The Slipstream
Total Page:16
File Type:pdf, Size:1020Kb
VOLUME 22, ISSUE 8 THE SLIPSTREAM THE NEWSLETTER OF GREEN RIVER EAA CHAPTER 441 KENT, WA SEPTEMBER 2020 PRESIDENTS COLUMN, M ARK OWENS GLASAIR LANGING GEAR INSIDE THIS ISSUE: UPDATE: President's Column: crew announced several times that we were a "CG limited" flight, and PRESIDENTS CO L- Airlines in the Pandemic and Weight 1 they could not allow changing seats UMN and Balance from what was assigned. They came MARK OWENS 1 GLASAIR UPDATE Just returned from an extended trip through the cabin and checked each seat...one guy did not move until the GUESS THAT AI R- 4 to the Midwest. We flew on an air- PLANE line based in the Pacific Northwest. FA approached him specifically to get GUESS THAT I N- 4 Of course, masks were required in him out of the exit row. STRUMENT PANEL airports at both ends of the trip. In- 5 We've all had to do weight and bal- D A R I N S R V terestingly, some employees in the ance computations for checkrides, O D D B A L L U P- airports wore gloves, some did not, 5 and sometimes for specific loadings DATES including some TSA agents handling on rare trips. What may not be so P I E T E N P O L UP- 6 everyone's luggage. DATE obvious is that weight and balance is Masks were required on board the just as important for airline operators. EDITORS CORNER 7 airplane. Most passengers I was once on a chartered 727, and AUGUST MEETING 9 scrubbed their own seats (we did) counted something like 35 people MINUTES with disinfectant wipes. Airlines standing in the aisle, waiting for the LAST MONTHS 10 have modified their service. No cab- lav in the back. I did a quick sum in GUESS THAT AIR- PLANES ANSWER in service on trips less than 250 my head and asked the guy standing LAST MONTHS 11 miles. On trips of more than 350, no next to my seat if he understood how GUESS THAT IN- food, but abbreviated beverage ser- much the CG was moved aft by all STRUMENT PANEL vice was offered. those people moving from forward seats to the aisle in the Happily, change fees have gone back...something like 2+ percent. In away. Good thing for me, we had to the case of our flight this week, the change our return trip 3 different airline had obviously very carefully times (long story). But the fare dif- assigned seats to the few people on ference still applied, so we were giv- board (probably lots of cargo down- ing up advance purchase tickets to SPECIAL POINTS OF stairs) and could not stand very much INTEREST: buy short notice tickets (ouch). variation. On 737's, all center seats were PHYSICAL GATHE R- When's the last time you did the cal- INGS TEMPORARILY blocked, which was kind of nice. On ON HOLD UNTIL FUR- culation for a large passenger in the the -800 we were on from Kansas THER NOTICE back seat? Or extra stuff in the bag- City to Seattle, there were maybe 50 WE ARE GOING TO A gage compartment? The big boys VIRTUAL GATHERING people on board. Lots of room to T H I S M O N T H pay attention: we should, too. spread out. No overhead space challenges. With the light load, Fly safe. many passengers were quick to Brian choose their own seats: mostly exit rows with more leg room, etc. What Mark Owens Glasair Landing gear was interesting was that the cabin replacement: Page 2 WHERE DO WE MEET THI S M O N T H ? Meets 4th Mondays 700 pm 17605 SE 288th PL, Kent 2020 The Mellema Hanger OFFICERS President: Brian Lee (253)-639-0489 Parking Vice-President: Mark Owens Secretary: Jake Schultz Crest Airpark Treasurer: Steve Crider S E P T E M B E R Tech Counselors/ Flight Advisors: Virtual meeting with a round table discussion and sharing of photo’s and ideas Brian Lee (253)-639-0489 Dave Nason Program Jonathan Lee Virtual Meeting information: Mondays meeting is again on Zoom: (253) 508-1376 Here are the details: Monday September 28, 7pm-9pm Newsletter Editor: Join Zoom Meeting URL is Click Here Roger Schert Password: 1234 (206) 713-9910 Phone one-tap: US: +12532158782,,98249761414# or +13462487799,,98249761414# [email protected] Meeting URL: https://gettyimages.zoom.us/j/98249761414? pwd=a1dLdm9yV0JrOWV0a3czY2lRUjhjQT09 Join by Telephone For higher quality, dial a number based on your current location. Dial: US: +1 253 215 8782 or +1 346 248 7799 or +1 669 900 6833 or +1 646 876 9923 or +1 301 715 8592 or +1 312 626 6799 or 877 853 5247 (Toll Free) or 888 788 0099 (Toll Free) or 833 548 0276 (Toll Free) or 833 548 0282 (Toll Free) Canada: +1 587 328 1099 or +1 647 374 4685 or +1 647 558 0588 or +1 778 907 2071 or +1 204 272 7920 or +1 438 809 7799 or 855 703 8985 (Toll Free) United Kingdom: +44 131 460 1196 or +44 203 481 5237 or +44 203 481 5240 or +44 203 901 7895 or +44 208 080 6591 or +44 208 080 6592 or +44 330 088 5830 or 0 800 358 2817 (Toll Free) or 0 800 031 5717 (Toll Free) or 0 800 260 5801 (Toll Free) Meeting ID: 982 4976 1414 VOLUME 22, ISSUE 8 Page 3 GLASAIR LANDING GEAR UPDATE: The Glasair kit included a set of Fiberglass landing gear. a. Compare both sides I was never satisfied with the in- b. Compare to the expected stallation and alignment of the measurements from the Glasair original gear. I tried several time manual. to align the gear and never got the 12- To accomplish the bal- same measurements so the gear ance and measurement small may have been cut wrong by me, adjustments to the outboard may have had a different flex right mounting bracket placement is from left to right. I also damage required. the pilot side gear in an incident at Harvey field after which I attempt- This step took about an hour to ed again to correct the alignment. 3- Remove the wheels, drain get the brackets just right and I I ended up with a little tire wear the brake fluid had to make sure that the center mount point stayed at 1/8 inch…. and the passenger wheel about ½ 4- Remove the original landing inch farther aft that the pilot side gear. Inboard and outboard mount 13- Hot glue the brackets in gear. When I had the incident at points. place. Harvey field I ordered Grove Spring Aluminum Gear, Feb, 2019. 5- Using a plumb bob, 14- Verify that the planned bracket drill spots are not to It was about 4 months in delivery a. Mark on the floor, left and close to the edge of the landing and I was not willing to take the right sides of the firewall, measure gear. down time to complete the re- and mark the center of left and right placement. Landing gear replace- 15- When satisfied drill 1 hole b. Mark on the floor the center ment was supposed to be a quick at a time and install a ¼ bolt, of the fuselage tail. and easy change but I knew bet- locknut and washer before mov- ter. With the original gear I started c. Mark the center line on the ing to the next hole. with a raw product that required floor from tail to center of firewall 16- When on side is complet- trimming and sizing both end of and firewall left to right, extend the ed, verify measurements again each gear leg. The product from firewall lines out 20 inches. Grove was much nicer. It included before proceeding to the second ready to install gear including gun 6- Measure and centerpunch 4 side. drill spots on each of the outboard drilled brake lines drilled inside the 17- Connect brake lines, landing gear. The process is mounting brackets. 18- Reinstall wheels and 7- Loosely install the outboard 1- Remove the seats, console brakes and seat pans mounting brackets on the landing gear. 19- Bleed the brakes…. 2- Jack up and level the plane 8- Mount the inboard landing 20- Check toe in alignment. gear attach points . Recommended toe in is 1% 9- Raise and temporarily install 21- Fabricate toe in shims. the outboard mounting bolts. a. I needed shims with 10- Set the inboard mount a .020 slope over the 2 inches of points 1/8 inch from center on both the axel mount space. sides. i. Grove has some pretty 11- Using a plumb bob measure good information on the website, from the center line to the center of they also sell shims. I made my the landing gear. Measure from the own. extended firewall line to the center 22- Roll test by placing a few of the landing gear. magazine pages in front of each Page 4 TECH COUNSELORS AND FLIGHT ADVISORS Chapter 441 is fortu- The shop doesn’t need to be cleaned nate to have two for a visit. All are quite used to looking tech counselors. at pieces, parts, and assorted bits, and Feel free to call Brian will be happy to answer questions, offer (253)-369-0489 , or Dave Nason any advice, and generally talk time. You don’t need to wait for some about projects, building, significant milestone in your project. flying, or whatever. Remember, this is not an “inspection”.