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HeliTorque :: View topic - Helicopter Safari to Libya October 2011
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Helicopter Safari to Libya October 2011
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Samrutherford
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PostPosted: Tue Nov 16, 2010 1:29 pm    Post subject: Helicopter Safari to Libya October 2011 Reply with quote

Just a quick post to let you know that we're running our first Helicopter only Safari to Libya next Autumn.

You can see some videos of our last one (mostly planes, but with an R44); if you do a search on YouTube for 'prepare2go'.

Anyone who wants more info, please look at our site www.prepare2go.com and get in touch. We're planning on doing a world first (and have a lot of fun at the same time).

Safe flights, Sam.
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animalsticks
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PostPosted: Thu Nov 18, 2010 12:30 am    Post subject: Reply with quote

Hey Sam

This looks great - i can imagine it costing quite a lot - i noticed you start in malta; are the machines provided? What types will be used? i'm considering distances/ speed/ fuel burn - would an R22 or cabri be too small/slow/carry enough fuel etc.

What a fantastic holiday idea - just have to convince the wife. Cool
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Samrutherford
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PostPosted: Thu Nov 18, 2010 5:10 am    Post subject: Reply with quote

Hi animal sticks,

R22 would be fine for the 'light traveller' once in Libya, but there's 200nm of Med between Malta and Tripoli which is not a sensible proposition without endurance tanks.

Cabri G2 should be fine (much greater range), but suffers from similar luggage issue. Not unsurmountable, but depends on personal comfort levels (washing 'the other set of clothes' every night etc.!).

It's a BYO trip, either owned or rented - we don't supply the aircraft unfortunately.

Please send me an email if you'd like the infopack on the Safari.

Safe flights, Sam.


PS yes, it is expensive!
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PostPosted: Mon Nov 29, 2010 6:21 am    Post subject: new video Reply with quote

Dear All,

New 14 minute film of our last trip in Libya, mostly flimed from an R44.

http://www.youtube.com/watch?v=MZUdWLiTrMg

Safe flights, Sam.
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PostPosted: Fri Dec 03, 2010 6:04 pm    Post subject: Reply with quote

and now a very old video of my first tour in Northern Ireland.

The soundtrack has been disabled, unfortunately.

Safe flights, Sam.


http://www.youtube.com/watch?v=POVXQ0jn28Y
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PostPosted: Mon Oct 31, 2011 8:20 am    Post subject: Reply with quote

Libya didn't happen this year (!), but will happen next...

Also Algeria, and the North Pole - all for helicopters...

Fly safe, Sam.
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PostPosted: Mon Oct 31, 2011 10:24 am    Post subject: Reply with quote

Nice trip Sam. Out of interest did you make any changes to the aircraft flight in sand environment, airfilters etc?

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PostPosted: Tue Nov 08, 2011 5:35 pm    Post subject: Reply with quote

After damaging the blades on the Libya trip, we fitted airwolf blade tape - but in fact the key is flying technique:

Avoid the sandiest areas
Zero-zero landings
Towering take-offs

Essentially, minimising the time spent in the low hover and being 'positive' with your transition (starting and stopping) through the area zero-50ft.

Whilst the air is re-circulating you are in the damage zone - so whilst there is no re-circulation (either no pitch on the blades or HOGE) there is no problem.

Cheers, Sam.[/list]
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PostPosted: Tue Nov 08, 2011 7:39 pm    Post subject: Reply with quote

Lycoming Service Instruction No. 1530:

Quote:

SUBJECT: Engine Inspection in Particulate-Laden Environments (Volcanic Ash, Sand, Dust, Airborne Debris)
MODELS AFFECTED: All Lycoming aircraft engines.

TIME OF COMPLIANCE: Immediately after flight or ground operation in particulate-laden atmospheres

NOTE
Incomplete review of all the information in this document can cause errors. Read the entire Service Instruction to make sure you have a complete understanding of the requirements

This service instruction gives guidelines for operation, inspection, and service of Lycoming engines which have been operated in atmospheres that have particulate matter such as dust, sand, debris, and volcanic ash.

Inlet air which contains volcanic ash or other particulates can cause damage to piston engines. Solid deposits can collect on engine baffles or other engine surfaces to prevent engine cooling. Accumulation of deposits on the induction air filter can prevent air flow to the engine and decrease engine power.

If deposits get into the engine oil, engine malfunction and/or failure can occur from abrasive wear.


CAUTION
DO NOT USE WATER INITIALLY TO REMOVE VOLCANIC ASH. WHEN
VOLCANIC ASH COMES INTO CONTACT WITH WATER, IT CAN BECOME A
HARDENED, CORROSIVE COMPOUND.

NOTE
Given the dynamic conditions of volcanic ash, Lycoming recommends that engines not be operated in areas where volcanic ash is seen in the air or on the ground. Ash on the ground and runways can inadvertently get into the engine compartment and cause engine damage during landing or take-off.

However, if during flight, the engine is in a particulate laden atmosphere, do the following:
1. Monitor the engine temperature during flight. (Damaged or blocked cooling baffles or heavy deposits on engine cooling surfaces can decrease cooling efficiency and cause the engine to overheat.)
2. If the engine is not operating smoothly in flight, make a safe landing as soon as possible. Identify and repair the cause of rough operation.


In the event that the engine has been in particulate-laden atmospheres, especially volcanic ash clouds or with ash on the ground, Lycoming recommends that you do all of the standard actions shown in Table 1.
[...]
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PostPosted: Wed Nov 09, 2011 7:41 am    Post subject: Reply with quote

Thanks for that - we wondered the same but as far as we can tell the general desert environment is not 'particulate laden'.

After the first trip to Libya, with lots of time spent in the low hover over sand (oops), we had damage to the leading edges of the main blades (no tape fitted then). On inspection afterwards, even in that sandy atmosphere, the filters were clean (no dirtier than normal).

As long as you're flying correctly (as per my post above) and you avoid sandstorms (either fly away or land immediately and shut down and wait) it doesn't seem that engine contamination, or indeed blade wear, is a problem.

Cheers, Sam.
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PostPosted: Thu Nov 10, 2011 5:57 pm    Post subject: Reply with quote

You'll find that the sand composition varies between deserts - having never operated in Libya I can offer no opinion.

Our 2 notable issues have been:
1. Fuel contamination
2. Heat damage to battery packs on window-mounted GPS's
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PostPosted: Fri Nov 11, 2011 7:01 am    Post subject: Reply with quote

Thanks for those.

Fuel contamination has not been a problem (perhaps because we're not moving the fuel about (ie all refuels are at airports).

We put those 'nasty' silver windscreen covers inside, to reflect as much heat as possible back out (and in any event keep the avionics/seats in the shade at least. Keeping the cockpit vents open (assuming no blowing sand/dust also helps keep the cockpit temps down.

Where are you?

Sam.
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PostPosted: Fri Nov 11, 2011 9:30 am    Post subject: Reply with quote

Yes, those silver heat shields are great albeit somewhat 'cheap and nasty'!

Interestingly, our fuel contamination problem first manifested itself by fuel drains leaking - there were no immediately obvious effects on the running of the engines, but upon draining the fuel cells the problem was discovered.

We operate in the Arabian peninsula.
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