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Search: Posts Made By: bobnoffs
Forum: Traditional Aircraft Engines Today, 05:09 AM
Replies: 3
Views: 134
Posted By bobnoffs
there is definitely corrosion with only water...

there is definitely corrosion with only water vapor. i thought i read on this site it is in the 60's relative humidity. i brought up the exact question to a well known engine heater mfgr. at osh. he...
Forum: Alternative Engines 04-08-2019, 05:24 AM
Replies: 352
Views: 42,853
Posted By bobnoffs
i made a welded 26 gallon tank for my 12 and i...

i made a welded 26 gallon tank for my 12 and i made the bends for the flanges and short bends. for .062'' 5052 the book says 3/16'' radius [i think]. i took 3/16'' steel bar stock 11/2'' wide and...
Forum: RV General Discussion/News 03-23-2019, 11:04 AM
Replies: 2
Views: 377
Posted By bobnoffs
after gawking at this for an hour i cut the...

after gawking at this for an hour i cut the spring with a dremel and a fine abrasive wheel. it was a no brainer. cuts took about 10 seconds each. i cut the spring 4 times and it has about 1/8'' of...
Forum: RV General Discussion/News 03-22-2019, 02:57 PM
Replies: 2
Views: 377
Posted By bobnoffs
camlocs

hi all,
i need a camloc with a weaker spring so i don't distort the piece of airplane the cam is mounted on. if i go to a longer shaft then the shaft does not fit properly when locked.
anyone had...
Forum: RV General Discussion/News 03-22-2019, 11:23 AM
Replies: 154
Views: 8,981
Posted By bobnoffs
yesterday a fellow builder stopped by to see how...

yesterday a fellow builder stopped by to see how i was progressing and i was honored by a visit from his friend john. john is 95 and was a p-38 pilot in the pacific. john said ''i always loved to fly...
Forum: Safety 03-19-2019, 07:22 AM
Replies: 34
Views: 3,308
Posted By bobnoffs
no crackers.

no crackers.
Forum: RV General Discussion/News 03-14-2019, 02:59 PM
Replies: 45
Views: 3,874
Posted By bobnoffs
it will make you feel better if you compare that...

it will make you feel better if you compare that shipping to your time and gas running around chasing parts.
Forum: RV General Discussion/News 03-04-2019, 06:16 AM
Replies: 1
Views: 473
Posted By bobnoffs
diodes

hi all,
i am putting diodes on a couple relays in my ovm set up . anyone have an ''elegant'' [at least not clunky] method to install them? i am thinking about a female faston connector with an extra...
Forum: RV Ongoing Maintenance Issues 02-22-2019, 06:04 AM
Replies: 4
Views: 575
Posted By bobnoffs
probably you could spend 20 times more from an...

probably you could spend 20 times more from an aircraft supply but i would/have used appropiately sized ''washers'' on both sides of wall with a nut and bolt to secure it.maybe sandwich proseal to...
Forum: Glass Cockpit 02-17-2019, 06:32 AM
Replies: 8
Views: 824
Posted By bobnoffs
i have a sheet metal break from h.f. and a supply...

i have a sheet metal break from h.f. and a supply of sheet alum. when i need an angle like this i will make it , usually out of .032. a little practice and you can put a nice radius on the bend....
Forum: RV General Discussion/News 02-16-2019, 09:34 AM
Replies: 4
Views: 525
Posted By bobnoffs
well.........i guess finding out how to post pics...

well.........i guess finding out how to post pics wasn't as easy as i had thought it would be so i went out to the shop to at least get the pics of my installation to post . when my digital camera...
Forum: RV General Discussion/News 02-15-2019, 05:34 PM
Replies: 4
Views: 525
Posted By bobnoffs
i guess if i can build a plane i can figure out...

i guess if i can build a plane i can figure out how to post a pic.
Forum: RV General Discussion/News 02-15-2019, 10:06 AM
Replies: 4
Views: 525
Posted By bobnoffs
gas line plumbing

hi all,
i have plumbed 2 planes and never run into a problem with my judgement. in my mind what i am going to describe is fine in my application but i am always afraid i don't know what i don't...
Forum: RV-7/7A 02-12-2019, 08:02 AM
Replies: 24
Views: 2,727
Posted By bobnoffs
with my pneumatic squeezer i have noticed that...

with my pneumatic squeezer i have noticed that setting the rivet with the face of the die perfectly square to the shop end of the rivet does not make as nice a finished rivet as slightly moving the...
Forum: RV General Discussion/News 02-07-2019, 07:15 AM
Replies: 15
Views: 1,184
Posted By bobnoffs
the casters were handy but the real pain is...

the casters were handy but the real pain is always filling up the drum. if it stays on the trailer it's a breeze. gravity was a thought but you get back to a relative ''ton of work'' [dinking...
Forum: RV General Discussion/News 02-07-2019, 05:47 AM
Replies: 15
Views: 1,184
Posted By bobnoffs
and now the rest of the story............. i have...

and now the rest of the story............. i have always kept my 55 gal drum on wheels in the hangar as i would much rather top off tanks under a roof that in who knows what at the pump. the 5 gal...
Forum: RV General Discussion/News 02-06-2019, 03:41 PM
Replies: 15
Views: 1,184
Posted By bobnoffs
fuel storage

this has been brought up many times before and i only want to ask a question ,not start a debate about regs., etc. currently i am using an auto fuel pump to pull fuel from a 55 gal drum. i have a...
Forum: Alternative Engines 01-28-2019, 06:55 AM
Replies: 352
Views: 42,853
Posted By bobnoffs
well, i for at least one, am sitting on the edge...

well, i for at least one, am sitting on the edge of my chair to hear the reason the rubber puck was cut by viking.
Forum: RV Building Tips/Techniques 01-22-2019, 06:00 AM
Replies: 46
Views: 6,270
Posted By bobnoffs
before nordlock washers jabiru required that the...

before nordlock washers jabiru required that the flywheel attach bolts be removed, cleaned and retorqued with thread locker. now the approved method of securing those bolts is with nordlock washers.
...
Forum: Glass Cockpit 01-06-2019, 06:45 AM
Replies: 66
Views: 7,832
Posted By bobnoffs
it has been suggesterd putting the usb under the...

it has been suggesterd putting the usb under the panel. I thought about that on mine but in the end it is upper right on my panel. I reasoned that if I used it in flight it might be because I was...
Forum: RV-14 01-03-2019, 05:00 AM
Replies: 24
Views: 2,972
Posted By bobnoffs
what rv7charlie said.elect. dept at any hdwe ...

what rv7charlie said.elect. dept at any hdwe has connectors to fit a junction box which are perfect for a pass thru.
I had a couple in my last airplane's firewall.someone commented they are a pot...
Forum: RV General Discussion/News 12-22-2018, 05:22 AM
Replies: 39
Views: 3,036
Posted By bobnoffs
waiting for the new wall furnace. i don't like...

waiting for the new wall furnace. i don't like using the nonvented gas heater any more than supplemental because it really raises the humidity. and everyone knows how electric heaters spin the...
Forum: RV General Discussion/News 12-21-2018, 04:41 AM
Replies: 9
Views: 735
Posted By bobnoffs
i guess in the whole scheme of things proseal...

i guess in the whole scheme of things proseal wouldn't be such a big deal. i am going to pull the cover at least once before an annual and then every year after that. still have a few months before i...
Forum: RV General Discussion/News 12-20-2018, 05:37 PM
Replies: 9
Views: 735
Posted By bobnoffs
yep, i don't know what to make of all this. ease...

yep,
i don't know what to make of all this. ease of access plate removal is what keeps me from using proseal.
Forum: RV General Discussion/News 12-20-2018, 10:59 AM
Replies: 9
Views: 735
Posted By bobnoffs
gasket sealers

well, that was interesting. still poking around for a sealer on an inspection cover on my fuel tank. i called permatex and asked about this. answer was ''no, we do not make a gasket sealer that is...
Forum: Glass Cockpit 12-20-2018, 06:31 AM
Replies: 16
Views: 1,426
Posted By bobnoffs
for me the hardest part of using these tools is...

for me the hardest part of using these tools is the relearning curve. they work when you get the hang of them.then you are done and by the time you need it again, you have forgotten ''the hang of it''
Forum: RV-14 12-06-2018, 05:12 AM
Replies: 24
Views: 2,696
Posted By bobnoffs
i have used a wedge on a different type of plane...

i have used a wedge on a different type of plane to trim it and i put the wedge over an underlying structural part of the aileron. it is exerting force.
Forum: RV-12/RV-12iS 11-25-2018, 11:05 AM
Replies: 3
Views: 671
Posted By bobnoffs
the options d sub is 12/13 left and right and e/f...

the options d sub is 12/13 left and right and e/f up and down on the schematic.
Forum: RV General Discussion/News 11-13-2018, 06:34 AM
Replies: 21
Views: 1,815
Posted By bobnoffs
i've run into this with my builds a lot and in...

i've run into this with my builds a lot and in the end i tell myself''quit dinking around and use the rat tale files and be done''. in the end the file will be the quickest . with any power tool you...
Forum: RV Building Tips/Techniques 11-05-2018, 05:25 AM
Replies: 10
Views: 1,368
Posted By bobnoffs
i used a screen out of a kitchen faucet but they...

i used a screen out of a kitchen faucet but they are becoming hard to find.a ''head shop'' has perfect screens for about a dime a piece.
Forum: RV General Discussion/News 10-23-2018, 06:23 PM
Replies: 7
Views: 790
Posted By bobnoffs
yep, when i read the description on acs i thought...

yep, when i read the description on acs i thought ''diameter'' meant the hole. reading it again it logically would be describing the rivet.
Forum: RV General Discussion/News 10-22-2018, 06:28 AM
Replies: 7
Views: 790
Posted By bobnoffs
ok, got it. thanks.

ok, got it. thanks.
Forum: RV General Discussion/News 10-21-2018, 11:53 AM
Replies: 7
Views: 790
Posted By bobnoffs
sizing cherrymax

i see an oversize 1/8'' cherrymax uses a .140 hole. i don't see a drill made .140?
Forum: RV-12/RV-12iS 10-16-2018, 01:36 PM
Replies: 14
Views: 1,994
Posted By bobnoffs
fwiw i recently cleaned year old permatex #2...

fwiw i recently cleaned year old permatex #2 gasket sealer [non hardening] off of the tube using gasoline as the solvent.
Forum: RV Ongoing Maintenance Issues 10-11-2018, 02:00 PM
Replies: 24
Views: 3,303
Posted By bobnoffs
same shop for both checks?

same shop for both checks?
Forum: RV General Discussion/News 10-09-2018, 02:43 AM
Replies: 4
Views: 727
Posted By bobnoffs
thanks guys.

thanks guys.
Forum: RV General Discussion/News 10-07-2018, 05:41 AM
Replies: 4
Views: 727
Posted By bobnoffs
remote cell switch

hi all,
i have been using a switch i built for many years and it works for me. kind of old technology using a photo cell to respond to a cell phone lighting up. i have a friend who wants a remote to...
Forum: Safety 09-24-2018, 06:16 AM
Replies: 224
Views: 30,330
Posted By bobnoffs
i will also take dumb luck any time. probably a...

i will also take dumb luck any time.
probably a good idea to not have any more weight hanging from the key than necessary.
Forum: RV General Discussion/News 09-20-2018, 12:34 PM
Replies: 9
Views: 895
Posted By bobnoffs
one last poke at permatex #85420 gasket dressing...

one last poke at permatex #85420 gasket dressing and sealant and i am done.
i thought maybe i hadn't let the product ''cure'' enough before i put the pieces together so i put a glob on a piece of...
Forum: RV General Discussion/News 09-19-2018, 03:47 PM
Replies: 9
Views: 895
Posted By bobnoffs
i think i am going with the product from sky...

i think i am going with the product from sky geek. getting the plate off easily is important to me and the sky geek stuff falls between gel shoe insoles and rubber bands on the ''hardness chart''...
Forum: RV General Discussion/News 09-17-2018, 03:55 PM
Replies: 9
Views: 895
Posted By bobnoffs
fuel tank inspection plate sealant

hi all,
i have built a tank for my 12 and i have the inspection plate op the top surface. it was recommended to me that permashield #85420 would provide a fuelproof seal and be easily removeable....
Forum: GPS 09-10-2018, 07:47 PM
Replies: 11
Views: 1,347
Posted By bobnoffs
so the display is reading''.......and 7 seconds....

so the display is reading''.......and 7 seconds. as you move you get closer to ''8 seconds''. my question is when does a garmin display change from ''7 seconds'' to ''8 seconds''?

all this ...
Forum: GPS 09-10-2018, 09:54 AM
Replies: 11
Views: 1,347
Posted By bobnoffs
gps accuracy

this is mostly an academic question., specifically for garmin.
when a gps changes a number in its location, say a latitude ... deg, min., sec. how is the gps programmed to do so? halfway between...
Forum: Electrical Systems 09-05-2018, 07:22 PM
Replies: 6
Views: 778
Posted By bobnoffs
i think that it tells the transponder to power up...

i think that it tells the transponder to power up every time the master is turned on vs. waiting for the on button on the transponder to be pushed.
Forum: RV-10 09-05-2018, 05:21 AM
Replies: 7
Views: 1,757
Posted By bobnoffs
you have too much spare time. you need a hobby.

you have too much spare time. you need a hobby.
Forum: Electrical Systems 09-03-2018, 04:08 PM
Replies: 16
Views: 2,065
Posted By bobnoffs
carl,you don't think that the solenoid is the...

carl,you don't think that the solenoid is the major single point failure concern. there is a post with 3 of these failures on one pilot. what do you know of that is likely to fail more than 3 times...
Forum: Safety 09-02-2018, 08:21 AM
Replies: 32
Views: 4,527
Posted By bobnoffs
after all of this is said it comes down to how...

after all of this is said it comes down to how YOU take all this.when i was in my 30's i would regularly take my wife and 2 kids in my warrior to our up north cabin.
now i have grand kids and i...
Forum: RV General Discussion/News 08-28-2018, 08:10 AM
Replies: 21
Views: 4,787
Posted By bobnoffs
funny you should say that. the carrier i have ...

funny you should say that. the carrier i have for my build in progress quoted a cheaper rate than the carrier who was already insuring the plane i was flying.
like i said you gotta check.
Forum: RV General Discussion/News 08-28-2018, 04:14 AM
Replies: 21
Views: 4,787
Posted By bobnoffs
it's your job to check on your agent. in the past...

it's your job to check on your agent. in the past several years i have had 2 very reputable agents according to comments from this site but rates have varied by over $200 from one to the other from...
Forum: RV General Discussion/News 08-27-2018, 04:18 PM
Replies: 21
Views: 4,787
Posted By bobnoffs
shop around at least every couple years.

shop around at least every couple years.
Forum: RV Ongoing Maintenance Issues 08-22-2018, 04:50 AM
Replies: 53
Views: 10,365
Posted By bobnoffs
scuba shops sell pure silicone grease to be put...

scuba shops sell pure silicone grease to be put on o rings.so i am sure you can find it online.fuel doesn't dissolve it.
Forum: RV-12/RV-12iS 08-17-2018, 10:32 AM
Replies: 12
Views: 2,120
Posted By bobnoffs
from the beginning i planned my own panel so...

from the beginning i planned my own panel so van's panel pieces worked perfect as ''templates''.
i am 99% sure i still have the 3 pieces.i would send them to you for the postage and would want them...
Forum: RV-12/RV-12iS 08-09-2018, 04:28 PM
Replies: 3
Views: 1,139
Posted By bobnoffs
elt location

hi all,
all that's needed to finish my wiring is mounting the elt. i have made my own fuel tank so i am interested in alternate places to mount it. 27 gallons doesn't leave room. any info on...
Forum: RV General Discussion/News 08-08-2018, 05:36 AM
Replies: 12
Views: 1,466
Posted By bobnoffs
taking sam's advice from an earlier post of mine...

taking sam's advice from an earlier post of mine about the same thing i just picked up the plastic fittings. less than $2 a pop . my local hdwe carries the tubing on a roll, pay by the foot.
i do...
Forum: RV General Discussion/News 08-04-2018, 05:47 AM
Replies: 61
Views: 6,793
Posted By bobnoffs
seems that i remember from the 60's when i got a...

seems that i remember from the 60's when i got a diver's card that using compressed air that wasn't delivered by a pump for air meant to be breathed could be dangerous because the wrong type of pump...
Forum: RV General Discussion/News 08-04-2018, 01:40 AM
Replies: 5
Views: 626
Posted By bobnoffs
no other comments on experience so i will follow...

no other comments on experience so i will follow mel's advice. thanks mel
Forum: Tools 08-03-2018, 01:55 PM
Replies: 16
Views: 2,382
Posted By bobnoffs
even the best gun will leave a marred rivet head...

even the best gun will leave a marred rivet head with a poorlt surfaced, sized, shaped mandrel.
i took a 1/4'' bolt with coarse threads and dressed the head and drilled the proper hole size for the...
Forum: RV General Discussion/News 08-03-2018, 01:44 PM
Replies: 5
Views: 626
Posted By bobnoffs
static line

hi all,
anyone found inaccuracies in airspeed etc. by just putting a filter on the static port of an instrument and let it sample air from the avionics bay?
i am a vfr only pilot. seems like less...
Forum: Safety 07-31-2018, 05:24 PM
Replies: 171
Views: 18,878
Posted By bobnoffs
seems like the ultimate bottleneck is how many...

seems like the ultimate bottleneck is how many landings can be done. holding and procedure can be optimized but in the end i think landing capacity of the runways is a finite number and proper...
Forum: RV General Discussion/News 07-18-2018, 06:55 AM
Replies: 2
Views: 504
Posted By bobnoffs
are you looking for the spray on foam or...

are you looking for the spray on foam or conventional insulation?
Forum: RV Building Tips/Techniques 07-12-2018, 07:27 AM
Replies: 7
Views: 1,208
Posted By bobnoffs
checked out lowes/menards and they have them but...

checked out lowes/menards and they have them but a trip to them takes most of the day for me. found many sites on the web. cheap and lightweight. thanks guys.
Forum: RV Building Tips/Techniques 07-08-2018, 08:11 AM
Replies: 7
Views: 1,208
Posted By bobnoffs
pitot/static lines

hi all,
i have the 1/4'' o.d. poly lines for the lines and i also have metal fittings, 1/8npt to attach to the instruments. i would like so use the nylon 1/8'' dia. barbed type fittings in some...
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