Quickie Plans

Q1 Plans Chapter 17 Page 17-3

Details: Category: Quickie Plans; Published: Monday, 09 June 2008 01:00; Written by Jun Su; Hits: 2299

ENGINE INSTALLATION - PART 2

Note; Engine Installation - Part 1 (pages 17-1 and 17-2) is included with the Quickie Aircraft Kit. That work should be completed prior to tackling Part 2.

ES2 & ES6

Begin by removing ES2, the 1/4” triangular engine mount, from the aircraft.

Using the ES2 center hole (1/4” diam.) that you previously drilled out, layout a 6" diameter circle, a 5” diameter circle, and a 2” diameter circle. Next, using a sabre saw, cut out around the 6" diam. circle line. Be careful not to damage the area between the 5" diam. and 2” diam. lines.

Finally, make ES6 out of the piece of 1/4” aluminum that you just cutout. ES6 is the Propeller Facing Plate, and is 5 inches in outside diameter, with a 2” diam. hole in the center.

INSTALLING THE ENGINE ON ES2

Before the engine can be installed on the firewall, it must be mounted on the ES2 engine plate. Locate the four ES7 spacers, and the four MS20074-05-24 bolts.

Remove from the back of the engine the four bolts shown. Next, using a spacer between the engine and ES2,assemble the combination with the MS20074-05-24 bolts, Torque the bolts to 10 ft/lb (i.e. 120 in/Ib) and safety wire the bolt heads to the ES2 plate (suggest two #30 holes next to each bolt hole in the ES2 plate).

IGNITION COIL MOUNTING

The ignition coil mount is fabricated from .063” x 1” x 4.5” piece of aluminum, as shown. The two mounting holes are drilled upon installation,

The ignition coil mount is attached to the front of the engine by picking up two bolts in the engine block, directly above the front bearing casting. These two bolts are painted red, but should not be confused with the other red bolts that are used for baffling. Two QS100-M32W hose clamps attach the coil to the mount.

Q1 Plans Chapter 17 Page 17-4

Details

Category: Quickie Plans

Published: Monday, 12 May 2008 10:28

Written by Dan Yager

INSTALLING THE ENGINE ON THE FIREWALL

At this point, the engine should be mounted to ES2, and all of the engine mount holes must have been drilled in the firewall.

Mounting the engine on the airframe requires two people. In addition, use foam blocks, or boxes so that the engine can be rested at about the proper height in front of the firewall.

Note the installation drawing showing how each engine mount grouping fits together. Permanently mount the three groupings to the firewall by tightening the AN3 bolts that sandwich the firewall between each pair of ES3’s.

With the three mount groupings in place, position the engine so that one mount at a time can be attached to the ES2 plate/engine combination. Do not tighten each AN4’engine mount bolt down completely; rather, torque them down in sequence until all are tight.

ESM1-1 controls how tight the rubber engine mounts can be “cinched” up. Since each rubber mount is slightly different, the 1.5" length given earlier for ESM1-1 is only approximate. After the three mounts are tight, move the engine around and feel the rubber mounts work. If you can see the rubber mounts not solidly contained in ESM1, then ESM1-1 needs to be shortened some on whichever mounts this occurs on. If the rubber mounts appear to be solidly contained by ESM1, then wait until after the first engine runs to decide whether to shorten ESM1-1 & stiffen up the engine mount system. What you want to avoid is a sloppy feeling when you move the engine around with all engine mount bolts tight.

ES6, the engine lower support Bracket, mounts on both the bottom engine mount bolt on ES2, and on the two rear engine mounting lugs.

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Q1 Plans Chapter 17 Page 17-3

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