Grob 102 Manual

[Mario Roby]

Ihave a ggplot2 object that I'm trying to add a legend for some vlines. I followed the following:(ggplot2: manually add a legend) but I was unable to get my desired output. Any suggestions are much appreciated.

I am a CFIG who has not flown in years. I do keep in my CFI current for the day I do return to flying. I did have a flight recently last feb at Newcastle in the ASK-21. I could fly the tow and gliding, once I got to the landing I knew I was behind the curve and gave the stick back to John. I have been trying to sell my extra house (house rich and cash poor) and once I do I am interested in getting back to flying. However glider clubs are still hour and a half drive. I will be hitting up Bermuda High Soaring to get current.

As a side note, I have seen it mentioned but I can't really find evidence of this. Has anybody really developed a conversion kit for the Rotax 912 conversion kit? Personally the airframes have much life to give, I am not so sure about the motor and availability of parts.

Thank you for replying. One thing that I have done is owned at least two beetles and my grandfather owned a Volkswagen repair shop. I know those engines, alas I was never very good with tuning the carb and with mags I don't have to fuss with a distributor ( I hope ). I prefer computer controlled EFI but that's me. ?

Back to the question on long distance flying with the GROB 109A. How is it? What is baggage space is like? I have read through the GROB 109 B flight manual. I have not found a 109 manual. The limit is 44 pounds. that is more than plenty sufficient for two people packing light. I see the weight limit is 240 per seat and my own weight is 220 (maybe I really need to get serous about my diet ? ).

Grob is really fun to fly but might be a little bit tricky if your experiences limit to i.e. Cessnas. The first big difference is that it needs lot of rudder when turning. The inertia is quite high because of the long wings so flying it ball in the middle takes some time to get use to. Might be that if you are glider pilot it is easier. On left crosswind the takeoff is pretty easy to handle but on right crosswind you need practice as in the G109A the left rudder authority plus the spin direction of the propeller makes it hard to keep in the center line. With wide runway, no problem as you can fly an "arch" sideways but on narrow you have to be very aware of this charasteristic. G109B is better on this.

I really thank you for posting. As for long wings, I have spent many hours in the GROB 103 and know the joys of cross control thermals. ? I have a dream of getting a motorglider but cost and money is really limiting choices. I would love to see the grob 109 community start switching to the Rotax 912 however I have seen much public data on that.

This section contains Service Bulletins (SB) and technical information for the aircraft G 115.

For inquiries related to Service Bulletins or Service Letters, please contact us via product...@grob-aircraft.com.

Grid graphics provides an alternative to the standard R graphics.The user is able to define arbitrary rectangular regions (calledviewports) on the graphics device and define a number ofcoordinate systems for each region. Drawing can be specified to occurin any viewport using any of the available coordinate systems.

A string or numericvector specifying the justification of the viewportrelative to its (x, y) location. If there are two values, the firstvalue specifies horizontal justification and the second value specifiesvertical justification. Possible string values are: "left","right", "centre", "center", "bottom",and "top". For numeric values, 0 means left alignmentand 1 means right alignment.

One of "on", "inherit", or"off", indicating whether toclip to the extent of this viewport, inherit the clipping regionfrom the parent viewport, or turn clipping off altogether.For back-compatibility, a logical value of TRUE correspondsto "on" and FALSE corresponds to "inherit".

One of "none" (or FALSE)or "inherit" (or TRUE) or a grob (or a gTree) or the result of call toas.mask. This specifies that the viewportshould have no mask, or it should inherit the mask of its parent,or it should have its own mask, as described by the grob.

The location and size of a viewport are relative to the coordinatesystems defined by the viewport's parent (either a graphical deviceor another viewport). The location and size can be specified in avery flexible way by specifying them with unit objects.When specifying the location of a viewport, specifyingboth layout.pos.row and layout.pos.col as NULLindicates thatthe viewport ignores its parent's layout and specifies its ownlocation and size (via its locn). If only one oflayout.pos.row and layout.pos.col is NULL, thismeans occupy ALL of the appropriate row(s)/column(s). For example,layout.pos.row = 1 and layout.pos.col = NULL meansoccupy all of row 1. Specifying non-NULL values for bothlayout.pos.row and layout.pos.col means occupy theintersection of the appropriate rows and columns. If a vector oflength two isspecified for layout.pos.row or layout.pos.col, thisindicates a range of rows or columns to occupy. For example,layout.pos.row = c(1, 3) and layout.pos.col = c(2, 4)means occupy cells in the intersection of rows 1, 2, and 3, andcolumns, 2, 3, and 4.

Clipping obeys only the most recent viewport clip setting.For example, if you clip to viewport1, then clip to viewport2,the clipping region is determined wholly by viewport2, thesize and shape of viewport1 is irrelevant (until viewport2is popped of course).

Viewport names need not be unique. When pushed, viewportssharing the same parent must have unique names, which means thatif you push a viewport with the same name as an existing viewport,the existing viewport will be replaced in the viewport tree.A viewport name can be any string, butgrid uses thereserved name "ROOT" for the top-level viewport. Also,when specifying a viewport name in downViewportand seekViewport, it is possible to provide a viewportpath, which consists of several names concatenated using theseparator (currently ::). Consequently, it is notadvisable to use this separator in viewport names.

The viewport tree always has a single root viewport (created by thesystem) which corresponds to the entire device (and defaultgraphical parameter settings). Viewports may be added to the treeusing pushViewport() and removed from the tree usingpopViewport().

There is only ever one current viewport, which is the currentposition within the viewport tree. All drawing andviewport operations are relative to the current viewport.When a viewport is pushed it becomes the current viewport.When a viewport is popped, the parent viewport becomesthe current viewport. Use upViewport to navigate to the parentof the current viewport, without removing the current viewportfrom the viewport tree. Use downViewport to navigate toa viewport further down the viewport tree and seekViewportto navigate to a viewport anywhere else in the tree.

A mask may be specified for a viewport either directly asa grob or using this function. In the former case, the resultis an alpha mask. This function allows the user to definea luminance mask instead.

The metric information from this function is basedon the font settings that are in effect when this function is called.It will not necessarily correspond to the metric information of anytext that is drawn on the page.

Depths of paths are pretty straightforward because they containno branchings. The depth of a viewport stack is the sum of the depthsof the components of the stack. The depth of a viewport tree isthe depth of the parent plus the depth of the children.The depth of a viewport list is the depth of the last componentof the list.

These functions differ from the functions like convertX()because they convert from the coordinate systems within a viewportto inches on the device (i.e., from one viewport to another) andbecause they only deal with pairs of values (locations or dimensions).

preDrawDetails is called first during the drawing of a grob.This is where any additional viewports should be pushed. Note thatthe default behaviour for grobs is to push any viewports in thevp slot, and for gTrees is to also push and up any viewports in thechildrenvp slot so there is typically nothing to do here.

drawDetails is called next and is where any additionalcalculations and graphical output should occur.Note that the default behaviourfor gTrees is to draw all grobs in the children slotso there is typically nothing to do here.

postDrawDetails is called last and should reverse anythingdone in preDrawDetails (i.e., pop or up any viewports that werepushed). Note that thedefault behaviour for grobs is to pop any viewports that were pushedso there is typically nothing to do here.

This function is called by grid.edit and editGrob.A method should be written for classes derived from grob or gTreeif a change in a slot has an effect on other slots in the grob orchildren of a gTree (e.g., see grid:::editDetails.xaxis).

All grid viewports and (predefined) graphical objects have a slotcalled gp, which contains a "gpar" object. Whena viewport is pushed onto the viewport stack and when a graphical objectis drawn, the settings in the "gpar" object are enforced.In this way, the graphical output is modified by the gpsettings until the graphical object has finished drawing, or until theviewport is popped off the viewport stack, or until some otherviewport or graphical object is pushed or begins drawing.

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