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Eric Greenwell Guest
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Posted: Fri Sep 19, 2003 1:28 am Post subject: Flying a motorglider without the engine? |
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In article <bkldoh$32i1t$1 (AT) ID-49798 (DOT) news.uni-berlin.de>,
[email]REMOVE_TO_REPLY.markboyd (AT) aol (DOT) com[/email] says...
| Quote: | It seems clear that the glider must have the same major
components throughout the contest as during the first
contest flight. But is it OK for a motorglider pilot
to remove the engine and fly the whole contest without
it installed?
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Yes, at least for most self-launchers. The motor is not a required
component on my ASH 26 E, and the flight manual details the changes
required. For a contest, it'd have to be done before the first contest
day (or maybe it's before the first contest flight).
| Quote: | Has anyone ever done this,
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I know it's been done, but don't remember the pilots.
| Quote: | or are there
weight and balance issues, as well as airworthiness
problems?
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In my case, the main battery(s) must be removed, and probably some
weight (could be a standard 7 AH battery) installed in the tail,
depending on the pilot weight.
| Quote: | If not, it seems like it might be great
to own a motorglider, and if the contest looked like
it would be flown in light conditions, just remove
the engine for that contest.
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Yes!
| Quote: | Or just for regular flying
too.
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I've fantasized about doing this with my ASH 26 E: it'd be a dream
ship in weak conditions, with a wing loading of 6.7 pounds/sqft. At
8.2 pounds/sqft, it already climbs as well as an unballasted 15 m
glider.
| Quote: | How much of a hassle is it to remove or reinstall
an engine?
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One hour to remove the engine, and maybe another hour or so to shift
the batteries around to get the CG right and empty the fuel tank. For
a contest, I'd also want to install the second (inner) set of bags to
allow ballasting to the full max weight.
| Quote: | Has anyone out there removed an engine
from a motorglider and then flown it?
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Anyone?
--
!Replace DECIMAL.POINT in my e-mail address with just a . to reply
directly
Eric Greenwell
Richland, WA (USA)
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Tom Seim Guest
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Posted: Tue Sep 23, 2003 4:38 am Post subject: Re: Flying a motorglider without the engine? |
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| Quote: | Has anyone out there removed an engine
from a motorglider and then flown it?
Anyone?
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I did it for one season after having a propeller mast breakdown. It
required a new removing the nose batteries, adding tail ballast, and a
weight & balance. If you are set up to do it 1-2 hours would do.
Otherwise you will spend a day. Moffitt also did it for the 1984 15M
nationals (also a DG-400).
Tom
DG-400
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