c1b3c6f4ec13de05 Jack Matthews replied to the topic "July 2014 Launch" - https://dev.ncrocketry.club/about-us/activity/p/17195/ Tue, 09 Jul 2019 06:21:13 -0600 Ken,Cool video – don’t know much about what’s ‘normal’, but did you notice on the super slow motion,, for just a fraction of a second (must be milliseconds in real time) at between T 0:28 and 0:29 (the frame in…   Read more»

]]> 821257989b7c0b1b031a9951b94e9de7 Jack Matthews replied to the topic "Propellent in casing - temporary storage?" - https://dev.ncrocketry.club/about-us/activity/p/17158/ Tue, 09 Jul 2019 06:21:06 -0600 Got it – nozzle removed, wrapped in plastic, back in the original cardboard tube, packed safely away in a WWII-vintage ammo box.Always wondered about the plastic, though – any issues with static discharge?

]]> 7d986766a1d7d286910a779eab8f5a84 Jack Matthews replied to the topic "Propellent in casing - temporary storage?" - https://dev.ncrocketry.club/about-us/activity/p/17155/ Tue, 09 Jul 2019 06:21:06 -0600 That’s how I interpreted it, Edward. Thanks for the clarification, though. Going downstairs to get it all cleaned up right now…

]]> 5ae1b974def9e5e9002a7084a3eda231 Jack Matthews replied to the topic "Propellent in casing - temporary storage?" - https://dev.ncrocketry.club/about-us/activity/p/17151/ Tue, 09 Jul 2019 06:21:06 -0600 Good point, Edward,,, how Feynman-like of you to think of that. That’s why we ask.I’ll take it apart this evening…

]]> 7e07ef29c92171be86b22dee66971e9f Jack Matthews replied to the topic "Cleaning Day - Thursday Evening 5/15/14" - https://dev.ncrocketry.club/about-us/activity/p/17125/ Tue, 09 Jul 2019 06:21:02 -0600 I’ve told the boss to take this job and…. well hold it for me when I get back. But I will be up Thursday mid-afternoon with little red teardrop in tow to help set up also…

]]> 19ed8a505082ff9589f41b8311bc61ac Jack Matthews replied to the topic "Cinzetti's Raffle" - https://dev.ncrocketry.club/about-us/activity/p/17096/ Tue, 09 Jul 2019 06:20:58 -0600 Agree with Joe on using the tracking a few times to work the kinks out. I put up the Miranda 3 times on L1 motors with the tracking and never needed it. So I was comfortable with its functionality when…   Read more»

]]> d8fc11a5dd1ae342866b33a5fed1a8e4 Jack Matthews replied to the topic "Cinzetti's Raffle" - https://dev.ncrocketry.club/about-us/activity/p/17093/ Tue, 09 Jul 2019 06:20:58 -0600 Dave,I’m firmly planted on the KISS side of the fence. I went with a baby-J in my PML Miranda (and dog collar) for my L2 before I even understood all of the nuances of DD. That Aerial is almost identical…   Read more»

]]> 2fcc7751a3d1f2760f93538b8bce8a7f Jack Matthews replied to the topic "NCR Theodolite" - https://dev.ncrocketry.club/about-us/activity/p/17085/ Tue, 09 Jul 2019 06:20:57 -0600 Chad – I’m in Fort Collins and going to the 3-1 launch (assuming the weather gods don’t snow on our parade again)… I can facilitate the transfer. PM me when/where to pick it up.Dave – if the transfer happens, I’ll…   Read more»

]]> f2d600810fccb7417e26c6532d42793b Jack Matthews replied to the topic "June Launch, June 1 & 2" - https://dev.ncrocketry.club/about-us/activity/p/16947/ Tue, 09 Jul 2019 06:20:36 -0600 Joe… Let’s consider this…Option A – arise early Saturday morning to a bowl of oatmeal and goat bran (or something equally disgusting), and a tepid cup of Earl Grey under the watchful eye of the breakfast police,, and then immediately…   Read more»

]]> eb6d3e4ecc47a544da7b6df2f9d1c6b7 Jack Matthews replied to the topic "June Launch, June 1 & 2" - https://dev.ncrocketry.club/about-us/activity/p/16944/ Tue, 09 Jul 2019 06:20:36 -0600 In the middle of moving ‘stuff’ into our recently finished basement this weekend,,, so wasn’t planning on coming out, but if needed I can make a quick trip out Saturday morning, throw those tables and fire extinguishers in the bed…   Read more»

]]> e31511b594a33cd8ee70a1f507464d83 Jack Matthews replied to the topic "Outreach opportunity" - https://dev.ncrocketry.club/about-us/activity/p/16910/ Tue, 09 Jul 2019 06:20:31 -0600 Very cool, guys… wish I could have been there. As it is, still holed up at the Blue Mountain Inn west of beautiful downtown Rangely, America… home tomorrow.

]]> 3af62a9b0aded3eba9e0659b6ff5eb5d Jack Matthews replied to the topic "Outreach opportunity" - https://dev.ncrocketry.club/about-us/activity/p/16903/ Tue, 09 Jul 2019 06:20:30 -0600 dway – spooky… I literally just got off the phone with a client who wants me to be in Rangely on Tuesday the 14th. I’ll need to postpone that jury duty and was fixin’ to post something here about not…   Read more»

]]> 3e8c714a97542fd948a03b4be89037e0 Jack Matthews replied to the topic "Outreach opportunity" - https://dev.ncrocketry.club/about-us/activity/p/16901/ Tue, 09 Jul 2019 06:20:30 -0600 I’ll give Ms. McCluskey a call – I have a couple of launchers I can scrape together (I think).. and only 15 minutes from her school. Most likely can help her out on the 14th, however I do have a…   Read more»

]]> 3b633d886f5c57dac8ea77214e653044 Jack Matthews replied to the topic "Mini Mayhem" - https://dev.ncrocketry.club/about-us/activity/p/16877/ Tue, 09 Jul 2019 06:20:27 -0600 My van is only two wheel drive, so the poop will be based on twowheel perspective.thanks mikeMike – have to work most of Thursday, but can break loose by about 3 or so. If it’s just a matter of a…   Read more»

]]> b28a06b4fd012cf942d000ae5b056534 Jack Matthews replied to the topic "Mini Mayhem" - https://dev.ncrocketry.club/about-us/activity/p/16854/ Tue, 09 Jul 2019 06:20:24 -0600 17″ of new snow here at the house (west Ft. Collins) in the last three days,,, and still coming down. Potential for more next Monday. Could we be facing the opposite of what we feared? Too wet?

]]> 97ed55189105c545fc53e547f763c7f8 Jack Matthews replied to the topic "Mini Mayhem" - https://dev.ncrocketry.club/about-us/activity/p/16852/ Tue, 09 Jul 2019 06:20:23 -0600 Have to work on Thursday, but planning on hooking up the camp trailer, coming out late on Thursday, and staying for the duration. I can do the return tow on Sunday, if needed.

]]> 30eff291e06cd6a682ba6dd6fe3405ed Jack Matthews replied to the topic "Re: Thanks for the photos." - https://dev.ncrocketry.club/about-us/activity/p/16831/ Tue, 09 Jul 2019 06:20:21 -0600 – Does your friend sell the full-res versions? Dave – I’m sure you can work a deal with Ray. I sent him your contact information,,, he travels a bit, so if you don’t hear from him in a few days,…   Read more»

]]> 83ce736f46b4b25b8efc35086855fbbf Jack Matthews replied to the topic "March Launch" - https://dev.ncrocketry.club/about-us/activity/p/16827/ Tue, 09 Jul 2019 06:20:20 -0600 A photographer friend of mine tagged along yesterday (some of you met Ray),, and since Mike wasn’t there, here’s a few pictures he took. He told me I could share the link..http://www.flickr.com/photos/46635915@N02/sets/72157632902717508/Enjoy…

]]> 2b2b6258bbf9f6ce5162107530dc7d2a Jack Matthews replied to the topic "Lost White Amraam 3 - Atlas site" - https://dev.ncrocketry.club/about-us/activity/p/16803/ Tue, 09 Jul 2019 06:20:17 -0600 Like Dave, I launched in Feb, similar met conditions – a J210 in my PML Miranda, 5.9 lb actual weight on the pad, 48″ chute – RockSim said 7000+ft. Fortunately had a dog collar on board. Went a lot further…   Read more»

]]> 2fd774ead0aa52f2592ddf5e16bbf15a Jack Matthews replied to the topic "Beattie Elementary ideas" - https://dev.ncrocketry.club/about-us/activity/p/16794/ Tue, 09 Jul 2019 06:20:15 -0600 I found the FC Municipal Code that Bear pointed me to,, and had a nice exchange with Sam Aldern, Principal at Beattie Elementary. Asked him if he had any expedited way to get the ‘operational permit’ required. Bottom line -…   Read more»

]]> df3f6acc6e2a24b17433f638329daa73 Jack Matthews replied to the topic "Beattie Elementary ideas" - https://dev.ncrocketry.club/about-us/activity/p/16793/ Tue, 09 Jul 2019 06:20:15 -0600 Bear – thanks for the heads up on the municipal constraints – I’ll talk that over with the principal and see if he has any connections or procedures to get the appropriate approvals.Dave – I like your ideas and obviously…   Read more»

]]> d3d2f8a8c78b1d9331270629aad8f829 Jack Matthews replied to the topic "Pictures From 2/2/2013 Launch" - https://dev.ncrocketry.club/about-us/activity/p/16772/ Tue, 09 Jul 2019 06:20:11 -0600 As always, Mike – great shots – (in both senses – rocketry and photography/videography). Really appreciate you taking the time to take the photos and post.

]]> 80abb15959df988bf36c596087ab7d5e Jack Matthews replied to the topic "Jan. 5 towing, and favor needed" - https://dev.ncrocketry.club/about-us/activity/p/16733/ Tue, 09 Jul 2019 06:20:06 -0600 Steve, yep,,, NAR. Although I have ‘dual citizenship’ for now, I’m using the NAR channels to do the L2 cert.I’ll be torching a Cesaroni J210 (classic) motor (54 mm/ 2gr) – a smallish J (836 N-s) for a smallish rocket…   Read more»

]]> dacafc5544c92937525a1d5de8e52917 Jack Matthews replied to the topic "L2 Cert - Plan B" - https://dev.ncrocketry.club/about-us/activity/p/16724/ Tue, 09 Jul 2019 06:20:05 -0600 You can do an awful lot of great DD practice with I motors, that way it isn’t new when you do your L2. OR, what I did was build a 4″ rocket that can fly either way. I certed on…   Read more»

]]> d7992f5ed0b35e8cd9412fca5d83b0c4 Jack Matthews replied to the topic "L2 Cert - Plan B" - https://dev.ncrocketry.club/about-us/activity/p/16722/ Tue, 09 Jul 2019 06:20:04 -0600 Thanks to all for taking the time to respond — think I will try Plan B,,, although there is a lot of wisdom in what Ken says,, but that “within visible altitude” line keeps getting lower as I get older,…   Read more»

]]> 99b0f5e3238279a8b5cb9646c28585bf Jack Matthews replied to the topic "Towing Saturday Dec. 1 Launch" - https://dev.ncrocketry.club/about-us/activity/p/16703/ Tue, 09 Jul 2019 06:20:02 -0600 Mike – can share the towing (going or coming) if you want. Otherwise, I’ll see you out there early to help with set up.

]]> fcd01665b7f329a2ba58906f4e084940 Jack Matthews replied to the topic "2012 Launches" - https://dev.ncrocketry.club/about-us/activity/p/16695/ Tue, 09 Jul 2019 06:20:01 -0600 Thanks for posting, Mike – all the rocket stuff is cool,,, but the panoramic of the flight line (MHM, I assume) is pretty impressive, too 😮

]]> 9041183dfc91ab8832e004f99f3b07c2 Jack Matthews replied to the topic "November launch" - https://dev.ncrocketry.club/about-us/activity/p/16674/ Tue, 09 Jul 2019 06:19:58 -0600 I’m now equipped with a tow package w/ 2″ ball on my pickup,, so would be glad to do it,,, but having never done it before, I’d need instructions on location, keys, passwords, secret handshakes, and the Captain Midnight decoder…   Read more»

]]> 0674ee2509d5eec39083d95cf0770ce5 Jack Matthews replied to the topic "recovery question" - https://dev.ncrocketry.club/about-us/activity/p/16662/ Tue, 09 Jul 2019 06:19:56 -0600 Can’t add anything to what Bear says and I’m certainly no expert, but have an example of how ‘not simple’ it can get. I built a little Estes kit with ‘enhancements’ – shock cord upgrade, reinforced payload bay, etc. Without…   Read more»

]]> d8885e7d69267a21918991df6acb0be8 Jack Matthews replied to the topic "Octoberfest cancelled?" - https://dev.ncrocketry.club/about-us/activity/p/16633/ Tue, 09 Jul 2019 06:19:52 -0600 Brad – yeppers.The official announcement can be found as a News Item on the Home Page.

]]> 150048131714a0b9c7ec0468030774b4 Jack Matthews replied to the topic "Loaded Motors" - https://dev.ncrocketry.club/about-us/activity/p/16631/ Tue, 09 Jul 2019 06:19:52 -0600 My day job requires that I keep abreast of GHG issues,,, and nitrous is a powerful GHG – with a global warming potential 310 x that of carbon dioxide. A contributing factor is its persistence in the atmosphere – each…   Read more»

]]> 0b39f4bb88ef15d23ef46ca6ead148e5 Jack Matthews replied to the topic "Oktoberfest" - https://dev.ncrocketry.club/about-us/activity/p/16599/ Tue, 09 Jul 2019 06:19:47 -0600 Mike – if it’s a go – I can help with set up on Thursday PM,, I’ll be there Friday through part of Sunday, but, alas, must work on Monday.

]]> 8199d71070455220068aa03fdfe69e3b Jack Matthews replied to the topic "Shielding issues with Dog Collar?" - https://dev.ncrocketry.club/about-us/activity/p/16584/ Tue, 09 Jul 2019 06:19:45 -0600 Thanks, guys – I’d seen reference to that premature ejection problem in scanning old posts – in fact,, a reference to carbon fiber shielding is some of those posts prompted my question about the encapsulating foam.Good idea, Ken – even…   Read more»

]]> f753ddc7fc35ccdb3127d1e5484c8564 Jack Matthews replied to the topic "Shielding issues with Dog Collar?" - https://dev.ncrocketry.club/about-us/activity/p/16581/ Tue, 09 Jul 2019 06:19:45 -0600 Thanks, Warren – I’ll proceed with the plan as drafted.

]]> 796209dfa373eb077ddff73dc87e67bc Jack Matthews replied to the topic "SEARCHING FOR KNOWLEDGE" - https://dev.ncrocketry.club/about-us/activity/p/16570/ Tue, 09 Jul 2019 06:19:42 -0600 Adding to Ken’s and Bear’s responses,,,, another way to think about CP – center of aerodynamic pressure – that is the pressure exerted on the external geometry of your rocket as it travels through the air. So the only way…   Read more»

]]> 9d1c6439625995cc05df69e2d3bd2eec Jack Matthews replied to the topic "Interested in Joining" - https://dev.ncrocketry.club/about-us/activity/p/16567/ Tue, 09 Jul 2019 06:19:42 -0600 Mike – I have also used PML multiple times, and even ordered a set of custom fins from them last January and agree with Dave – a quality operation. I dealt directly with Kim Uroda, their sales manager @ 810-327-1710….   Read more»

]]> 3dd624b9074499c997a52e26eba9d0d4 Jack Matthews replied to the topic "Hybrids at Oktoberfest" - https://dev.ncrocketry.club/about-us/activity/p/16563/ Tue, 09 Jul 2019 06:19:41 -0600 Edward,As we get closer to Oktoberfest, PM me with your specific plans (days you might launch) — I just know hydrids from what I read in the funny papers. I’d like to get a visual on how it really works.

]]> 1babbe1e5fb0c2249c4bbb19bedfe251 Jack Matthews replied to the topic "Another Outreach Opportunity" - https://dev.ncrocketry.club/about-us/activity/p/16509/ Tue, 09 Jul 2019 06:19:34 -0600 Joe – I’m relatively new at this but wouldn’t mind helping out here (Plateville isn’t too far from the Fort), especially if one or more of the other, more experienced guys came along – 60 fourth graders for 45 minutes??…   Read more»

]]> 67e565a159af66aa8aae81e12b5be854 Jack Matthews replied to the topic "Fire works and fire ban for entire state!" - https://dev.ncrocketry.club/about-us/activity/p/16474/ Tue, 09 Jul 2019 06:19:29 -0600 Open question for with more historical knowledge of these things – in light of the current conditions here in Colorado, what are this summer’s alternatives for burning some propellant? I figure we may be able to count on O’Fest, but…   Read more»

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