[rebel-builders] Joined the club at last

[Jesse Jenks]

Way to go Ken!
Can we see some more pics when you get a chance? Since you have made a
successfull subie installation that seems to run great, was it worth the
extra work, and would you do it again?
I'm still in the "doesn't have an engine yet" category.
Anyway, good job for taking the unpaved path and coming out looking good.
Jesse

From: Ken <klehman@albedo.net>
Reply-To: <rebel-builders@dcsol.com>
To: rebel-builders@dcsol.com
Subject: Re: [rebel-builders] Joined the club at last
Date: Sun, 09 Jul 2006 16:03:52 -0400

Thank you everyone.

I have now decided that my landings are not getting better. The last one
was a 4 in 1 touchdown! Maybe it is time to try some wheel landings
since my 3 pointers are now also 3 bouncers ;(

I think I'm going to econo cruise at about 90 kts/103mph at 4400 to 4500
rpm based on what I saw this morning. That just happens to be at the
engines torque peak as well.
Bob J. -the EJ22 is 2.2 liters and 137 hp stock at 5400 rpm and I have
the Marcotte gear box with a 1.92 ratio. As has been said, the EJ25 is
probably preferable now and a higher gear ratio would also be
recommended if putting it on floats or if performance is more important
than economy. C of G is 9.06" at 1040 lb empty but that includes the
heavy wheels, steel die springs, and wing cuff, dual EFI, etc. I didn't
realize that 192R was going to be your own machine - that's great!.

I'll upload another pic and yes my ruler says that Brampton is within 25
miles!

Ken





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[Ken]

Too soon to be certain but yes I think I'd do it again Jesse. I am
pleased so far. Was it worth the extra work for the engine? Perhaps not
if you put a dollar value your time but just like building the airframe
-definately worth it for the educational value.

Ken

Jesse Jenks wrote:

Way to go Ken!
Can we see some more pics when you get a chance? Since you have made a
successfull subie installation that seems to run great, was it worth the
extra work, and would you do it again?
I'm still in the "doesn't have an engine yet" category.
Anyway, good job for taking the unpaved path and coming out looking good.
Jesse

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[Rebflyer]

Hi Ken,
Thought I pitch in a little to agree with Bobp. When I flew Ren Sagerts
for the first time I was very pleasantly surprised on how much easier it was to
land than 97MR. His CoG on wheels was near 12" where 97MR is 10.5. So
strap the tool bag in back near the rear and enjoy!
Good luck,
Curt N97MR




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[Drew Dalgleish]

At 04:51 PM 7/10/2006 EDT, you wrote:

Hi Ken,
Thought I pitch in a little to agree with Bobp. When I flew Ren Sagerts
for the first time I was very pleasantly surprised on how much easier it

was to

land than 97MR. His CoG on wheels was near 12" where 97MR is 10.5. So
strap the tool bag in back near the rear and enjoy!
Good luck,
Curt N97MR

Yeah I always make my best landings when my 90lb lab is in the back for a
ride.
Drew



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[Ken]

Finally got a couple of nice landings in this morning. Another 45 lb of
ballast probably helped more than I know. I never really felt that I had
much trouble getting the tail down but this is the first time it stayed
down after touching. The wind was also calm for a change which made it a
lot easier to keep from overcontrolling :)
thanks guys
Ken

Drew Dalgleish wrote:

At 04:51 PM 7/10/2006 EDT, you wrote:

Hi Ken,
Thought I pitch in a little to agree with Bobp. When I flew Ren Sagerts
for the first time I was very pleasantly surprised on how much easier it

was to

land than 97MR. His CoG on wheels was near 12" where 97MR is 10.5. So
strap the tool bag in back near the rear and enjoy!
Good luck,
Curt N97MR

Yeah I always make my best landings when my 90lb lab is in the back for a
ride.
Drew

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[Wayne G. O'Shea]

CONGATULATIONS Ken!!! A milestone for sure. Hope you enjoy it for many
years...after many years of building and tinkering to get her airborne!

Wayne

----- Original Message -----
From: "Ken" <klehman@albedo.net>
To: <rebel-builders@dcsol.com>
Sent: Saturday, July 08, 2006 11:42 PM
Subject: [rebel-builders] Joined the club at last

Well I posted a wee pic as proof last thursday and I din't want to make
a fuss but I guess I should fess up and admit that I finally got to the
end of the paper admin stuff and 119R (Rubber Rebel Ducky) has 4.0 hours
on her as of this evening.

It flies nicely hands off and climbs at about 800 fpm with the EJ22 at a
weight of about 1400 lb.
With the 3 blade 72" Warp at about 12 degrees I'm getting about 4400
static rpm and 4800 in the climb. It tops out at about 110 knots at 5100
rpm at 3,000 asl with the 1.92:1 psru. I figure I'm making about 120 hp in
the climb like this so it is not working hard at all.

Stall starts about 42 K flapless or 40 with flap. I haven't calibrated the
IAS yet but the GPS seems to agree within about 5 knots of IAS. Rudder is
sensitive, light, and very effective throughout. With the offset vertical
stab it climbs in trim but the ball is out about a sixteenth inch or so at
low power cruise. I think with a passenger and normal cruise power it
might be back in the center. I've mostly just been tooling around at 3800
to 4000 rpm and about 75 knots while burning about 14 liters per hour (4
usgal) while I burn off time and break in the engine. (No need for a full
power break in on this one.) It seems to need a minimum of about 3200 rpm
to maintain altitude at about 60 knots.

Cooling has been amazing just like it was during ground testing. Water
temperature sits at 85 C all the time (thermostat) and I haven't even
opened the cowl flap beyond position 2 of 5. Occasionally it has peaked at
90 C after firewalling it but it quicky comes right back down. Warmest OAT
was 27 C so far. Peak oil temp has been 107 C in a climb. In cruise it
sits about 95 C. It has a oil to water heat exhanger which also gets the
oil up to temp within about 10 minutes of startup.

I'm gradually learning how to land the thing (thanks again Bobp) but it
can't be stalled on as it takes a much higher nose up than a 3 point
attitude to stall it. It does have Angus's Mackenzie STOL leading edge.
Even with the moved firewall and 30 degrees of up elevator it was inded a
good suggestion to throw a bit of ballast in the baggage area, especially
when the fuel gets down to about 1/3.

It seems that it is the quietest plane on the field. I'm starting to relax
now and really enjoy it. I should probably try to improve the compass
swing accuracy but no snags and nothing to do but fly it for the time
being :)

An observer reported that my two leaf steel tailsping was flexing about 3"
during my bouncing this evening so it might be a touch on the soft side
but it seems like a good match to MAM's tailwheel to me. No shimmy and the
kickout is working perfectly.

Ken







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