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Search: Posts Made By: bobnoffs
Forum: RV General Discussion/News 10-03-2022, 06:28 AM
Replies: 0
Views: 301
Posted By bobnoffs
bellville washers

does anyone have any info on compression force for bellville washer for a #10 bolt. lots of formulas online but just a ballpark is all i need. thanks
Forum: Painting your RV 09-23-2022, 05:15 AM
Replies: 16
Views: 1,097
Posted By bobnoffs
whether it's just me or it actually works when i...

whether it's just me or it actually works when i use epoxy/micro mix if it is mixed really ''dry'' i put a few drops of uncut epoxy on a gloved finger and smear it on all surface to be bonded. i feel...
Forum: RV-14 09-20-2022, 03:17 PM
Replies: 19
Views: 1,449
Posted By bobnoffs
agreed. drilled holes were always followed by a...

agreed. drilled holes were always followed by a reamer.
Forum: RV-14 09-20-2022, 04:23 AM
Replies: 19
Views: 1,449
Posted By bobnoffs
getting out the air drill made me feel like i was...

getting out the air drill made me feel like i was really building an airplane but i never could figure out its advantage . maybe back in the day when elec. drills were big and heavy and short lived...
Forum: RV-12/RV-12iS 08-27-2022, 03:18 PM
Replies: 2
Views: 500
Posted By bobnoffs
calibrating fuel tank

has anyone put a level on their longerons at cruise in level flight? seems i remember to do it on the hangar floor [level longerons] the air had to be let out of the nose wheel a lot.
Forum: RV Building Tips/Techniques 08-20-2022, 04:43 AM
Replies: 20
Views: 2,646
Posted By bobnoffs
i am not familiar with the build of a tank but i...

i am not familiar with the build of a tank but i have flown 2 planes i have built so here goes.......is it possible to modify the part that attaches here? some wording about not enough edge distance...
Forum: RV Ongoing Maintenance Issues 08-07-2022, 11:51 PM
Replies: 23
Views: 4,780
Posted By bobnoffs
i have a 2 port usb plug in my panel from steins....

i have a 2 port usb plug in my panel from steins. you can pick up a bright little usb led for $1. can't miss that bright light if the master is on. i never take the light out of the spare port.
Forum: RV General Discussion/News 08-07-2022, 03:41 AM
Replies: 53
Views: 9,429
Posted By bobnoffs
being a good pic wouldn't necessarily save you....

being a good pic wouldn't necessarily save you. it is not logical to think it would. there are rules to follow and that's what you do.you didn't picture a chunk of concrete.
lets say this happened...
Forum: RV-12/RV-12iS 07-31-2022, 02:39 PM
Replies: 7
Views: 1,417
Posted By bobnoffs
koger shade

does anyone have any experience or opinions as to whether or not the larger screen is an improvement over the smaller one?
Forum: RV-12/RV-12iS 07-23-2022, 03:39 PM
Replies: 2
Views: 758
Posted By bobnoffs
i have done the recommended repair and the plane...

i have done the recommended repair and the plane is back together.
advice just learned the hard way.......only disconnect elec. trim at ast. otherwise you have lots of washers to get in place in...
Forum: RV-12/RV-12iS 07-19-2022, 12:25 PM
Replies: 2
Views: 758
Posted By bobnoffs
stabilator hinge

curious to as if anyone has found their hinge bearings move in their housing as is the subject of a service bulletin of 8/2016 or 2017. mine both have moved apparently from taxiing? there has never...
Forum: RV-12/RV-12iS 07-17-2022, 04:40 AM
Replies: 2
Views: 753
Posted By bobnoffs
flap handle

a few days ago i did the mod to the spring inside the flap handle so less pressure is required on the button to release the handle. i had just gotten done flying in another 12 for insurance...
Forum: Traditional Aircraft Engines 07-01-2022, 02:56 PM
Replies: 26
Views: 3,980
Posted By bobnoffs
what does the rebuilder say?

what does the rebuilder say?
Forum: RV General Discussion/News 06-28-2022, 07:40 PM
Replies: 2
bfr
Views: 631
Posted By bobnoffs
bfr

thought i posted this but i don't see it so here goes again.........can a sport pilot do a bfr with the instructer in cessna 152?
Forum: RV General Discussion/News 06-20-2022, 04:50 AM
Replies: 33
Views: 3,764
Posted By bobnoffs
be aware that with the water temps. most likely...

be aware that with the water temps. most likely that life jacket is only to save a body for the funeral.
Forum: RV-8/8A 06-08-2022, 04:15 AM
Replies: 22
Views: 2,932
Posted By bobnoffs
i have a large cardboard box from chewy.com that...

i have a large cardboard box from chewy.com that had a bag of dogfood shipped in it. i lay it on its side , slide it under the antenna and turn it upright. i did it more to protect the antenna from...
Forum: Traditional Aircraft Engines 05-27-2022, 05:54 AM
Replies: 33
Views: 3,751
Posted By bobnoffs
do they lie?

do they lie?
Forum: RV-12/RV-12iS 05-07-2022, 04:29 AM
Replies: 9
Views: 1,210
Posted By bobnoffs
Imagine a flotation device that had a reputation...

Imagine a flotation device that had a reputation for sinking. I don’t think you can even get them at Walmart.
Forum: RV General Discussion/News 05-07-2022, 04:18 AM
Replies: 15
Views: 1,356
Posted By bobnoffs
We kept a Log book in the plane. At the end of...

We kept a Log book in the plane. At the end of the month fuel and hours flown was totaled. Each pilot was charged a flat hourly rate and an hourly rate for fuel less any they put in “on the road”.
...
Forum: RV-12/RV-12iS 04-30-2022, 01:34 PM
Replies: 11
Views: 2,380
Posted By bobnoffs
kind of like some guys say about their...

kind of like some guys say about their towbar........if my hand isn't on it, it is not attached to the plane.
Forum: Electrical Systems 04-25-2022, 02:13 PM
Replies: 19
Views: 1,700
Posted By bobnoffs
i use a bench power which i run thru the...

i use a bench power which i run thru the ''cigarette plug''. after looking at power supplies long and hard i figured that the only thing that could come from an adjustable voltage source is that i...
Forum: RV-12/RV-12iS 04-23-2022, 05:53 AM
Replies: 11
Views: 2,380
Posted By bobnoffs
i did the cowl and cover plate a year ago and i...

i did the cowl and cover plate a year ago and i turned the wheel to keep the slot in the cowl as small as possible. probably it would all be a non issue with a 2 blade prop.
Forum: RV-12/RV-12iS 04-22-2022, 07:44 AM
Replies: 11
Views: 2,380
Posted By bobnoffs
i don't have a pic. just pop one of the stop...

i don't have a pic. just pop one of the stop bolts out of the nosegear and pivot fork so it is forward of the nosegear. when i was cutting the slot in the cowling for the nosegear i found i could get...
Forum: RV-12/RV-12iS 04-22-2022, 06:35 AM
Replies: 11
Views: 2,380
Posted By bobnoffs
lower cowling

anybody else remove one of the stops on the nosewheel and then turn nosewheel 180 deg. before slipping lower cowl into place. gives a lot more room.
Forum: RV-9/9A 04-22-2022, 05:55 AM
Replies: 36
Views: 11,917
Posted By bobnoffs
i think ''mogas'' is what is in the tank in the...

i think ''mogas'' is what is in the tank in the ground. it is 91 octane no lead for $3.99/gal at my airport now.
Forum: Tools 04-15-2022, 05:44 AM
Replies: 25
Views: 2,766
Posted By bobnoffs
a cold blue product like is used to refinish guns...

a cold blue product like is used to refinish guns would work. i also use a protectant called eezox on my guns. it seems to dry after application. cold blue wouldn't chip and i have never had a gun...
Forum: RV-12/RV-12iS 03-31-2022, 02:49 PM
Replies: 260
Views: 49,438
Posted By bobnoffs
well........i really didn't expect this to be a...

well........i really didn't expect this to be a debate on whether or not it was needed. true, engineers have been making tailcones for years.....and service bulletins too. and i have seen certified...
Forum: RV-12/RV-12iS 03-31-2022, 12:13 PM
Replies: 260
Views: 49,438
Posted By bobnoffs
a little extra weight yes, for my cg i would like...

a little extra weight yes, for my cg i would like that. i didn't mean instead of the sb, i meant in addition . if extra work was a factor i would have bought a flying airplane. and how can you be so...
Forum: RV-12/RV-12iS 03-31-2022, 11:19 AM
Replies: 260
Views: 49,438
Posted By bobnoffs
i have some fiberglass cloth that is made in a...

i have some fiberglass cloth that is made in a roll like tapes for covering cloth planes. maybe 11/4'' wide. i am thinking of covering a piece laid out flat on the bench with epoxy. after it cures i...
Forum: RV-12/RV-12iS 03-18-2022, 07:12 AM
Replies: 7
Views: 960
Posted By bobnoffs
i didn't put my skins on until the very end. i...

i didn't put my skins on until the very end. i was careful about moving fuselege around as i expected it wasn't as rigid without the skin. no comparison how much easier it made so many tasks. and...
Forum: RV-12/RV-12iS 03-04-2022, 08:59 AM
Replies: 260
Views: 49,438
Posted By bobnoffs
what is being done with the control cables? i...

what is being done with the control cables? i disconnected mine last year when i went in the tailcone. seemed like i would be putting a lot of strain on them. the noodle thing could be the answer...
Forum: RV-12/RV-12iS 03-02-2022, 09:26 AM
Replies: 260
Views: 49,438
Posted By bobnoffs
the previous post is of my last excursion into...

the previous post is of my last excursion into the tailcone. furniture pads, plywood and cardboard. my custom tank is easily removeable and the crossbrace behind the seats is also. maybe a little too...
Forum: RV-12/RV-12iS 03-02-2022, 09:24 AM
Replies: 260
Views: 49,438
Posted By bobnoffs
xxxxxxxxxxxxxx

xxxxxxxxxxxxxx
Forum: RV-12/RV-12iS 03-02-2022, 04:24 AM
Replies: 260
Views: 49,438
Posted By bobnoffs
walter, your bore cam really does a good job at...

walter, your bore cam really does a good job at this. some time when you have the borescope handy could you copy it's model # and post it ? thanks.
Forum: RV-12/RV-12iS 03-01-2022, 06:57 AM
Replies: 260
Views: 49,438
Posted By bobnoffs
yes, like the drawing.

yes, like the drawing.
Forum: RV-12/RV-12iS 02-28-2022, 05:35 PM
Replies: 260
Views: 49,438
Posted By bobnoffs
well, now it's over my head.

well, now it's over my head.
Forum: RV-12/RV-12iS 02-28-2022, 11:37 AM
Replies: 260
Views: 49,438
Posted By bobnoffs
yes, i have read this but i was under the...

yes, i have read this but i was under the impression that it was in reference to the outside doubler that was recommended if the skin was cracked. i am not suggesting a ''strap''. i am asking about...
Forum: RV-12/RV-12iS 02-28-2022, 07:23 AM
Replies: 260
Views: 49,438
Posted By bobnoffs
i guess i have to ask the question...if this...

i guess i have to ask the question...if this service bulletin is meant to make the skin stiffer, why can't an external stiffener be made to stiffen the skin? same foorprint as the s.b. on the skin,...
Forum: RV-12/RV-12iS 02-27-2022, 02:21 PM
Replies: 260
Views: 49,438
Posted By bobnoffs
i'd be thinking about nuts and bolts now. like...

i'd be thinking about nuts and bolts now. like an3. i would enlarge the holes by hand with a file until the bolt just fit. a right angle drill is a must if you don't already have one.
of course...
Forum: RV-12/RV-12iS 02-27-2022, 07:32 AM
Replies: 260
Views: 49,438
Posted By bobnoffs
fwiw, you all might want to consider some kind of...

fwiw, you all might want to consider some kind of inflatable something under the plywood.i have made literally 50 trips into the tailcone and i am not comfortable with the idea of the edges or...
Forum: RV-12/RV-12iS 02-23-2022, 08:33 AM
Replies: 260
Views: 49,438
Posted By bobnoffs
access is way easier with a removeable crosspiece...

access is way easier with a removeable crosspiece behind the seats.
Forum: Electrical Systems 02-22-2022, 04:20 AM
Replies: 24
Views: 2,459
Posted By bobnoffs
i did strips like wirejock said. a lot quicker...

i did strips like wirejock said. a lot quicker and works perfect.
Forum: RV-12/RV-12iS 02-19-2022, 11:09 AM
Replies: 260
Views: 49,438
Posted By bobnoffs
mike, i spent a week back there last fall, i am...

mike, i spent a week back there last fall, i am 70. lots of padding on the skin so the plywood kind of floats on the padding and doesn't really bear weight on the bulkheads. a led light for little...
Forum: RV-12/RV-12iS 02-19-2022, 05:05 AM
Replies: 260
Views: 49,438
Posted By bobnoffs
uh, upon closer inspection........

uh, upon closer inspection........
Forum: RV-12/RV-12iS 02-18-2022, 08:07 PM
Replies: 260
Views: 49,438
Posted By bobnoffs
i would like to know a lot more about the failure...

i would like to know a lot more about the failure and why the other bulkheads won't follow . from what i read so far i think i would use the gusset vans is supplying and use it for a model to make...
Forum: RV-12/RV-12iS 02-17-2022, 08:45 AM
Replies: 16
Views: 2,996
Posted By bobnoffs
maybe the fiberglass backing plate can give a...

maybe the fiberglass backing plate can give a little too?
Forum: RV General Discussion/News 02-17-2022, 08:05 AM
Replies: 23
Views: 2,111
Posted By bobnoffs
come to think of it maybe that's why the dig....

come to think of it maybe that's why the dig. level is so popular setting prop pitch. it's much easier to get to ''dead on'' than with a bubble in a protractor.
Forum: RV General Discussion/News 02-17-2022, 08:01 AM
Replies: 23
Views: 2,111
Posted By bobnoffs
for the record, .1 degree angle will open up...

for the record, .1 degree angle will open up .168'' over 8 feet. if the accuracy of the digital instrument is .1 degree.....you see where i am going with this. if you are off with a bubble at least...
Forum: RV General Discussion/News 02-16-2022, 08:15 AM
Replies: 23
Views: 2,111
Posted By bobnoffs
level doesn't really have any effect on building...

level doesn't really have any effect on building if you know what's going on. it's flat that counts.
stretch a small diameter line tight from one end to the other. i mean really tight. slip a dime...
Forum: RV-12/RV-12iS 02-13-2022, 05:57 AM
Replies: 25
Views: 3,802
Posted By bobnoffs
a heads up for panel screws...........torx work...

a heads up for panel screws...........torx work great but don't get sucked into using #6 allen head screws. sooner or later you will have a problem and will be sayin' ''if i get this screw out i...
Forum: Painting your RV 02-13-2022, 05:52 AM
Replies: 18
Views: 1,778
Posted By bobnoffs
for a hose try a pool or spa store. their hose...

for a hose try a pool or spa store. their hose might be too big diameter for the attachment to your mask but it will make the run from the machine almost to your face.
Forum: Electrical Systems 02-06-2022, 06:12 AM
Replies: 11
Views: 1,496
Posted By bobnoffs
it's been my experience that after securing...

it's been my experience that after securing something it takes 3 half hitches to make the knot slipproof. i don't even think about it anymore, just tie 3 half hitches.
Forum: RV-12/RV-12iS 02-04-2022, 07:23 AM
Replies: 37
Views: 5,398
Posted By bobnoffs
so here's the opposite.........my last build was...

so here's the opposite.........my last build was inspected by the faa. while he was there, he issued my repairman's cert. now, years later the same person inspected my 12 but he is now a dar so...
Forum: RV-12/RV-12iS 02-02-2022, 07:58 AM
Replies: 37
Views: 5,398
Posted By bobnoffs
i was told it is so that the examiner can see a...

i was told it is so that the examiner can see a pic id of the applicant , for whatever that is worth.
after seeing what a big deal it was turning into for travel etc. i just said '' pick a place...
Forum: RV-12/RV-12iS 02-02-2022, 05:49 AM
Replies: 37
Views: 5,398
Posted By bobnoffs
and then, after the inspection is done you have...

and then, after the inspection is done you have to track down an faa inspector for your repairman's cert. i was told a dar can't issue that.
Forum: RV-12/RV-12iS 02-01-2022, 05:12 AM
Replies: 37
Views: 5,398
Posted By bobnoffs
i live in n. wi. i paid $400 plus $80 travel.

i live in n. wi. i paid $400 plus $80 travel.
Forum: RV-12/RV-12iS 01-31-2022, 06:04 AM
Replies: 17
Views: 2,796
Posted By bobnoffs
fwiw i have used ''bulb flare'' fittings for...

fwiw i have used ''bulb flare'' fittings for hoses and found that i am able to remove the hose without damaging the hose. anyone have any insight about these fittings?
Forum: RV-12/RV-12iS 01-30-2022, 06:22 AM
Replies: 17
Views: 2,796
Posted By bobnoffs
when i built my hawk with a jabiru 3300 i...

when i built my hawk with a jabiru 3300 i installed a thermostat i bought from one of the auto parts houses. it was a ''shunt'' in the loop to the oil cooler. i used it for several years before a...
Forum: RV-12/RV-12iS 01-23-2022, 10:19 AM
Replies: 20
Views: 3,263
Posted By bobnoffs
the arrows are hollow but you are right they...

the arrows are hollow but you are right they probably won't work for a 12.
Forum: RV-12/RV-12iS 01-23-2022, 07:48 AM
Replies: 20
Views: 3,263
Posted By bobnoffs
maybe a little pricy but over and...

maybe a little pricy but over and done......arrows are made of carbon fiber these days.i've had one in my hangar 10 yrs marked for the last plane i built.
Forum: RV General Discussion/News 01-20-2022, 03:45 PM
Replies: 6
Views: 1,548
Posted By bobnoffs
yes, there are safe heaters out there. the...

yes, there are safe heaters out there. the generic milkhouse heater is not one of them that inspires my confidence. and i have seen a fairly new ''milkhouse heater'' that didn't even have a tip over...
Forum: RV General Discussion/News 01-20-2022, 12:09 PM
Replies: 6
Views: 1,548
Posted By bobnoffs
space heaters ....just sayin'

i was just downstairs in wife's sewing room. it has gas heat but she has always hung on to this small brand name milkhouse like heater. today she said she doesn't want it any more because it is...
Forum: RV General Discussion/News 01-17-2022, 06:37 AM
Replies: 6
Views: 1,498
Posted By bobnoffs
bill. thanks i will check it out. .078'' and...

bill. thanks i will check it out. .078'' and .612''.
Forum: RV General Discussion/News 01-16-2022, 01:13 PM
Replies: 6
Views: 1,498
Posted By bobnoffs
yes, i think they are available somewhere, i am...

yes, i think they are available somewhere, i am going to have to talk to someone at timken etc.
this is for an evinrude outboard. i am following another lead that the needles are still available...
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