Hi MPF! We are looking for a Moderator / Content Creator
viewtopic.php?f=9&t=249

Search found 48 matches

by davevon
28 Jun 2018 20:42
Forum: Laser
Topic: LASER IAS
Replies: 2
Views: 2309

Re: LASER IAS

From my work on Pitts I’ve fround the combination pitot static tubes don’t do well giving acturate indications. The culprit is the static source. With a Pitts you crack open the alternate static source and the indicated speed comes really close to what it should do. On the Laser’s pitot static tube ...
by davevon
28 Jun 2018 20:25
Forum: Laser
Topic: Whirlwind propeller shake
Replies: 15
Views: 8637

Re: Whirlwind propeller shake

I went through all this with my Laser with a Whirlwind 200AC prop too. Smoother at high rpm and irritating at 2350 rpm cruise. Cleaned and flow checked the injectors, dynamic compression tested, reclocked the prop to match TDC of #1, couldn’t find anything. Switched from new Aircraft Spruce bushings...
by davevon
18 Jul 2017 15:54
Forum: Laser
Topic: Repairs, Upgrades and things to look for.
Replies: 71
Views: 25621

Re: Repairs, Upgrades and things to look for.

How much weight do you think you'll save?

Dave
by davevon
02 Jun 2017 11:37
Forum: Laser
Topic: Repairs, Upgrades and things to look for.
Replies: 71
Views: 25621

Re: Repairs, Upgrades and things to look for.

Interesting. I have the smaller and lighter "Lamb" tires and smaller wheel pants. I also have the very light lithium iron battery. With that I have the B&C 8 amp alternator, the Sky Dynamics magnesium flywheel and the Skytec featherweight starter. I'm using a lightweight plastic industrial caster fo...
by davevon
01 Jun 2017 09:54
Forum: Laser
Topic: Repairs, Upgrades and things to look for.
Replies: 71
Views: 25621

Re: Repairs, Upgrades and things to look for.

Wow! That's pretty light with a C/S prop. Do you have a starter and electrical system? Was that with the wheel pants and everything?

Dave
by davevon
16 May 2017 08:57
Forum: Laser
Topic: Repairs, Upgrades and things to look for.
Replies: 71
Views: 25621

Re: Repairs, Upgrades and things to look for.

It looks great!

Any performance numbers yet?

What did the empty weight turn out to be?

Dave
by davevon
12 May 2017 08:42
Forum: Laser
Topic: Repairs, Upgrades and things to look for.
Replies: 71
Views: 25621

Re: Repairs, Upgrades and things to look for.

Are you using the stock hinge to spar attachment? Are you able to see the front of rear spar and it's integrity with the wing? It looks good, but... The longer hinge adds a significant twisting force to the rear spar. From what Tom Edwards has told me about the conversions he's done I would keep a c...
by davevon
08 Apr 2017 11:07
Forum: Laser
Topic: Repairs, Upgrades and things to look for.
Replies: 71
Views: 25621

Re: Repairs, Upgrades and things to look for.

Do you have any pictures of the ailerons off the wing? Closeups of the aileron hinges?

Thanks,
Dave
by davevon
27 Feb 2017 09:34
Forum: Laser
Topic: Repairs, Upgrades and things to look for.
Replies: 71
Views: 25621

Re: Repairs, Upgrades and things to look for.

It's looking great!

Dave
by davevon
21 Jan 2017 16:41
Forum: Laser
Topic: Repairs, Upgrades and things to look for.
Replies: 71
Views: 25621

Re: Repairs, Upgrades and things to look for.

If you look inside Len's Laser the picture I posted should look familiar :-)

Dave