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Front Landing Gear Issues/Question (Tricycle Gear) Pulsar X

 
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paqs345(at)gmail.com
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PostPosted: Thu Jan 31, 2013 7:44 am    Post subject: Front Landing Gear Issues/Question (Tricycle Gear) Pulsar X Reply with quote
I converted my Pulsar XP from nose gear to tailwheel a long time ago.
Ground handling is much improved. I designed my own installation, and
it was quite involved because you have to cut the belly open to remove
the main gear and build new supports and cut the belly again further
forward to install the main gear.

I love the taildragger.

Sonja

On 1/30/13, triumphrider <investmentsalesconsultant(at)gmail.com> wrote:
Quote:

<investmentsalesconsultant(at)gmail.com>

I love the Pulsar XP. But, the tricycle landing gear is the weak link for my
aircraft. I want to solve some safety concerns.

I have replaced a cracked castering nose wheel fork in the first 10 hrs of
ownership. Now, while checking the front wheel tension, it appears that the
fork hardware is loose at the engine mount where the shock/spring is mounted
inside the cowling. When I wiggle front and back, it has a couple of inches
of play. That explains the shaking on the last scary landing. The wheel
tension is at 10 lbs, so it's not wheel shimmy.

A month ago, I actually lost one of the two Allan bolts on the wheel fork
onto the runway (found by the FBO car) and I the wheel locked up and I
couldn't clear the runway with an aircraft tight behind me on short final! I
had to roll the aircraft off the runway pushing down on the tail to lift the
front wheel off the ground and get FBO assistance in towing it to the ramp.
My mistake for not rechecking the tightness of the front wheel bolts during
preflight. The mechanic used no lock-tite on the install of the new wheel
fork and I think didn't tighten fully for fear of cracking the wheel pant.

Why was this wheel pant design used?

Questions for the Pulsar XP Owners:

How does one access this to address this repair-Does it require an engine
removal?

Can someone give me an idea for a replacement shock spring? I was told a
500-lb mountain bike shock (unloaded) could be modified to work. Any
suggestions?

Is there a better set up for the front wheel than two Allan screws that
screw into the wheel rim? Surely, there is a solid axle option-perhaps, on
the larger front wheel option?

Can a modification from Tricycle Gear to Tailwheel Gear transformation be
done on a completed aircraft? If so, how difficult is it? Has anyone done
it? Sure seems like it would solve my problems and concerns of an off runway
excursion someday.

I'm mostly on smooth, long paved runways. But, a recent mechanic find has
the shop on a grass runway (Indiantown, FL).

Should I just buy the KitFox updated front landing gear (Same unit used in
the KitFox Super Sport with larger diameter nose gear, HD fork and rubber
shock set up)? It's pretty rich at $1500 before installation.

The A/C, built in 1997 has 860 TT, a 912 UL 80 hp and I've put about 30 Hrs
on in the past three months since purchase. I had an 2005 Cessna Skylane
before this, so huge change.

Bring ideas, criticisms, etc.

Thanks!

D.Phillips


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http://forums.matronics.com/viewtopic.php?p=393339#393339



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lwheat2083(at)gmail.com
Guest
PostPosted: Thu Jan 31, 2013 8:52 am    Post subject: Front Landing Gear Issues/Question (Tricycle Gear) Pulsar X Reply with quote
The wheel tension should be at 27lbs. I had the shimmy problem until I readjusted my bellville washers on the nose wheel. Cheers, Larry N852LW

On Wed, Jan 30, 2013 at 7:37 PM, triumphrider <investmentsalesconsultant(at)gmail.com (investmentsalesconsultant(at)gmail.com)> wrote:
Quote:
--> Pulsar-List message posted by: "triumphrider" <investmentsalesconsultant(at)gmail.com (investmentsalesconsultant(at)gmail.com)>

I love the Pulsar XP. But, the tricycle landing gear is the weak link for my aircraft. I want to solve some safety concerns.

I have replaced a cracked castering nose wheel fork in the first 10 hrs of ownership. Now, while checking the front wheel tension, it appears that the fork hardware is loose at the engine mount where the shock/spring is mounted inside the cowling. When I wiggle front and back, it has a couple of inches of play. That explains the shaking on the last scary landing. The wheel tension is at 10 lbs, so it's not wheel shimmy.

A month ago, I actually lost one of the two Allan bolts on the wheel fork onto the runway (found by the FBO car) and I the wheel locked up and I couldn't clear the runway with an aircraft tight behind me on short final! I had to roll the aircraft off the runway pushing down on the tail to lift the front wheel off the ground and get FBO assistance in towing it to the ramp. My mistake for not rechecking the tightness of the front wheel bolts during preflight. The mechanic used no lock-tite on the install of the new wheel fork and I think didn't tighten fully for fear of cracking the wheel pant.

Why was this wheel pant design used?

Questions for the Pulsar XP Owners:

How does one access this to address this repair-Does it require an engine removal?

Can someone give me an idea for a replacement shock spring? I was told a 500-lb mountain bike shock (unloaded) could be modified to work. Any suggestions?

Is there a better set up for the front wheel than two Allan screws that screw into the wheel rim? Surely, there is a solid axle option-perhaps, on the larger front wheel option?

Can a modification from Tricycle Gear to Tailwheel Gear transformation be done on a completed aircraft? If so, how difficult is it? Has anyone done it? Sure seems like it would solve my problems and concerns of an off runway excursion someday.

I'm mostly on smooth, long paved runways. But, a recent mechanic find has the shop on a grass runway (Indiantown, FL).

Should I just buy the KitFox updated front landing gear (Same unit used in the KitFox Super Sport with larger diameter nose gear, HD fork and rubber shock set up)? It's pretty rich at $1500 before installation.

The A/C, built in 1997 has 860 TT, a 912 UL 80 hp and I've put about 30 Hrs on in the past three months since purchase. I had an 2005 Cessna Skylane before this, so huge change.

Bring ideas, criticisms, etc.

Thanks!

D.Phillips




Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=393339#393339







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