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  Parts Common to all model's
Posted by: SkyFanDan - 12-30-2019, 09:11 PM - Forum: General Discussion - Replies (1)

Are the main part assemblies like rotor head, swash plate, pulley's and gear box's - common to all mosquito models (from the AIR on)?  And are these CNC machined and readily available?

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  Production numbers
Posted by: SkyFanDan - 12-27-2019, 07:58 PM - Forum: General Discussion - Replies (5)

I recently acquired a Mosquito Air.  Now discontinued - does anyone know how many were produced as fully assembled AND/OR #of kits sold?

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  Fuel pump vs gravity fed?
Posted by: SkyFanDan - 12-27-2019, 07:48 PM - Forum: Fuel and Engine - Replies (7)

After wanting an ultralight helicopter for decades I've gotten a Mosquito Air with a Rotec 503 / dual Bing 54's.  Question... I've seen videos & pics of BOTH pump (and gravity) feeding fuel to the carbs. And I've seen gravity ALONE feeding fuel to the carbs.  Whats the latest on this? Is there a relationship to this choice and the "notorious" Rotec engine stoppage I've heard about??

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  Engine “oil leak” - 285
Posted by: Dar_aar - 12-25-2019, 01:45 AM - Forum: Fuel and Engine - Replies (8)

I noticed that oil seems to be leaking between the cylinder head and the block.  Bottom cylinder, port side.  It is not a big leak and the oil seems to have been thru the combustion process as it is dark.  At first it looked more like an exhaust leak (black - discolored soot on the case at the split between the head and the block) but then there was enough (over several hours) to run down to the bottom of the cylinder and “pool”.

I checked the nut/bolt tightness of all the ones that were associated with this area /  issue, cleaned up the area, ran the engine and it reappeared.

Suggestions?  Is this a big concern?  Do I need to pull the cylinder and replace a gasket?  Is there a gasket here or just metal to metal?


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  FAA redacted 64 mph level flight max speed for ultralight airvehicle helicopters?
Posted by: nimblebee - 12-24-2019, 04:56 PM - Forum: Performance - Replies (5)

I ran into a reference online that the mosquito XEL helicopter was a FAR part 103 legal helicopter.   My search led me to Composite-Fx forum for answers.

What puzzled me, was FAR 103 specifications for the ultralight air vehicle category has maximum speed in level flight of 64 miles per hour, yet in specifications for the mosquito XEL helicopter, it says maximum speed 70 miles per hour.

This is a variation of only six miles per hour, but still exceeds maximum set by FAR 103.

This begs the question: did the FAA wave 64 mph maximum speed requirement for ultralight helicopters?

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  Hover - Pedal force
Posted by: Eblezien - 12-20-2019, 09:50 PM - Forum: General Discussion - Replies (6)

Can anyone confirm or provide input as to the required left pedal force (not deflection) required for an IGE hover?  I'm used to an R22 where the pedals feel light and pretty easy to push.  In the xe285, during a hover, I need constant left pedal pressure/force... To the point were my left leg starts to get a bit fatigued.  Are your mosi's like this too?  I have plenty of control authority, it's just the constant push that's required to keep the nose straight.  Looking forward to your input.

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  More real info about AG-Striker anybody?
Posted by: Alexander Lameko - 11-26-2019, 04:08 PM - Forum: General Discussion - Replies (2)

Hi, being new to the forum, I'd like to find more detailed info about this interesting UAV.
Is it possible to already purchase one? Are there any real videos of them flying? If yes - where do they fly??
Are any of them operated by private companies?
Thank you,

I want at least 2 ea for evaluation purposes!

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  Completed XE285
Posted by: Eblezien - 11-11-2019, 08:13 PM - Forum: General Discussion - Replies (6)

Hi everyone,  #1334 is complete!  This picture is minutes after arrival at my home airport and her new home after one year of building!  MR blades are now on (not pictured) .  Looking forward to my airworthiness inspection and to begin ground runups and flight testing.  [Image: 5147_11_11_19_3_07_07.jpeg]

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  Darrell Jones 285 Build
Posted by: Darrell J Jones - 11-04-2019, 11:12 PM - Forum: General Discussion - Replies (9)

G'day all, after my long wait, lots of calls to Mark, paying the customs duty. I was able to pick up my boxes. I decided to drive the 1670 kms to Melbourne to pick up the big box, which just fitted into the back of my BT50. Melbourne from where I live is 3 days driving, taking it steady. The drive down was OK, getting from the outskirts to Mark's place is about 2.5 hrs, lots and lots of idiots down there. Finally arrived at Mark's place, cuppa tea, then off to the customs to finally get my hands on the boxes. After dealing with a power hungry clerk, we were allowed to inspect the boxes, both OK. Loaded up the larger one, the longer box I had freighted back to Qld. Returned Mark home, he loaded up my GPS with instructions how to get out of Melbourne, Then started on the 1670 km drive home. Arrived home 3 days later. The box was unloaded to enable me to get it off the back of my dual cab, then I put it all back inside and covered it with a tarp. Just at this time I almost have a single place gyrocopter finished, so I decided not to start on the Mosquito until the gyro is running, but with a Mosquito sitting in a big box outside your back door, the temptation was too great.

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  Stripped Heads for Spark Plugs
Posted by: jimwitkowski - 10-31-2019, 01:14 AM - Forum: Fuel and Engine - No Replies

        If you haven't stripped out your spark plug threads in the head of your MZ202 your lucky. Because of the head being aluminum it easily strips out if the spark plugs are over tightened. There was a video of an air that had a plug pop out while the helicopter was running on the ground. Had it been in the air it would of lost compression and come down. 

I am selling the "Time - Sert" tool for installing steel inserts into the head to eliminate the stripped threads. Don't let repeated replacement or removal of the spark plugs weaken the threads and have the spark plug come out while flying. Dwight or Mike Messex can explain why the time-sert tool for installing the steel inserts are important for the safety of the MZ202. 

The inserts are available on amazon. I don't remember what size I bought for the MZ202. They cost approx. $2.00-3.00 each on Amazon. Dwight or Mike M. can tell you which size is needed for your MZ202. 

The kit comes with the brochures for installation instructions and all insert sizes. 

I no longer own my Mosquito XE so I don't need the tool anymore. I am selling the tool for $40.00  It was used once, its still like new.

Contact me if interested. The best way is to text me, as I don't answer unknown phone number calls. I can be reached at 414-610-1777


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